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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 1998 - 2002 Utility Patent Grants,
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

CANADA

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 1998 1999 2000 2001 2002 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 205 217 199 196 215 1032
435 Chemistry: Molecular Biology and Microbiology 98 125 116 132 117 588
370 Multiplex Communications 31 63 71 88 96 349
052 Static Structures (e.g., Buildings) 74 63 58 78 52 325
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 36 44 49 74 64 267
455 Telecommunications 37 72 69 51 29 258
210 Liquid Purification or Separation 46 48 64 57 40 255
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 35 43 47 58 67 250
532 Organic Compounds (includes Classes 532-570) 51 53 44 38 47 233
428 Stock Material or Miscellaneous Articles 29 47 45 52 43 216
379 Telephonic Communications 42 51 50 35 33 211
340 Communications: Electrical 42 34 35 44 47 202
128 Surgery (includes Class 600) 28 32 41 50 47 198
359 Optics: Systems (Including Communication) and Elements 32 31 36 38 43 180
073 Measuring and Testing 34 28 38 43 35 178
280 Land Vehicles 30 36 42 35 35 178
385 Optical Waveguides 34 27 27 34 55 177
123 Internal-Combustion Engines 23 28 24 49 45 169
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 34 26 43 34 32 169
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 26 24 30 49 33 162
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 30 26 31 33 30 150
248 Supports (e.g., for holding articles, etc.) 24 19 31 36 34 144
375 Pulse or Digital Communications 33 23 21 36 25 138
250 Radiant Energy 25 25 25 33 22 130
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 27 25 31 26 21 130
414 Material or Article Handling 31 25 33 18 20 127
029 Metal Working 18 24 34 23 26 125
137 Fluid Handling 21 30 25 21 22 119
219 Electric Heating 14 21 30 24 27 116
356 Optics: Measuring and Testing 23 28 23 16 21 111
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 12 18 24 27 29 110
324 Electricity: Measuring and Testing 20 16 24 19 25 104
439 Electrical Connectors 18 17 27 26 16 104
473 Games Using Tangible Projectile 22 24 22 22 14 104
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 19 22 18 24 21 104
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 15 15 23 22 24 99
002 Apparel 15 26 19 21 17 98
297 Chairs and Seats 10 17 27 21 22 97
206 Special Receptacle or Package 21 23 26 12 14 96
361 Electricity: Electrical Systems and Devices 17 17 17 12 32 95
172 Earth Working 17 12 16 35 14 94
707 DP: Database and File Management or Data Structures (Data Processing) 10 14 19 21 30 94
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 15 20 16 25 15 91
382 Image Analysis 17 17 17 16 23 90
106 Compositions: Coating or Plastic 16 24 19 15 15 89
119 Animal Husbandry 15 14 15 17 28 89
296 Land Vehicles: Bodies and Tops 12 19 18 23 17 89
405 Hydraulic and Earth Engineering 22 19 13 11 23 88
222 Dispensing (apparatus and process) 17 22 19 11 17 86
004 Baths, Closets, Sinks, and Spittoons 12 20 23 13 17 85
015 Brushing, Scrubbing, and General Cleaning 15 15 20 20 15 85
204 Chemistry: Electrical and Wave Energy 4 16 21 22 22 85
423 Chemistry of Inorganic Compounds 18 14 18 15 20 85
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 10 23 18 17 16 84
062 Refrigeration 20 13 12 19 18 82
114 Ships 15 14 16 15 21 81
198 Conveyors: Power-Driven 12 15 9 23 22 81
427 Coating Processes 15 10 15 16 24 80
220 Receptacles 10 24 16 21 8 79
606 Surgery (instruments) 17 16 14 19 13 79
713 Support (Electrical Computers and Digital Processing Systems) 8 9 18 19 23 77
053 Package Making 15 7 20 22 11 75
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 11 15 14 12 23 75
426 Food or Edible Material: Processes, Compositions, and Products 13 17 17 15 13 75
144 Woodworking 17 16 18 7 16 74
343 Communications: Radio Wave Antennas 5 18 16 17 18 74
362 Illumination 15 15 20 15 9 74
348 Television 11 17 19 15 10 72
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 7 16 15 15 19 72
072 Metal Deforming 12 15 18 8 16 69
310 Electrical Generator or Motor Structure 16 19 5 14 12 66
415 Rotary Kinetic Fluid Motors or Pumps 14 10 11 19 12 66
604 Surgery (Medicators and Receptors) 14 13 11 18 9 65
040 Card, Picture, or Sign Exhibiting 13 6 19 15 11 64
162 Paper Making and Fiber Liberation 17 6 14 16 11 64
714 Error Detection/Correction and Fault Detection/Recovery 10 9 17 15 13 64
074 Machine Element or Mechanism 13 14 9 18 9 63
700 DP: Generic Control Systems or Specific Applications (Data Processing) 17 13 9 9 15 63
060 Power Plants 6 6 17 27 6 62
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 9 17 7 13 16 62
134 Cleaning and Liquid Contact with Solids 12 9 13 7 21 62
239 Fluid Sprinkling, Spraying, and Diffusing 12 14 17 12 6 61
365 Static Information Storage and Retrieval 14 15 13 10 9 61
049 Movable or Removable Closures 6 12 12 17 13 60
180 Motor Vehicles 6 10 10 22 12 60
056 Harvesters 10 17 11 9 11 58
083 Cutting 11 14 14 14 5 58
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 13 12 8 14 11 58
005 Beds 15 7 13 15 7 57
126 Stoves and Furnaces 9 16 15 10 6 56
174 Electricity: Conductors and Insulators 12 9 9 9 17 56
175 Boring or Penetrating the Earth 8 6 16 16 10 56
702 DP: Measuring, Calibrating, or Testing (Data Processing) 7 10 7 7 24 55
251 Valves and Valve Actuation 10 11 10 11 12 54
273 Amusement Devices: Games 12 9 6 12 15 54
294 Handling: Hand and Hoist-Line Implements 11 12 9 11 10 53
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 8 10 13 11 11 53
211 Supports: Racks 15 13 7 5 12 52
333 Wave Transmission Lines and Networks 10 10 12 9 10 51
436 Chemistry: Analytical and Immunological Testing 6 9 7 15 14 51
241 Solid Material Comminution or Disintegration 12 9 14 5 10 50
482 Exercise Devices 11 9 5 15 10 50
034 Drying and Gas or Vapor Contact with Solids 11 8 11 8 11 49
341 Coded Data Generation or Conversion 5 11 10 11 12 49
047 Plant Husbandry 9 7 13 12 7 48
330 Amplifiers 6 6 13 16 7 48
433 Dentistry 10 9 6 17 5 47
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 8 6 8 12 12 46
431 Combustion 12 15 7 5 7 46
099 Foods and Beverages: Apparatus 10 9 10 7 9 45
347 Incremental Printing of Symbolic Information 7 3 9 11 15 45
148 Metal Treatment 5 10 12 6 11 44
182 Fire Escape, Ladder, or Scaffold 10 12 6 8 8 44
318 Electricity: Motive Power Systems 9 7 8 10 10 44
380 Cryptography 8 9 13 7 7 44
381 Electrical Audio Signal Processing Systems and Devices 14 7 8 8 7 44
717 DP: Software Development, Installation, and Management (Data Processing) 9 5 8 13 9 44
242 Winding, Tensioning, or Guiding 9 11 6 11 6 43
081 Tools 4 13 7 9 9 42
160 Flexible or Portable Closure, Partition, or Panel 3 9 9 9 12 42
084 Music 7 9 13 7 5 41
224 Package and Article Carriers 7 9 10 8 7 41
451 Abrading 7 9 10 5 10 41
254 Implements or Apparatus for Applying Pushing or Pulling Force 5 10 9 7 9 40
454 Ventilation 12 3 10 8 7 40
036 Boots, Shoes, and Leggings 5 8 7 11 8 39
138 Pipes and Tubular Conduits 11 7 9 5 7 39
165 Heat Exchange 10 9 3 12 5 39
208 Mineral Oils: Processes and Products 10 9 7 5 8 39
312 Supports: Cabinet Structure 6 8 9 8 8 39
315 Electric Lamp and Discharge Devices: Systems 5 6 12 9 7 39
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 4 7 5 11 12 39
033 Geometrical Instruments 6 2 11 10 9 38
070 Locks 10 9 9 8 2 38
111 Planting 4 6 7 15 6 38
372 Coherent Light Generators 10 3 11 9 5 38
438 Semiconductor Device Manufacturing: Process 7 7 12 11 1 38
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 7 7 11 7 6 38
016 Miscellaneous Hardware 6 7 6 8 10 37
095 Gas Separation: Processes 3 2 11 10 11 37
363 Electric Power Conversion Systems 7 3 8 9 10 37
366 Agitating (e.g., of articles and materials) 12 7 7 9 2 37
417 Pumps 4 7 10 8 7 36
024 Buckles, Buttons, Clasps, Etc. 8 9 9 5 4 35
209 Classifying, Separating, and Assorting Solids 9 6 10 8 2 35
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 7 8 6 6 7 34
404 Road Structure, Process, or Apparatus 7 6 9 5 7 34
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 6 5 11 10 2 34
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 6 5 8 11 34
711 Memory (Electrical Computers and Digital Processing Systems) 4 2 7 13 8 34
135 Tent, Canopy, Umbrella, or Cane 5 5 8 7 8 33
188 Brakes 4 7 4 8 10 33
244 Aeronautics 7 5 4 4 13 33
252 Compositions 8 6 4 4 11 33
292 Closure Fasteners 4 7 9 2 11 33
607 Surgery: Light, Thermal, and Electrical Application 6 3 8 8 8 33
307 Electrical Transmission or Interconnection Systems 3 7 5 11 6 32
403 Joints and Connections 7 8 7 4 6 32
434 Education and Demonstration 9 3 6 5 9 32
446 Amusement Devices: Toys 6 12 6 4 4 32
285 Pipe Joints or Couplings 4 6 3 8 10 31
037 Excavating 8 3 3 8 8 30
043 Fishing, Trapping, and Vermin Destroying 3 11 8 4 4 30
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 3 9 5 9 4 30
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 5 4 3 10 8 30
710 Input/Output (Electrical Computers and Digital Processing Systems) 6 4 7 7 6 30
030 Cutlery 6 5 8 5 5 29
055 Gas Separation 2 5 4 8 9 28
108 Horizontally Supported Planar Surfaces 8 5 5 4 6 28
215 Bottles and Jars 6 6 8 2 5 27
229 Envelopes, Wrappers, and Paperboard Boxes 8 1 7 7 4 27
331 Oscillators 5 3 1 11 7 27
096 Gas Separation: Apparatus 3 3 4 6 10 26
440 Marine Propulsion 3 5 8 5 5 26
118 Coating Apparatus 6 5 4 7 3 25
351 Optics: Eye Examining, Vision Testing and Correcting 7 9 3 3 3 25
410 Freight Accommodation On Freight Carrier 4 3 4 10 4 25
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 10 5 5 4 25
463 Amusement Devices: Games 4 1 7 5 8 25
164 Metal Founding 3 4 4 4 9 24
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 4 6 4 5 5 24
323 Electricity: Power Supply or Regulation Systems 3 7 3 8 3 24
474 Endless Belt Power Transmission Systems or Components 1 7 4 6 6 24
228 Metal Fusion Bonding 2 4 7 6 4 23
320 Electricity: Battery or Capacitor Charging or Discharging 1 4 6 7 5 23
416 Fluid Reaction Surfaces (i.e., Impellers) 1 6 7 5 4 23
132 Toilet 3 6 8 3 2 22
221 Article Dispensing 4 3 9 4 2 22
105 Railway Rolling Stock 3 1 4 7 6 21
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 5 2 4 7 21
602 Surgery: Splint, Brace, or Bandage 5 3 6 3 4 21
706 DP: Artificial Intelligence (Data Processing) 7 1 6 2 5 21
101 Printing 5 5 4 4 2 20
277 Seal for a Joint or Juncture 5 5 5 3 2 20
326 Electronic Digital Logic Circuitry 3 1 6 5 5 20
014 Bridges 7 3 3 1 5 19
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 4 2 4 7 2 19
238 Railways: Surface Track 4 4 2 6 3 19
299 Mining or In Situ Disintegration of Hard Material 2 5 4 5 3 19
441 Buoys, Rafts, and Aquatic Devices 6 4 4 2 3 19
378 X-Ray or Gamma Ray Systems or Devices 2 2 2 6 6 18
504 Plant Protecting and Regulating Compositions 3 4 1 4 6 18
256 Fences 2 1 7 5 2 17
401 Coating Implements with Material Supply 3 6 1 5 2 17
507 Earth Boring, Well Treating, and Oil Field Chemistry 2 4 3 4 4 17
601 Surgery: Kinesitherapy 6 4 1 1 5 17
708 Arithmetic Processing and Calculating (Electrical Computers) 2 3 5 5 2 17
725 Interactive Video Distribution Systems 3 5 5 2 2 17
112 Sewing 5 4 3 4 0 16
131 Tobacco 5 1 4 2 4 16
181 Acoustics 4 3 4 2 3 16
237 Heating Systems 2 3 4 4 3 16
261 Gas and Liquid Contact Apparatus 2 4 4 5 1 16
266 Metallurgical Apparatus 4 5 2 3 2 16
367 Communications, Electrical: Acoustic Wave Systems and Devices 6 3 3 3 1 16
419 Powder Metallurgy Processes 2 4 5 2 3 16
089 Ordnance 1 3 0 5 6 15
110 Furnaces 3 2 6 4 0 15
122 Liquid Heaters and Vaporizers 4 3 1 1 6 15
269 Work Holders 5 1 4 2 3 15
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 5 3 2 2 3 15
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 2 3 6 3 1 15
200 Electricity: Circuit Makers and Breakers 7 2 3 0 2 14
042 Firearms 1 3 1 1 7 13
139 Textiles: Weaving 3 4 2 3 1 13
236 Automatic Temperature and Humidity Regulation 2 3 5 0 3 13
305 Wheel Substitutes for Land Vehicles 3 1 1 3 5 13
358 Facsimile and Static Presentation Processing 3 1 1 3 5 13
406 Conveyors: Fluid Current 1 0 0 9 3 13
408 Cutting by Use of Rotating Axially Moving Tool 2 1 5 2 3 13
452 Butchering 3 4 2 1 3 13
472 Amusement Devices 3 4 0 4 2 13
057 Textiles: Spinning, Twisting, and Twining 1 1 2 4 4 12
092 Expansible Chamber Devices 2 1 2 4 3 12
301 Land Vehicles: Wheels and Axles 1 4 2 2 3 12
368 Horology: Time Measuring Systems or Devices 4 4 1 2 1 12
384 Bearings 3 3 2 2 2 12
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 5 3 1 1 12
071 Chemistry: Fertilizers 3 0 3 5 0 11
169 Fire Extinguishers 1 3 2 4 1 11
173 Tool Driving or Impacting 2 0 4 4 1 11
192 Clutches and Power-Stop Control 3 0 3 1 4 11
194 Check-Actuated Control Mechanisms 1 5 3 1 1 11
226 Advancing Material of Indeterminate Length 1 1 1 4 4 11
271 Sheet Feeding or Delivering 0 4 4 1 2 11
283 Printed Matter 2 2 3 3 1 11
383 Flexible Bags 3 2 2 3 1 11
432 Heating 3 1 3 1 3 11
588 Hazardous or Toxic Waste Destruction or Containment 1 4 1 2 3 11
202 Distillation: Apparatus 2 4 2 0 2 10
290 Prime-Mover Dynamo Plants 2 0 2 2 4 10
374 Thermal Measuring and Testing 4 2 2 1 1 10
392 Electric Resistance Heating Devices 0 1 2 4 3 10
460 Crop Threshing or Separating 2 0 3 2 3 10
505 Superconductor Technology: Apparatus, Material, Process 2 3 2 1 2 10
585 Chemistry of Hydrocarbon Compounds 3 4 1 2 0 10
715 DP: Presentation Processing of Document (Data Processing) 2 2 1 4 1 10
044 Fuel and Related Compositions 1 3 2 3 0 9
100 Presses 3 2 0 2 2 9
102 Ammunition and Explosives 1 2 0 2 4 9
249 Static Molds 1 2 3 1 2 9
267 Spring Devices 1 2 1 2 3 9
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 3 2 0 2 9
399 Electrophotography 3 0 2 2 2 9
409 Gear Cutting, Milling, or Planing 3 4 2 0 0 9
418 Rotary Expansible Chamber Devices 2 0 3 1 3 9
116 Signals and Indicators 2 2 1 2 1 8
177 Weighing Scales 3 1 0 2 2 8
184 Lubrication 2 0 3 1 2 8
396 Photography 1 3 1 2 1 8
475 Planetary Gear Transmission Systems or Components 1 3 2 1 1 8
091 Motors: Expansible Chamber Type 0 0 1 3 3 7
104 Railways 3 0 0 0 4 7
124 Mechanical Guns and Projectors 2 1 0 1 3 7
203 Distillation: Processes, Separatory 1 2 1 0 3 7
336 Inductor Devices 5 1 1 0 0 7
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 2 1 3 1 7
494 Imperforate Bowl: Centrifugal Separators 3 2 1 1 0 7
065 Glass Manufacturing 0 2 1 2 1 6
082 Turning (e.g., for metal working) 1 2 1 2 0 6
149 Explosive and Thermic Compositions or Charges 1 2 1 0 2 6
227 Elongated-Member-Driving Apparatus 1 1 3 0 1 6
246 Railway Switches and Signals 1 1 1 2 1 6
281 Books, Strips, and Leaves 1 2 2 1 0 6
293 Vehicle Fenders 3 0 1 1 1 6
369 Dynamic Information Storage or Retrieval 3 2 0 0 1 6
501 Compositions: Ceramic 0 2 1 3 0 6
007 Compound Hand Tools 0 0 3 1 1 5
027 Undertaking 1 0 2 1 1 5
063 Jewelry 2 1 1 0 1 5
127 Sugar, Starch, and Carbohydrates 2 3 0 0 0 5
190 Trunks and Hand-Carried Luggage 2 0 0 3 0 5
212 Traversing Hoists 1 0 1 2 1 5
313 Electric Lamp and Discharge Devices 1 1 0 1 2 5
353 Optics: Image Projectors 1 2 2 0 0 5
355 Photocopying 1 0 0 2 2 5
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 1 3 0 5
400 Typewriting Machines 0 2 1 0 2 5
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 2 1 1 0 5
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 2 1 1 1 5
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 1 0 1 1 4
054 Harness (for animals) 0 1 0 1 2 4
066 Textiles: Knitting 1 1 1 0 1 4
136 Batteries: Thermoelectric and Photoelectric 0 2 1 1 0 4
193 Conveyors, Chutes, Skids, Guides, and Ways 0 1 0 3 0 4
279 Chucks or Sockets 0 1 0 2 1 4
337 Electricity: Electrothermally or Thermally Actuated Switches 3 0 0 1 0 4
349 Liquid Crystal Cells, Elements and Systems 0 2 0 2 0 4
373 Industrial Electric Heating Furnaces 1 2 0 0 1 4
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 1 0 3 4
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 2 1 4
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 1 2 0 0 4
001 ** Classification Undetermined ** 3 0 0 0 0 3
019 Textiles: Fiber Preparation 1 1 0 0 1 3
059 Chain, Staple, and Horseshoe Making 1 2 0 0 0 3
068 Textiles: Fluid Treating Apparatus 0 0 2 0 1 3
076 Metal Tools and Implements, Making 0 1 0 0 2 3
086 Ammunition and Explosive-Charge Making 1 0 0 0 2 3
109 Safes, Bank Protection, or a Related Device 1 0 1 0 1 3
152 Resilient Tires and Wheels 0 0 1 1 1 3
201 Distillation: Processes, Thermolytic 3 0 0 0 0 3
223 Apparel Apparatus 2 1 0 0 0 3
225 Severing by Tearing or Breaking 1 0 1 0 1 3
303 Fluid-Pressure and Analogous Brake Systems 1 1 0 0 1 3
360 Dynamic Magnetic Information Storage or Retrieval 1 2 0 0 0 3
412 Bookbinding: Process and Apparatus 0 1 0 2 0 3
450 Foundation Garments 0 0 1 1 1 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 1 0 1 0 3
023 Chemistry: Physical Processes 0 0 0 2 0 2
028 Textiles: Manufacturing 0 2 0 0 0 2
051 Abrasive Tool Making Process, Material, or Composition 1 0 1 0 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 0 0 0 0 2
142 Wood Turning 0 1 0 1 0 2
191 Electricity: Transmission To Vehicles 1 0 0 1 0 2
298 Land Vehicles: Dumping 0 0 1 0 1 2
332 Modulators 2 0 0 0 0 2
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 1 1 0 0 2
338 Electrical Resistors 0 1 1 0 0 2
462 Books, Strips, and Leaves for Manifolding 0 0 1 1 0 2
477 Interrelated Power Delivery Controls, Including Engine Control 0 1 0 1 0 2
012 Boot and Shoe Making 0 0 0 1 0 1
026 Textiles: Cloth Finishing 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 1 0 0 0 1
048 Gas: Heating and Illuminating 0 0 0 1 0 1
069 Leather Manufactures 0 0 0 0 1 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 0 1 1
125 Stone Working 0 1 0 0 0 1
140 Wireworking 1 0 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 1 0 0 0 1
157 Wheelwright Machines 0 0 1 0 0 1
159 Concentrating Evaporators 0 0 0 1 0 1
168 Farriery 0 0 1 0 0 1
171 Unearthing Plants or Buried Objects 0 0 0 0 1 1
185 Motors: Spring, Weight, or Animal Powered 0 0 0 1 0 1
216 Etching a Substrate: Processes 0 0 0 0 1 1
217 Wooden Receptacles 0 1 0 0 0 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 1 0 0 1
231 Whips and Whip Apparatus 0 0 0 0 1 1
232 Deposit and Collection Receptacles 0 1 0 0 0 1
270 Sheet-Material Associating 0 0 1 0 0 1
322 Electricity: Single Generator Systems 0 0 0 1 0 1
329 Demodulators 0 0 1 0 0 1
352 Optics: Motion Pictures 0 0 1 0 0 1
388 Electricity: Motor Control Systems 0 1 0 0 0 1
407 Cutters, for Shaping 0 1 0 0 0 1
420 Alloys or Metallic Compositions 0 0 0 0 1 1
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 0 0 0 1
453 Coin Handling 0 0 0 1 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 0 1 0 0 1
492 Roll or Roller 0 1 0 0 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 0 1
ALL ALL CLASSES 2974 3226 3419 3606 3431 16656


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