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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2004 - 2008 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

NEW YORK

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed either by year of patent grant or by year of patent application.
Class Class Title 2004 2005 2006 2007 2008 Total
438 Semiconductor Device Manufacturing: Process 223 192 249 202 271 1137
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 169 132 201 152 199 853
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 169 128 167 154 138 756
382 Image Analysis 157 111 149 142 107 666
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 168 77 118 90 92 545
428 Stock Material or Miscellaneous Articles 140 96 89 99 54 478
399 Electrophotography 97 70 95 122 84 468
435 Chemistry: Molecular Biology and Microbiology 107 67 104 81 109 468
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 29 69 114 122 127 461
358 Facsimile and Static Presentation Processing 82 92 112 71 82 439
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 85 51 100 101 100 437
370 Multiplex Communications 83 75 109 61 77 405
385 Optical Waveguides 111 64 95 71 60 401
347 Incremental Printing of Symbolic Information 134 81 52 59 50 376
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 75 53 85 66 96 375
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 89 72 76 70 66 373
340 Communications: Electrical 61 49 109 69 73 361
707 DP: Database and File Management or Data Structures (Data Processing) 78 55 67 68 91 359
375 Pulse or Digital Communications 60 59 83 52 71 325
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 87 62 60 55 56 320
455 Telecommunications 40 41 94 82 56 313
532 Organic Compounds (includes Classes 532-570) 62 41 73 59 68 303
250 Radiant Energy 61 41 80 62 57 301
345 Computer Graphics Processing and Selective Visual Display Systems 70 60 73 57 38 298
359 Optical: Systems and Elements 83 70 53 43 47 296
324 Electricity: Measuring and Testing 52 65 63 48 65 293
361 Electricity: Electrical Systems and Devices 55 48 57 71 62 293
128 Surgery (includes Class 600) 75 60 65 38 52 290
348 Television 53 59 74 49 46 281
439 Electrical Connectors 41 30 68 52 78 269
702 DP: Measuring, Calibrating, or Testing (Data Processing) 52 54 52 36 59 253
062 Refrigeration 63 49 52 53 22 239
356 Optics: Measuring and Testing 53 23 44 59 56 235
029 Metal Working 64 44 45 36 43 232
713 Support (Electrical Computers and Digital Processing Systems) 24 37 49 50 47 207
714 Error Detection/Correction and Fault Detection/Recovery 37 32 43 54 38 204
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 41 40 57 40 25 203
073 Measuring and Testing 51 30 35 44 39 199
365 Static Information Storage and Retrieval 33 20 47 38 53 191
378 X-Ray or Gamma Ray Systems or Devices 19 34 40 40 41 174
123 Internal-Combustion Engines 51 40 31 29 21 172
711 Memory (Electrical Computers and Digital Processing Systems) 41 29 33 28 39 170
362 Illumination 32 36 37 36 26 167
174 Electricity: Conductors and Insulators 31 28 25 43 29 156
310 Electrical Generator or Motor Structure 50 30 26 25 20 151
427 Coating Processes 39 27 23 35 26 150
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 28 16 33 35 35 147
700 DP: Generic Control Systems or Specific Applications (Data Processing) 33 27 31 29 26 146
313 Electric Lamp and Discharge Devices 32 32 27 27 26 144
604 Surgery (Medicators and Receptors) 44 36 16 22 22 140
210 Liquid Purification or Separation 46 23 17 20 23 129
606 Surgery (instruments) 25 24 27 34 19 129
379 Telephonic Communications 28 23 32 21 18 122
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 42 22 19 19 16 118
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 12 9 35 24 37 117
349 Liquid Crystal Cells, Elements and Systems 35 33 26 12 8 114
252 Compositions 25 16 21 25 26 113
710 Input/Output (Electrical Computers and Digital Processing Systems) 29 19 19 20 26 113
717 DP: Software Development, Installation, and Management (Data Processing) 16 18 27 26 23 110
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 29 27 17 23 11 107
206 Special Receptacle or Package 13 25 16 22 29 105
396 Photography 50 17 18 13 7 105
060 Power Plants 18 26 23 20 14 101
280 Land Vehicles 18 16 22 19 25 100
473 Games Using Tangible Projectile 15 16 19 24 25 99
415 Rotary Kinetic Fluid Motors or Pumps 27 22 21 11 17 98
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 14 17 26 21 19 97
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 12 14 37 18 16 97
165 Heat Exchange 20 13 20 22 18 93
052 Static Structures (e.g., Buildings) 23 21 17 11 18 90
002 Apparel 28 12 21 17 11 89
219 Electric Heating 25 15 22 14 9 85
351 Optics: Eye Examining, Vision Testing and Correcting 21 9 16 20 17 83
726 Information Security 8 7 20 25 22 82
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 16 15 17 18 15 81
451 Abrading 22 22 22 9 6 81
706 DP: Artificial Intelligence (Data Processing) 12 22 7 9 31 81
607 Surgery: Light, Thermal, and Electrical Application 26 17 21 7 9 80
341 Coded Data Generation or Conversion 14 13 13 17 22 79
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 13 13 16 19 18 79
353 Optics: Image Projectors 23 25 9 12 10 79
315 Electric Lamp and Discharge Devices: Systems 27 20 14 7 9 77
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 17 14 14 13 18 76
372 Coherent Light Generators 21 17 16 7 12 73
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 16 15 11 16 15 73
248 Supports (e.g., for holding articles, etc.) 16 13 11 21 10 71
005 Beds 21 15 14 12 8 70
065 Glass Manufacturing 29 13 12 8 8 70
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 18 11 15 15 10 69
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 14 14 16 11 13 68
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 18 18 13 11 7 67
318 Electricity: Motive Power Systems 13 17 15 8 11 64
297 Chairs and Seats 14 13 10 11 14 62
033 Geometrical Instruments 17 11 12 11 8 59
053 Package Making 17 15 12 6 9 59
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 6 15 18 7 13 59
119 Animal Husbandry 11 12 12 11 12 58
222 Dispensing (apparatus and process) 8 11 15 13 11 58
446 Amusement Devices: Toys 23 12 11 9 3 58
482 Exercise Devices 11 7 15 12 13 58
271 Sheet Feeding or Delivering 10 14 9 10 14 57
015 Brushing, Scrubbing, and General Cleaning 11 13 7 14 11 56
273 Amusement Devices: Games 10 16 11 12 7 56
333 Wave Transmission Lines and Networks 18 11 12 6 9 56
433 Dentistry 17 10 14 7 8 56
436 Chemistry: Analytical and Immunological Testing 12 11 10 15 8 56
106 Compositions: Coating or Plastic 17 14 13 5 6 55
228 Metal Fusion Bonding 16 11 8 9 11 55
040 Card, Picture, or Sign Exhibiting 22 10 5 4 13 54
423 Chemistry of Inorganic Compounds 15 7 13 9 10 54
326 Electronic Digital Logic Circuitry 6 12 10 12 13 53
343 Communications: Radio Wave Antennas 12 8 14 12 7 53
501 Compositions: Ceramic 14 9 8 10 12 53
137 Fluid Handling 11 15 12 10 4 52
084 Music 11 7 18 10 5 51
216 Etching a Substrate: Processes 11 10 11 6 13 51
355 Photocopying 14 14 9 10 4 51
380 Cryptography 3 12 10 16 9 50
211 Supports: Racks 10 18 7 4 10 49
244 Aeronautics and Astronautics 11 12 11 8 7 49
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 14 8 10 6 11 49
725 Interactive Video Distribution Systems 10 6 15 10 8 49
200 Electricity: Circuit Makers and Breakers 6 12 9 15 6 48
239 Fluid Sprinkling, Spraying, and Diffusing 15 8 14 8 3 48
400 Typewriting Machines 18 10 10 6 4 48
416 Fluid Reaction Surfaces (i.e., Impellers) 13 8 12 5 9 47
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 14 9 7 11 6 47
004 Baths, Closets, Sinks, and Spittoons 16 6 11 6 6 45
417 Pumps 15 5 12 8 5 45
434 Education and Demonstration 6 11 8 17 3 45
404 Road Structure, Process, or Apparatus 9 11 8 5 11 44
708 Arithmetic Processing and Calculating (Electrical Computers) 8 7 14 8 7 44
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 17 6 9 7 3 42
401 Coating Implements with Material Supply 6 10 8 11 7 42
114 Ships 12 7 3 11 8 41
398 Optical Communications 3 7 13 9 9 41
134 Cleaning and Liquid Contact with Solids 14 12 6 5 3 40
095 Gas Separation: Processes 6 1 10 12 10 39
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 9 5 11 8 6 39
426 Food or Edible Material: Processes, Compositions, and Products 9 4 6 15 5 39
463 Amusement Devices: Games 9 10 3 6 11 39
290 Prime-Mover Dynamo Plants 2 3 10 9 14 38
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 11 11 10 6 0 38
223 Apparel Apparatus 7 8 4 9 9 37
251 Valves and Valve Actuation 10 13 8 5 1 37
296 Land Vehicles: Bodies and Tops 7 7 6 11 6 37
366 Agitating (e.g., of articles and materials) 10 9 6 7 5 37
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 9 11 5 4 7 36
242 Winding, Tensioning, or Guiding 6 4 6 11 9 36
101 Printing 17 4 6 5 3 35
063 Jewelry 5 3 8 9 9 34
180 Motor Vehicles 4 9 7 5 9 34
360 Dynamic Magnetic Information Storage or Retrieval 10 10 8 5 1 34
081 Tools 6 5 13 8 1 33
083 Cutting 10 6 11 1 5 33
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 4 3 13 6 7 33
220 Receptacles 9 6 7 4 7 33
099 Foods and Beverages: Apparatus 10 5 9 2 6 32
198 Conveyors: Power-Driven 4 4 8 12 4 32
204 Chemistry: Electrical and Wave Energy 12 7 1 6 6 32
307 Electrical Transmission or Interconnection Systems 5 4 6 6 11 32
374 Thermal Measuring and Testing 8 5 6 4 9 32
024 Buckles, Buttons, Clasps, Etc. 4 3 8 9 7 31
036 Boots, Shoes, and Leggings 6 5 6 9 5 31
192 Clutches and Power-Stop Control 6 5 8 8 4 31
330 Amplifiers 5 5 6 6 9 31
331 Oscillators 2 2 5 12 10 31
445 Electric Lamp or Space Discharge Component or Device Manufacturing 6 8 7 4 6 31
475 Planetary Gear Transmission Systems or Components 6 8 7 6 4 31
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 6 11 4 7 3 31
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 5 9 9 6 2 31
070 Locks 8 9 5 3 5 30
118 Coating Apparatus 9 12 2 2 5 30
162 Paper Making and Fiber Liberation 5 3 12 6 4 30
368 Horology: Time Measuring Systems or Devices 8 4 7 7 4 30
383 Flexible Bags 6 9 7 6 2 30
386 Television Signal Processing for Dynamic Recording or Reproducing 10 4 7 6 3 30
277 Seal for a Joint or Juncture 11 5 4 3 6 29
294 Handling: Hand and Hoist-Line Implements 3 1 6 13 6 29
363 Electric Power Conversion Systems 8 7 5 6 3 29
367 Communications, Electrical: Acoustic Wave Systems and Devices 7 3 4 8 6 28
405 Hydraulic and Earth Engineering 5 3 9 5 6 28
096 Gas Separation: Apparatus 6 5 5 4 7 27
209 Classifying, Separating, and Assorting Solids 5 4 5 9 4 27
336 Inductor Devices 9 9 4 2 3 27
450 Foundation Garments 6 5 8 7 1 27
474 Endless Belt Power Transmission Systems or Components 4 6 11 3 3 27
043 Fishing, Trapping, and Vermin Destroying 9 6 5 3 3 26
055 Gas Separation 6 4 2 10 4 26
132 Toilet 5 6 6 7 2 26
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 4 4 5 5 8 26
320 Electricity: Battery or Capacitor Charging or Discharging 6 4 5 2 8 25
381 Electrical Audio Signal Processing Systems and Devices 2 2 6 8 7 25
030 Cutlery 4 4 6 4 6 24
135 Tent, Canopy, Umbrella, or Cane 4 5 3 4 8 24
221 Article Dispensing 5 3 4 5 7 24
241 Solid Material Comminution or Disintegration 1 4 5 11 3 24
602 Surgery: Splint, Brace, or Bandage 3 3 6 6 6 24
042 Firearms 1 5 4 5 8 23
102 Ammunition and Explosives 2 6 5 6 4 23
160 Flexible or Portable Closure, Partition, or Panel 9 4 5 4 1 23
254 Implements or Apparatus for Applying Pushing or Pulling Force 7 3 3 8 2 23
261 Gas and Liquid Contact Apparatus 9 6 2 1 5 23
454 Ventilation 9 6 2 5 1 23
224 Package and Article Carriers 7 6 4 2 3 22
048 Gas: Heating and Illuminating 3 4 3 5 6 21
148 Metal Treatment 4 7 4 5 1 21
292 Closure Fasteners 3 3 7 6 2 21
414 Material or Article Handling 9 2 5 3 2 21
418 Rotary Expansible Chamber Devices 6 4 5 2 4 21
072 Metal Deforming 6 3 2 6 3 20
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 4 3 5 2 6 20
188 Brakes 6 3 4 4 3 20
232 Deposit and Collection Receptacles 1 4 4 8 3 20
369 Dynamic Information Storage or Retrieval 6 8 3 1 2 20
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 4 4 6 2 4 20
089 Ordnance 2 4 3 3 7 19
229 Envelopes, Wrappers, and Paperboard Boxes 3 7 2 3 4 19
303 Fluid-Pressure and Analogous Brake Systems 3 5 2 2 7 19
164 Metal Founding 1 2 5 7 3 18
352 Optics: Motion Pictures 5 4 5 3 1 18
403 Joints and Connections 5 4 3 3 3 18
601 Surgery: Kinesitherapy 5 3 2 2 6 18
074 Machine Element or Mechanism 4 6 1 5 1 17
136 Batteries: Thermoelectric and Photoelectric 5 0 4 3 5 17
182 Fire Escape, Ladder, or Scaffold 6 6 1 3 1 17
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 8 4 0 2 3 17
016 Miscellaneous Hardware 3 3 6 1 3 16
034 Drying and Gas or Vapor Contact with Solids 6 5 0 4 1 16
440 Marine Propulsion 2 6 5 2 1 16
472 Amusement Devices 3 9 0 1 3 16
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 6 0 3 4 2 15
108 Horizontally Supported Planar Surfaces 6 5 1 1 2 15
126 Stoves and Furnaces 6 8 1 0 0 15
283 Printed Matter 7 3 3 0 2 15
431 Combustion 11 3 0 0 1 15
215 Bottles and Jars 3 5 3 3 0 14
312 Supports: Cabinet Structure 6 4 4 0 0 14
441 Buoys, Rafts, and Aquatic Devices 2 0 5 4 3 14
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 8 4 0 0 2 14
281 Books, Strips, and Leaves 5 1 3 1 3 13
322 Electricity: Single Generator Systems 1 4 1 3 4 13
408 Cutting by Use of Rotating Axially Moving Tool 1 2 7 1 2 13
049 Movable or Removable Closures 4 2 2 2 2 12
124 Mechanical Guns and Projectors 5 2 1 4 0 12
181 Acoustics 3 2 3 2 2 12
384 Bearings 1 4 3 4 0 12
047 Plant Husbandry 1 3 1 6 0 11
056 Harvesters 2 3 2 3 1 11
116 Signals and Indicators 1 7 0 3 0 11
285 Pipe Joints or Couplings 5 1 3 2 0 11
338 Electrical Resistors 2 0 4 5 0 11
505 Superconductor Technology: Apparatus, Material, Process 3 1 4 3 0 11
051 Abrasive Tool Making Process, Material, or Composition 4 0 1 3 2 10
150 Purses, Wallets, and Protective Covers 1 2 2 3 2 10
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 2 3 4 1 10
177 Weighing Scales 1 2 2 4 1 10
269 Work Holders 3 2 2 2 1 10
323 Electricity: Power Supply or Regulation Systems 3 2 4 0 1 10
392 Electric Resistance Heating Devices 1 2 2 2 3 10
007 Compound Hand Tools 4 3 1 1 0 9
044 Fuel and Related Compositions 3 1 0 3 2 9
092 Expansible Chamber Devices 0 3 3 2 1 9
246 Railway Switches and Signals 1 1 3 2 2 9
225 Severing by Tearing or Breaking 3 0 2 3 0 8
236 Automatic Temperature and Humidity Regulation 5 1 0 2 0 8
249 Static Molds 4 0 0 3 1 8
256 Fences 1 3 2 1 1 8
409 Gear Cutting, Milling, or Planing 0 3 2 2 1 8
492 Roll or Roller 2 3 1 1 1 8
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 4 0 2 0 8
066 Textiles: Knitting 3 1 2 1 0 7
112 Sewing 1 2 4 0 0 7
122 Liquid Heaters and Vaporizers 2 1 1 2 1 7
139 Textiles: Weaving 2 3 1 1 0 7
169 Fire Extinguishers 0 1 2 3 1 7
190 Trunks and Hand-Carried Luggage 1 1 4 0 1 7
212 Traversing Hoists 2 1 1 1 2 7
227 Elongated-Member-Driving Apparatus 2 2 2 1 0 7
270 Sheet-Material Associating 2 1 1 1 2 7
293 Vehicle Fenders 1 1 3 0 2 7
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 1 1 2 2 7
585 Chemistry of Hydrocarbon Compounds 0 0 0 1 6 7
037 Excavating 1 1 1 1 2 6
068 Textiles: Fluid Treating Apparatus 1 2 1 2 0 6
110 Furnaces 1 3 0 1 1 6
175 Boring or Penetrating the Earth 2 0 0 3 1 6
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 1 1 2 2 6
208 Mineral Oils: Processes and Products 3 0 1 0 2 6
410 Freight Accommodation On Freight Carrier 1 0 1 3 1 6
014 Bridges 0 2 2 0 1 5
082 Turning (e.g., for metal working) 1 2 1 1 0 5
100 Presses 0 2 3 0 0 5
104 Railways 2 0 2 1 0 5
144 Woodworking 1 1 1 1 1 5
152 Resilient Tires and Wheels 2 2 1 0 0 5
159 Concentrating Evaporators 0 3 0 1 1 5
193 Conveyors, Chutes, Skids, Guides, and Ways 3 0 1 1 0 5
238 Railways: Surface Track 2 2 1 0 0 5
267 Spring Devices 1 0 1 1 2 5
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 2 3 5
432 Heating 1 1 2 0 1 5
452 Butchering 0 0 3 2 0 5
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 0 1 3 5
054 Harness for Working Animal 2 0 0 0 2 4
059 Chain, Staple, and Horseshoe Making 2 0 2 0 0 4
105 Railway Rolling Stock 2 2 0 0 0 4
125 Stone Working 1 0 3 0 0 4
138 Pipes and Tubular Conduits 1 2 0 1 0 4
140 Wireworking 0 0 1 2 1 4
203 Distillation: Processes, Separatory 1 0 0 3 0 4
237 Heating Systems 1 1 0 1 1 4
279 Chucks or Sockets 2 1 1 0 0 4
298 Land Vehicles: Dumping 0 0 1 1 2 4
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 1 0 0 1 4
412 Bookbinding: Process and Apparatus 1 2 0 0 1 4
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 2 1 1 4
504 Plant Protecting and Regulating Compositions 0 3 1 0 0 4
012 Boot and Shoe Making 1 0 1 1 0 3
172 Earth Working 1 1 0 0 1 3
266 Metallurgical Apparatus 0 2 0 0 1 3
301 Land Vehicles: Wheels and Axles 1 0 0 0 2 3
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 2 0 0 3
494 Imperforate Bowl: Centrifugal Separators 0 2 0 0 1 3
026 Textiles: Cloth Finishing 1 0 0 0 1 2
027 Undertaking 1 1 0 0 0 2
038 Textiles: Ironing or Smoothing 0 0 1 1 0 2
071 Chemistry: Fertilizers 1 1 0 0 0 2
086 Ammunition and Explosive-Charge Making 0 0 2 0 0 2
091 Motors: Expansible Chamber Type 1 0 1 0 0 2
194 Check-Actuated Control Mechanisms 0 0 2 0 0 2
202 Distillation: Apparatus 2 0 0 0 0 2
213 Railway Draft Appliances 2 0 0 0 0 2
373 Industrial Electric Heating Furnaces 1 0 0 0 1 2
388 Electricity: Motor Control Systems 0 0 1 0 1 2
407 Cutters, for Shaping 1 1 0 0 0 2
420 Alloys or Metallic Compositions 0 1 1 0 0 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 1 2
588 Hazardous or Toxic Waste Destruction or Containment 0 1 0 1 0 2
019 Textiles: Fiber Preparation 0 0 1 0 0 1
023 Chemistry: Physical Processes 0 0 0 1 0 1
057 Textiles: Spinning, Twisting, and Twining 0 0 0 0 1 1
069 Leather Manufactures 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 0 1 0 0 1
109 Safes, Bank Protection, or a Related Device 1 0 0 0 0 1
111 Planting 0 0 1 0 0 1
157 Wheelwright Machines 0 0 0 0 1 1
173 Tool Driving or Impacting 0 1 0 0 0 1
178 Telegraphy 1 0 0 0 0 1
186 Merchandising 1 0 0 0 0 1
191 Electricity: Transmission To Vehicles 0 1 0 0 0 1
217 Wooden Receptacles 0 0 0 0 1 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 1 0 1
226 Advancing Material of Indeterminate Length 0 0 0 1 0 1
289 Knots and Knot Tying 0 0 0 0 1 1
305 Wheel Substitutes for Land Vehicles 0 0 0 0 1 1
329 Demodulators 1 0 0 0 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 0 0 1 1
419 Powder Metallurgy Processes 0 0 0 0 1 1
453 Coin Handling 1 0 0 0 0 1
460 Crop Threshing or Separating 0 0 0 0 1 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 0 0 0 1 1
483 Tool Changing 0 1 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 0 0 0 0 1
512 Perfume Compositions 0 0 0 1 0 1
720 Dynamic Optical Information Storage or Retrieval 1 0 0 0 0 1
ALL ALL CLASSES 5846 4703 5628 5006 4885 26068


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Electronic Information Products Division - PTMT
P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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