Index to the US Patent Classification

Index to the US Patent Classification

What follows is part of the Index to the US Manual of Classifications for patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retreive patent titles by entering the class/subclass in the box below.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

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VACCINATION
  APPLIER ...........................604/46
     PACKAGED .......................206/367
  SHIELD ............................128/888
  VACCINE ...........................424/88+

VACCINE ............................. 424

VACUUM (SEE EVACUATING RECEPTACLES; SUCTION)
  AGITATING IN ......................366/134
  BOTTLE ............................215/12.1
     DESIGN .........................D07/608+
  BRACKET ATTACHING BY ..............248/205.5+
  BRACKET HOLDING ARTICLE BY ........248/309.3
  BRAKES ............................188
     DISTRIBUTION SYSTEM ............303
  BREAKING FOR BACKFLOW PREVENTION ..137/215+
  BULBS OR TUBES
     APPARATUS FOR GLASS BULB
       MANUFACTURE ..................65/270
     ARC LAMP ENCLOSED ..............313
     ELECTRIC DISCHARGE LAMP ........220/2.1R
     ELECTRON TUBE MANUFACTURE ......445
     ELECTRON TUBE STRUCTURE ........313
     EVACUATING .....................141/65
     INCANDESCENT LAMP ..............313/315+
     MANUFACTURE MISCELLANEOUS ......445
     PROCESS FOR GLASS BULB
       MANUFACTURE ..................65/34+
  CHUCK .............................279/3
  CLEANERS (SEE AIR, BLAST OR SUCTION15/300.1+
     CLEANING) ......................15/300.1+
     CLEANER ATTACHMENT .............D32/31+
     CONVERTIBLE ....................15/328+
     DESIGN OF MACHINE ..............D32/21+
     NOZZLES ........................15/415.1+
     PIPE JOINT .....................285/7
     STREET SWEEPER TYPE ............15/340.2
     WITH DIRT FILTER ...............15/347+
     WITH MECHANICAL AGITATOR FOR
       WORK .........................15/363+
  CLEANING METHODS ..................134/21
  COATING COMBINED ..................427/294
  DISTILLATION ......................203/73+
  DISTILLATION ......................203/91+
     MINERAL OIL ....................208/366
     MINERAL OIL RECTIFICATION ......208/357
     THERMOLYTIC ....................201/35
  EVAPORATORS CONCENTRATING .........159/22+
  FOOD PREPARATION APPARATUS ........99/472
  GAUGES ............................73/700+
     LIQUID LEVEL TESTING ...........73/303
  HOIST .............................294/64.1+
  HOLDDOWN ..........................248/362
  INSULATED CONDUCTORS ..............174/8+
  METAL TREATMENT
     AIR BLAST &/OR VACUUM CONVEYOR .29/DIG.78
     CASTING ........................164/61+
     METAL WORKING DIGEST ...........29/DIG.44
     PURIFYING ......................75
     VACCUUM EXHAUST TYPE ...........29/DIG.84
  MOTOR .............................91
     SYSTEMS ........................60/407+
  PUMPS .............................417
     DESIGN .........................D15/7+
     DREDGER COMBINED ...............37/324
  RECEPTACLE ........................220/420+
     X-ART COLLECTION ...............206/829*
  RECEPTOR FOR BODY DISCHARGES ......604/218+
  RECTIFIER FULL WAVE HIGH ..........313/306
  REFRIGERATION .....................62
     VAPOR DISCHARGED ...............62/268+
     VAPOR DISCHARGED, PROCESS ......62/100
  RESUSCITATION DEVICES .............128/30
  SKINNER FOR FRUIT .................99/584
  SUPPORT ...........................248/363
     ABRASIVE .......................51/362
  TUBE (SEE SPACE DISCHARGE DEVICE)
     KEYER ..........................328/193+
     KEYER IN TRANSMITTER ...........375/68+
     TESTER .........................D10/77
  WALL FOR RAILWAY FREIGHT CAR ......105/357
  WORK HOLDERS ......................269/21

VALANCES
  BED ...............................5/493
  CURTAIN ...........................D08/373+
  LAND VEHICLE TOP ..................296/135
  TRUNK .............................190/28

VALISES ............................. 206/278+

VALLEY ROOF GUTTER .................. 52/13+


VALVE SEE FAUCET .................... 251
  ACETYLENE GENERATOR ...............48/58
     CARBIDE FEED ...................48/38+
  ACTUATION .........................251
     ELECTRIC .......................251/129.1+
       DIGEST .......................261/DIG.74
     FLOOR CONTROLLED SPITTOON ......4/280
     GAS & LIQUID CONTACT APPARATUS .261/DIG.53
     GAS HEATED TOOL CONTROLLED .....126/234
     GRAVITY CONTROLLED SPITTOON ....4/281
     INTERNAL COMBUSTION ENGINE .....123/188.1
       POPPET .......................123/90.1
     MANUAL .........................251/213+
     PNEUMATIC DISPLACEMENT PUMP ....417/118+
     PUMP CONTROLLED ................417/510+
     TIME CONTROLLED ................137/624.11+
     TIME VARIATION, INTERNAL
       COMBUSTION ENGINE POPPET .....123/188.2+
     WIND OPERATED VENTILATOR COWL ..454/17
     WITH TIME INDICATOR ............137/552.7
  APPLYING AND REMOVING APPARATUS ...29/213.1+
  AUTOMATIC
     DRAIN ..........................137/177+
     FIRE EXTINGUISHER ..............169/19+
     FLUID BRAKE EQUALIZING .........303/33
     HOSE HOLDER AND FLUID SUPPLY ...239/196
     SEWERAGE CATCH BASIN ...........210/109+
     SEWERAGE TRAP ..................137/247.15+
     TRAP ...........................137/171+
     WINDOW VENTILATOR ..............454/196
  BALANCED
     RECIPROCATING ..................251/282
     ROTARY .........................251/283
  BUTTERFLY .........................251/305+
  CHECK
     BALL ...........................137/329.3
     FLOW METER .....................73/276
     PIVOTED ........................137/527+
     PUMP ...........................417/559+
     RADIATOR VENT ..................137/511+
     RECIPROCATING ..................137/528+
     SIPHON BOWL ....................4/426+
     WELLS, IN ......................166/325+
  COMBINED WITH SUPPORT .............251/143
  DESIGN ............................D23/233+
  DIAPHRAGM .........................359/227+
  DISPENSING ........................222/544+
     PRESSURE OPERATED ..............222/491+
     RESILIENT TYPE .................222/490
  ELECTRICALLY ACTUATED .............251/129.1+
     CIRCUIT MAKERS AND BREAKERS ....20/61.86
     ENGINE DISTRIBUTING ............91/218+
     LIQUID PUMP ....................417/505
     LUBRICATOR .....................137/630.16
     RAILWAY SWITCH .................246/140+
  ELECTRO OPTICAL ...................359/245+
     POLORIZED LIGHT ................359/246+
  ENGINE IGNITER COMBINED ...........123/151
  FLOAT .............................137/409+
     ANIMAL WATER SUPPLY ............119/78+
     AUTOMATIC DISPENSER ............222/67+
     BATH OR BASIN ..................4/669
     CLOSED FLUID HEATER ............236/31
     FLOW METER PLURAL CHAMBER ......73/221
     FLOW METER SINGLE CHAMBER ......73/224
     FUNNEL .........................141/199+
     FUNNEL AIR DISPLACEMENT ........141/199+
     PNEUMATIC DISPLACEMENT PUMP ....417/126+
     PUMP REGULATOR .................417/40+
     RADIATOR RELIEF ................236/65
     STEAM TRAP .....................137/192+
     TEMPERATURE REGULATING .........236/52
     THERMAL TRAP ...................236/53
     WATER CLOSET ...................4/395+
     WATER PURIFIER .................210/97+
  FLUID BRAKE SYSTEM
     EQUALIZING .....................303/33+
     MOTORMANS ......................303/50+
     PIPELESS .......................303/90
  FLUID MOTOR DISTRIBUTING ..........91/218+
  FLUID PRESSURE ACTUATED ...........251/12+
     BOILER FEEDER ..................122/451.2
     ENGINE DISTRIBUTING ............91/281+
     FLUID FLOW METER DIAPHRAGM .....73/271
     FLUID FLOW METER PISTON ........73/249
     FLUID FLOW METER PLURAL ........73/220
     LIQUID PUMP ....................417/507
     LUBRICATOR RECIPROCATING .......184/76
     LUBRICATOR ROTATABLE ...........184/72
     RADIATOR VENT THERMAL ..........236/61
     RECEPTACLE FILLING .............141
     STEAM TRAP .....................137/171+
     TRAP THERMAL ...................236/54
  FLUID PRESSURE REGULATING .........137/505+
  FLUID PRESSURE RELIEF .............137/455+
     RECEPTACLE FILLER ..............141
  FLUID SERVOMOTOR ..................91/418+
  FLUSH
     ACTUATION ......................251/15+
     ACTUATION CLOSET COMBINED ......4/249+
     SIPHON BOWL ....................4/422+
     SPITTOON .......................4/266
     WATER CLOSET BOWL ..............4/435+
  GAS MOTOR .........................415/148+
  GATE
     PASTRY NOZZLE ..................425/381.2
     PASTRY NOZZLE ..................425/461+
     PIVOTED ........................251/298+
     PIVOTED CHECK ..................137/527+
     RECIPROCATING ..................251/326+
  GRINDER ...........................51/27+
  GUN MUZZLE ........................89/31
  INFLATING
     CHUCK OR GAUGE COMBINED ........137/223+
     PRESSURE REGULATION ............137/224+
  INLET OR SUPPLY
     GAS SEPARATION .................55/418+
     INTERNAL COMBUSTION ENGINE .....123/188.14+
     SAND BLAST MACHINE .............51/436
     SEWERAGE TRAP ..................137/247.13+
     SPITTOON .......................4/282
     STREET CURB FOR DRAINAGE .......404/4+
  INTERNAL COMBUSTION ENGINE ........123/188.1+
  LARGE AREA VALVE,MOTOR ART ........91/DIG.3
  LARNER JOHNSON TYPE INTERNAL
     HYDRAULIC ......................137/219+
  LIGHT .............................359/240+
  LIGHT .............................359/290+
  LIQUID ............................137/251.1+
     THERMAL ........................236/50
  LOCKS
     AUTOMOTIVE FUEL ................70/242+
     COMBINED .......................70/175+
     COMBINED OPERATION .............137/384.2+
     LUBRICATOR .....................184/86
  MAKING REPAIRING AND ASSEMBLING
     APPLYING AND REMOVING APPARATUS 29/213.1+
     FLUID MOTOR AND PUMP PROCESS ...29/888.4+
     PROCESS ........................29/890.12+
     REFITTING BY MILLING ...........409/64+
  MEASURING .........................222/424.5+
  MIXING
     PLURAL VALVES ..................137/602+
  MOTORMANS AIR BRAKE ...............303/50+
  MULTIPLE ..........................137
     GAS & LIQUID CONTACT APPARATUS .261/42+
  MULTIWAY UNIT .....................137/625+
     BYPASS .........................137/599+
     GATE ...........................137/625+
     PLURAL VALVES SEQUENTIAL
       OPENING ......................137/630.16
     PLURAL VALVES SINGLE OUTLET ....137/602+
     UNIT ...........................137/625+
  MUSIC SEE MUSIC
  NEEDLE VALVES .....................261/DIG.38
  OSCILLATING
     FLUID FLOW METER COMBINED ......73/268
  OUTLET EXHAUST AND DISCHARGE
     FILTER .........................210/418+
     FILTER, FAUCET ATTACHED ........210/449
     FOUR CYCLE ENGINE ..............123/84+
     FURNACE ASHPAN .................110/169
     FURNACE SPARK ARRESTER .........110/129
     GAS SEPARATION .................55/417
     GRAIN HULLER ...................99/611
     INTERNAL COMBUSTION ENGINE .....123/188.1+
     SEWERAGE CATCH BASIN ...........210/109+
     SEWERAGE TRAP ..................137/247.13+
     SINK OR BATH ...................4/650+
       CONDITIONED RESPONSIVE MEANS .4/668+
       DRAIN OR OVERFLOW ............4/679+
       WITH SUPPLY OUTLET ...........4/671+
     SPITTOON .......................4/266
     SPITTOON FLOOR ORIFICE .........4/276
     WATER CLOSET ...................4/378+
  PIPE ..............................251
     SYSTEM .........................137
  PISTON FOR PUMPS ..................417/481+
  PIVOTED ...........................251/298+
     CHECK ..........................137/527+
     CLOSET BOWL ....................4/421+
     COWLS ..........................454/5+
     REGISTER .......................454/322+
  POSITION INDICATOR ................116/277
  PRESSURE REDUCING AND REGULATING ..137/505+
  PRESSURE RELIEF ...................137/455+
  PUPPET OR POPPET ..................251/82
     ABRADING MACHINE ...............51/29
     ACETYLENE GENERATOR ............48/53+
     COOLANT CONTAINING .............123/41.16
     FOUR CYCLE ENGINE ..............123/79.R
     INTERNAL COMBUSTION ENGINE .....123/188.2
     MAKING .........................29/888.4+
  RADIATOR VENT .....................137/455+
     THERMOSTATIC ...................236/61+
  RECIPROCATING .....................251/318+
     ANIMAL WATERING ................119/80
     BIASED CHECK ...................137/528+
     ENGINE NOZZLE ..................239/584+
     FURNACE ASHPAN .................110/169
     GATE ...........................251/326+
     LUBRICATOR HORIZONTAL ..........184/79
     LUBRICATOR VERTICAL ............184/74+
     REVERSING ......................137/309+
  REFRIGERATION EXPANSION ...........62/527+
     AUTOMATIC ......................62/222+
  REGULATOR
     FLUID PRESSURE .................137/505+
     PUMP ...........................417/279+
  REMOVAL TOOL ......................29/213.1
  REVERSING .........................137/309+
     RECIPROCATING REGENERATING
       FURNACE TYPE .................137/309+
     ROTARY REGENERATING FURNACE
       TYPE .........................137/311
  ROCKING AND OSCILLATING
     ANIMAL WATERING ................119/79
     FOUR CYCLE ENGINE ..............123/81.R
     LUBRICATOR .....................184/34
     VENTILATOR COWL ................454/3
     WALL REGISTER ..................454/285
  ROTARY OR OSCILLATING
     DISK ...........................251/304+
     FLOOR REGISTER .................454/289+
     FLUID FLOW METER ...............73/265+
     INTERNAL COMBUSTION ENGINE .....123/190.1
     LUBRICATOR FORCE FEED ..........184/35
     LUBRICATOR GRAVITY FEED ........184/71+
     PLUG ...........................251/309+
  SAFETY
     ACETYLENE GENERATOR ............48/56
     BOILER .........................122/507
     BOILER FEED HEATER .............122/437
     FLUID PRESSURE RELIEF ..........137/455+
     HIGH TEMPERATURE CUTOFF ........137/457
     MUFFLER ........................181/237
     PIPE BREAK CUTOFF ..............137/456+
  SEAT GRINDERS
     ABRADING .......................51/27+
     MILLING ........................409/64+
  SEAT MAKING .......................29/890.122
     FLUID MOTOR ....................29/888.44
  SLIDE
     ABRADING MACHINE ...............51/30
     ACETYLENE GENERATOR ............48/55
  SODA WATER TYPE
     COMBINED WITH PLURAL SOURCES ...222/129+
     MULTIPLE VALVE .................137/170.1+
     NOZZLES ........................239/445+
     VALVE ..........................251
     WITH AGITATING .................366/195+
     WITH DEFLECTOR NOZZLES .........239/499+
     WITH FIZZING STREAM ............239/445
     WITH MULTIPLE INLET NOZZLES ....239/407
     WITH VARIABLE DISCHARGE ........239/435
  STEM CAP ..........................138/89+
     COMBINED TOOL ..................152/431
     PACKING ........................277
  SWITCH COMBINED ...................20/61.86
  THERMOSTAT AND TEMPERATURE ........236
     BURNER COMBINED ................431/83+
     CUTOFF .........................137/457
     FREEZE RESPONSIVE DRAIN ........137/59+
  THROTTLE AND ENGINEERS
     FLUID BRAKE CONTROL ............303/50+
     TRAIN CONTROL ..................246/189+
  TIRE ..............................137/223+
     CAPS AND CORES .................137/232+
     COMBINED GAUGE .................137/227+
     COMBINED PRESSURE REGULATOR ....152/431
  TRAIN CONTROL PIPE ................246/190
  WELL CLOSURES .....................166/316+


VALVED DEVICE
  ACETYLENE GENERATOR
     FLAP ...........................48/43
  BAG CLOSURE .......................383/44
     FILLING ........................141/68
     FILLING ........................141/315
  BARREL BUNG .......................217/99+
  BATH OR BASIN .....................4/679+
  BATTERY CELL, WEIGHT ACTUATED .....429/85
  BATTERY VENT ......................429/53+
  BLOW-OUT TYPE .....................429/56
  BOTTLE
     CLOSURE ........................215/311+
     NONREFILLABLE ..................215/17+
  CHUTE .............................193/21
     COUNTERWEIGHT ..................193/20
  CLOSET VENT .......................4/216
  COATING IMPLEMENT .................401
  COOKING STOVE .....................126/52
  DISPENSER .........................222
  DRINKING FOUNTAIN .................239/29
     BUBBLE CUP .....................239/31
  DRY CLOSET ........................4/466
     BOWL ...........................4/471+
  ELASTIC ...........................429/54
  FILTER ............................210/418+
  FLOAT .............................429/76
  FLUID FLOW METER
     DIAPHRAGM ......................73/265
     PISTON .........................73/248
     PROPORTIONAL ...................73/203
  FLUID FLOW PATH ...................251
     INTERLOCKING ...................48/83
     PLATE ..........................48/52
     POP ............................48/53
     SLIDE ..........................48/58
     SYSTEM .........................137
  FOUNTAIN PEN ......................401
  FUNNEL ............................141/344
     AIR DISPLACEMENT ...............141/297+
  GAS AND LIQUID CONTACT APPARATUS ..261/38+
  GAS SEPARATOR INFLOW CONTROL ......55/418+
  GAS SEPARATOR OUTFLOW CONTROL .....55/417
  HEATING GAS PURIFIER ..............48/170
  HOIST BUCKET ......................414/657+
  ILLUMINATING FIXTURE ..............362/394+
  INHALER ...........................128/203.12+
     NASAL ..........................128/203.12+
  INTERNAL COMBUSTION ENGINE
     COOLING ........................123/41.1+
     IGNITER ........................123/146
  LIQUID LEVEL GAUGE ................73/332+
  LUBRICATOR
     FORCE FEED PUMP ................184/26+
     GRAVITY FEED ...................184/65+
  MUSIC BRASSES .....................84/388+
  PASTRY DEPOSITOR ..................222
  PASTRY DEPOSITOR ..................425/381.2
  PASTRY DEPOSITOR ..................425/461+
  PIANO PNEUMATIC ...................84/60+
     BLEEDS .........................84/59
  PIPE ..............................251
     SYSTEM .........................137
  PIPE ORGAN
     ACTION .........................84/336
     KEY ............................84/342
     TREMOLO ........................84/348
  PIPE TAPS .........................137/317
  PISTON
     FLOW METER .....................73/248
     FLUID MOTOR ....................91/422
     INTERNAL COMBUSTION ENGINE .....123/47.R
     PUMP ...........................417/545+
     PUMP OSCILLATING ...............417/484
     PUMP RECIPROCATING .............417/545+
  PNEUMATIC TIRE
     TIRE AND VALVE STEM ............152/429+
     TOOL AND VALVE STEM CAP ........152/431
     WHEEL AND VALVE STEM ...........152/427+
  PRESERVING APPARATUS ..............422
  PUMP ..............................417/559
     DIAPHRAGM ......................417/480
     REGULATOR ......................417/279+
  RECEPTACLE FILLER .................141
  REFRIGERATION PRODUCER ............62
  REFRIGERATOR, AIR CONTROLLING .....62/408+
     AUTOMATIC ......................62/186+
     BLOCKING AIR AT ACCESS OPENING .62/265+
  SAND BLAST MACHINE ................51/436
  SHIP
     PLUG ...........................114/197
     SEA COCK .......................114/198
     VENTILATOR .....................114/212
  SIFTER
     DISCHARGING ....................209/258
     FEEDING HOPPER .................209/246
  SINK STRAINER .....................4/287
  SMOKING DEVICE ....................131/223
  SOUND MUFFLER .....................181/254
  SPRAY NOZZLE ......................239/569+
     DEFLECTOR ......................239/506
     MULTIPLE OUTLET ................239/562+
     WHIRLER ........................239/476+
  STRAINER ..........................210/156
     IN PIPELINE ....................210/418+
     MULTIPLE IN PIPELINE ...........210/294+
  TEXTILE POUNDER ...................68/218
     WITH PLUNGER ...................68/217
  TRACK SANDER ......................291/6
  TRAPS
     SEWERAGE .......................137/247.13+
     STEAM ..........................137/171+
  VENTILATION
     AIR PUMP .......................454
     BACKDRAFT PREVENTER FOR INLET ..454/259
     BACKDRAFT PREVENTER FOR OUTLET .454/359+
     BACKDRAFT PREVENTER FOR WINDOW .454/227
     BUILDING INLET .................454/333+
     CHIMNEY CAP ....................454/3+
     THIMBLES .......................454/273+
       FOR INLET ....................454/270+
  WATER CLOSET
     BOWL ...........................4/434+
     SIPHON BOWL ....................4/421+
     TANK ...........................4/378+

VAMP AND QUARTERS ................... 36/48+
  TRIMMING MACHINES .................12/57.6

VANADIUM
  ALLOYS, FERROUS ...................420/127
  ALLOYS, NON-FERROUS ...............420/424
  CARBON COMPOUNDS ..................556/42+
  COMPOUND STOCK ....................428/662
  ELECTROLYTIC PREPARATION ..........204/64.R
  INORGANIC COMPOUND RECOVERY .......423/62
  MISC  CHEMICAL MANUFACTURE ........156/DIG.106
  PYROMETALLURGY ....................75/622

VANES
  AIRCRAFT CONTROL ..................244/82
  AMMUNITION AND EXPLOSIVE DEVICE
     COMBINED .......................244/3.24+
     DROP BOMB COMBINED .............102/384
     FUSE ARMING ....................102/225+
     PARACHUTE FLARE ................102/339
     ROCKET COMBINED ................102/348
  FLUID FLOW DIRECTION MEASURING ....73/170.5+
  FORMING WORKING MEMBER
     FOR EXPANSIBLE CHAMBER DEVICE ..92/121+
  GATE MOUNTED WIND BALANCE .........49/135
  METER .............................73/861.74+
     EXPANSIBLE CHAMBER .............73/232+
  PUMP ..............................418
  SHIPS LOG .........................73/186+
  SIGNALING SEE SEMAPHORES
  TURBINE GUIDE VANE ................415/148+
  VENTILATING COWL ..................454/3+
  WINDMILL GUIDE VANE ...............416/12+


VANILLIN ............................ 568/442

VANITY
  CASES OR COMPACTS .................132/293+
     ABSENT NON-COATING ARTICLE EG,  401/118
       MIRROR .......................401/118+
     ILLUMINATED MIRROR .............362/136

VAPOR (SEE GAS)
  BATHS .............................4/524+
  COATING ...........................427/248.1+
  CONDENSER .........................165/110+
  CONTACT WITH SOLIDS ...............34
  COOKSTOVE .........................126/44
     DESIGN .........................D07/339+
  DEPOSITION ........................118/715+
     PROCESS TO FORM SEMICONDUCTOR   437
       P-N TYPE JUNCTION ............437
  DOPING, SEMICONDUCTOR .............118/900*
     PROCESS TO FORM JUNCTION .......437
  ELECTRIC LAMP .....................313/567+
     ARC ............................313/567+
     LANTERNS .......................362/263+
  ELECTRIC SPACE DISCHARGE TUBES ....313/567+
  GENERATOR FOR DISINFECTING ........422/305+
  HEATING BURNERS ...................431/161+
  HEATING BURNERS ...................431/207+
  HEATING STOVES ....................126/95
  LIQUEFIED OR SOLIDIFIED ...........62/8
  MEDICATORS ........................604/23+
  TESTING FOR EXPLOSIVE
     CATALYTIC ......................73/25.1+
     MINERS LAMP ....................362/164+
  THERAPEUTIC BATHS .................607/83+
  THERMOMETER .......................374/201+
  TREATING ..........................34
     CABINETS .......................312/31+
     COATING PROCESSES ..............427/335+
     DISTILLED VAPORS TREATED .......203
     DISTILLED VAPORS TREATED .......201/29
     GASES WITH SEPARATION ..........95
     MINERAL OIL VAPORS TREATED .....208/3
     TEXTILE APPARATUS ..............68/5.R+
     TEXTILE PROCESSES ..............8/149.2+
  TUBE AMPLIFYING SYSTEM ............330/41


VAPORIZER MAKING .................... 29/890.7

VAPORIZING AND VAPORIZATION ......... 122
  CONCENTRATORS .....................159
  DESIGN ............................D23/360+
  DISTILLING ........................201
     DISTILLING .....................203
  DRYING ............................34
  ELECTRICAL HEATING FOR ............392/386+
  FUMIGATORS ........................43/129+
  HEAT MOTORS .......................60/531
  HEAT OR ENERGY EXCHANGE AGENTS ....252/67+
  INTERNAL COMBUSTION ENGINES .......123/250+
     EXTERNAL VAPORIZING ............123/522+
  JET GAS PUMPS .....................417/152+
  LIQUIDS ...........................122
  MEDICAL INHALERS ..................128/203.12+
  MINERAL OILS ......................208
  NUCLEAR REACTORS INVOLVED IN ......376/370
  NUCLEAR REACTORS INVOLVED IN ......376/371
  NUCLEAR REACTORS INVOLVED IN ......376/378
  PUMPS .............................417/208+
  RECOVERY OF ACTINIDE COMPOUNDS BY .423/249
  REFRIGERATION .....................62
  RESOLVING COLLOIDS BY .............252/346+
  VAPORIZERS ........................261/DIG.65

VARIABLE CAPACITOR .................. 361/277
  WITH VARIABLE RESISTOR ............323/354

VARIABLE DENIER
  EXTRUDING APPARATUS ...............425/76
  STRETCHING ........................28/243

VARIOMETER .......................... 336/115+
  RADIO TUNING SYSTEM ...............334/62


VARNISH
  ASPHALT ...........................106/273.1+
     FATTY OIL ......................106/246+
  NATURAL RESIN
     FATTY OIL ......................106/220+
     POLYMER CTG (SEE SYNTHETIC
       RESIN OR NATURAL RUBBER)
     SOLVENT ........................106/236
  REMOVING ..........................134/38
     MATERIALS ......................252/89.1+

VARNISHING .......................... 427
  SHELLS ............................86/17

VASE ................................ D11/143+

VASODILATORS ........................ 424

VASOPRESSIN ......................... 530/315

VATS SEE VESSEL
  CHEESE ............................99/452+
  METALLIC AND MISCELLANEOUS ........220
  TEXTILE FLUID TREATING APPARATUS
     MOVABLE CARRIER IN VAT .........68/157
     SEPARATE CENTRIFUGE AND VAT ....68/26
  VAT OR SULFUR DYEING ..............8/650+
     SEVERAL DYES INCLUDING .........8/642
     TEXTILE PRINTING ...............8/453
     TEXTILE PRINTING ...............8/461
  WOODEN ............................217/4

VAULTED ROOF DESIGN ................. D25/18+


VAULTS
  BUILDING LIGHTS ...................359/591+
  BURIAL ............................52/128+
     LIFTING OR HANDLING ............52/124.1+
  DESIGN ............................D99/1+
  DRY CLOSET ........................4/474+
  ROAD OR PAVEMENT VAULT COVER ......404/25+
     DESIGN .........................D25/36

VCR (SEE RECORDING AND RECORDERS) ... 360/33.1

VECTOGRAPH .......................... 359/489

VECTOR .............................. 435/320.1
  BACTERIOPHAGE .....................435/320.1
  VIRAL .............................435/320.1


VEGETABLE
  CLEANING
     APPARATUS BRUSHING OR WIPING ...15/3.1+
     APPARATUS LIQUID TREATMENT .....134
     PROCESSES ......................426/478+
  COFFEE SUBSTITUTES FROM ...........426/594
  COMMINUTING MACHINES ..............241
  CUTTING,COMMINUTING,PEELING,PARING 99/588+
     FLUID OR CHEMICAL ..............426/287+
  FERTILIZERS FROM ..................71/23+
  FIBERS
     LIBERATION CHEMICAL ............162/1+
     LIBERATION MECHANICAL ..........19
  GATHERING .........................56/327.1
     DIGGER TYPE ....................171
  GRATING ...........................241/95+
  JELLIES ...........................426/573+
  JUICES ............................426/599+
  PEELING ...........................99/584+
  PIT STEM OR CORE REMOVAL
     CORERS .........................99/544+
     PROCESSES ......................426/484+
     SEEDERS AND STONERS ............99/547+
     STEMMERS .......................99/635+
  PLANTERS ..........................111/913*
  PRESERVATION ......................426/321+
     CANNING ........................426/392+
     COATING ........................426/289+
     DEHYDRATION ....................426/471+
     REFRIGERATION ..................426/524
  PROTEIN FOODS .....................426/656
  STALKS
     RETTING ........................162/1+
     RETTING BACTERIOLOGICAL ........435/277+
  SYNTHETIC RESINS FROM EXTRACTS ....528/1+

VEGETATION
  FUEL ..............................44/605+
     BRIQUETTE ......................44/589+
  HYDROCARBON RECOVERY FROM .........585/240+
  IMITATION .........................428/17+
  TREATED ...........................428/17+