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

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

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 196 215 210 160 125 906
370 Multiplex Communications 88 95 118 151 133 585
435 Chemistry: Molecular Biology and Microbiology 132 116 86 73 53 460
385 Optical Waveguides 34 55 56 68 62 275
345 Computer Graphics Processing and Selective Visual Display Systems 64 56 56 44 48 268
052 Static Structures (e.g., Buildings) 78 52 55 41 37 263
128 Surgery (includes Class 600) 50 47 63 52 41 253
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 58 67 38 57 33 253
210 Liquid Purification or Separation 57 40 42 33 38 210
455 Telecommunications 51 31 44 33 49 208
340 Communications: Electrical 44 46 21 44 42 197
123 Internal-Combustion Engines 49 45 38 27 37 196
379 Telephonic Communications 35 33 41 54 31 194
428 Stock Material or Miscellaneous Articles 52 43 29 47 20 191
073 Measuring and Testing 43 35 52 24 33 187
532 Organic Compounds (includes Classes 532-570) 38 47 38 36 27 186
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 49 33 30 36 37 185
280 Land Vehicles 35 35 37 38 32 177
250 Radiant Energy 33 22 46 48 25 174
375 Pulse or Digital Communications 36 25 29 42 33 165
359 Optics: Systems and Elements 28 28 31 37 32 156
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 22 24 28 35 43 152
707 DP: Database and File Management or Data Structures (Data Processing) 21 30 39 35 19 144
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 34 32 20 24 28 138
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 22 25 12 41 35 135
324 Electricity: Measuring and Testing 19 25 27 34 24 129
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 33 30 23 22 17 125
248 Supports (e.g., for holding articles, etc.) 36 34 31 16 7 124
702 DP: Measuring, Calibrating, or Testing (Data Processing) 7 24 27 39 27 124
356 Optics: Measuring and Testing 16 21 34 33 19 123
137 Fluid Handling 21 22 17 32 29 121
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 26 21 36 24 13 120
029 Metal Working 23 26 20 23 21 113
297 Chairs and Seats 21 22 22 24 23 112
296 Land Vehicles: Bodies and Tops 23 17 25 28 18 111
219 Electric Heating 24 27 20 15 17 103
361 Electricity: Electrical Systems and Devices 12 32 24 22 11 101
382 Image Analysis 16 23 22 21 18 100
198 Conveyors: Power-Driven 23 22 29 18 7 99
439 Electrical Connectors 26 16 15 21 21 99
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 25 16 16 20 20 97
119 Animal Husbandry 17 28 19 16 15 95
180 Motor Vehicles 22 12 26 11 24 95
002 Apparel 21 17 16 23 16 93
714 Error Detection/Correction and Fault Detection/Recovery 15 13 20 21 24 93
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 24 21 15 21 9 90
060 Power Plants 27 6 20 22 14 89
204 Chemistry: Electrical and Wave Energy 22 22 22 12 9 87
362 Illumination 15 9 16 21 24 85
015 Brushing, Scrubbing, and General Cleaning 20 15 23 15 10 83
398 Optical Communications 11 15 18 21 17 82
427 Coating Processes 16 24 12 19 10 81
414 Material or Article Handling 18 20 8 17 16 79
310 Electrical Generator or Motor Structure 14 12 13 15 24 78
606 Surgery (instruments) 19 13 27 12 7 78
062 Refrigeration 19 18 22 5 13 77
172 Earth Working 35 14 8 12 7 76
053 Package Making 22 11 20 12 10 75
426 Food or Edible Material: Processes, Compositions, and Products 15 13 24 15 8 75
700 DP: Generic Control Systems or Specific Applications (Data Processing) 9 15 17 19 15 75
604 Surgery (Medicators and Receptors) 18 9 31 8 8 74
436 Chemistry: Analytical and Immunological Testing 15 14 18 17 9 73
713 Support (Electrical Computers and Digital Processing Systems) 13 18 9 13 20 73
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 12 23 11 12 14 72
114 Ships 15 21 15 8 12 71
405 Hydraulic and Earth Engineering 11 23 16 8 13 71
423 Chemistry of Inorganic Compounds 15 20 17 10 9 71
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 17 16 11 13 13 70
343 Communications: Radio Wave Antennas 17 18 9 12 14 70
004 Baths, Closets, Sinks, and Spittoons 13 17 15 18 6 69
174 Electricity: Conductors and Insulators 9 17 16 16 11 69
206 Special Receptacle or Package 12 14 14 15 14 69
711 Memory (Electrical Computers and Digital Processing Systems) 13 8 16 13 19 69
473 Games Using Tangible Projectile 22 14 9 10 11 66
341 Coded Data Generation or Conversion 11 12 15 13 14 65
330 Amplifiers 16 7 13 15 13 64
348 Television 15 10 8 18 13 64
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 14 9 14 12 15 64
049 Movable or Removable Closures 17 13 7 17 8 62
144 Woodworking 7 16 13 15 11 62
220 Receptacles 21 8 11 12 10 62
415 Rotary Kinetic Fluid Motors or Pumps 19 12 13 3 15 62
273 Amusement Devices: Games 12 15 15 9 9 60
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 15 19 7 12 7 60
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 6 7 14 15 17 59
365 Static Information Storage and Retrieval 10 9 21 14 4 58
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 11 12 8 18 8 57
106 Compositions: Coating or Plastic 15 15 8 11 7 56
175 Boring or Penetrating the Earth 16 10 11 10 9 56
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 12 12 7 17 8 56
005 Beds 15 7 5 8 20 55
074 Machine Element or Mechanism 18 9 13 6 9 55
222 Dispensing (apparatus and process) 11 17 12 9 6 55
033 Geometrical Instruments 10 9 13 9 13 54
438 Semiconductor Device Manufacturing: Process 11 1 21 9 12 54
072 Metal Deforming 8 16 11 9 9 53
134 Cleaning and Liquid Contact with Solids 7 21 15 4 6 53
454 Ventilation 8 7 14 13 11 53
710 Input/Output (Electrical Computers and Digital Processing Systems) 7 6 11 13 15 52
040 Card, Picture, or Sign Exhibiting 15 11 13 9 2 50
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 14 11 8 10 7 50
318 Electricity: Motive Power Systems 10 10 8 14 8 50
333 Wave Transmission Lines and Networks 9 10 12 2 17 50
160 Flexible or Portable Closure, Partition, or Panel 9 12 10 13 5 49
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 11 11 8 8 11 49
482 Exercise Devices 15 10 11 7 6 49
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 13 16 10 6 3 48
211 Supports: Racks 5 12 10 13 8 48
251 Valves and Valve Actuation 11 12 10 7 8 48
056 Harvesters 9 11 12 7 8 47
083 Cutting 14 5 8 13 7 47
239 Fluid Sprinkling, Spraying, and Diffusing 12 6 8 11 10 47
717 DP: Software Development, Installation, and Management (Data Processing) 13 9 9 9 7 47
126 Stoves and Furnaces 10 6 12 8 9 45
165 Heat Exchange 12 5 4 13 11 45
347 Incremental Printing of Symbolic Information 11 15 8 7 3 44
381 Electrical Audio Signal Processing Systems and Devices 8 7 5 14 10 44
016 Miscellaneous Hardware 8 10 11 6 8 43
182 Fire Escape, Ladder, or Scaffold 8 8 7 10 10 43
162 Paper Making and Fiber Liberation 16 11 7 5 3 42
105 Railway Rolling Stock 7 6 13 3 12 41
188 Brakes 8 10 7 6 10 41
252 Compositions 4 11 8 10 8 41
285 Pipe Joints or Couplings 8 10 9 3 11 41
224 Package and Article Carriers 8 7 11 9 5 40
244 Aeronautics and Astronautics 4 13 9 9 5 40
363 Electric Power Conversion Systems 9 10 8 9 4 40
047 Plant Husbandry 12 7 8 6 6 39
111 Planting 15 6 5 2 11 39
241 Solid Material Comminution or Disintegration 5 10 9 8 7 39
331 Oscillators 11 7 5 8 8 39
372 Coherent Light Generators 9 5 9 12 3 38
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 8 11 6 6 7 38
081 Tools 9 9 7 7 5 37
315 Electric Lamp and Discharge Devices: Systems 9 7 10 4 7 37
095 Gas Separation: Processes 10 11 7 6 2 36
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 7 6 1 8 14 36
036 Boots, Shoes, and Leggings 11 8 5 6 5 35
037 Excavating 8 8 6 6 7 35
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 9 4 6 12 4 35
148 Metal Treatment 6 11 10 5 3 35
292 Closure Fasteners 2 11 8 10 4 35
410 Freight Accommodation On Freight Carrier 10 4 8 10 3 35
417 Pumps 8 8 11 4 4 35
433 Dentistry 17 5 4 4 5 35
096 Gas Separation: Apparatus 6 10 6 7 5 34
164 Metal Founding 4 9 5 7 9 34
403 Joints and Connections 4 6 7 13 4 34
034 Drying and Gas or Vapor Contact with Solids 8 11 3 7 4 33
254 Implements or Apparatus for Applying Pushing or Pulling Force 7 9 7 3 7 33
380 Cryptography 7 7 4 8 6 32
440 Marine Propulsion 5 5 9 5 8 32
014 Bridges 1 5 4 15 6 31
055 Gas Separation 8 9 6 5 3 31
307 Electrical Transmission or Interconnection Systems 11 6 4 7 3 31
312 Supports: Cabinet Structure 8 8 5 8 2 31
366 Agitating (e.g., of articles and materials) 9 2 2 6 12 31
404 Road Structure, Process, or Apparatus 5 7 5 8 6 31
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 10 8 3 5 5 31
209 Classifying, Separating, and Assorting Solids 8 2 3 6 11 30
320 Electricity: Battery or Capacitor Charging or Discharging 7 5 11 4 3 30
367 Communications, Electrical: Acoustic Wave Systems and Devices 3 1 9 6 11 30
378 X-Ray or Gamma Ray Systems or Devices 6 6 7 3 8 30
434 Education and Demonstration 5 9 5 7 4 30
030 Cutlery 5 5 8 8 3 29
043 Fishing, Trapping, and Vermin Destroying 4 4 9 10 2 29
242 Winding, Tensioning, or Guiding 11 6 5 4 3 29
326 Electronic Digital Logic Circuitry 5 5 6 9 4 29
084 Music 7 5 10 4 2 28
099 Foods and Beverages: Apparatus 7 9 2 6 4 28
181 Acoustics 2 3 6 8 9 28
463 Amusement Devices: Games 5 8 5 7 3 28
607 Surgery: Light, Thermal, and Electrical Application 8 8 6 4 2 28
294 Handling: Hand and Hoist-Line Implements 11 10 4 0 2 27
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 5 5 5 6 26
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 1 3 8 13 26
024 Buckles, Buttons, Clasps, Etc. 5 4 8 6 2 25
451 Abrading 5 10 1 7 2 25
138 Pipes and Tubular Conduits 5 7 3 6 3 24
416 Fluid Reaction Surfaces (i.e., Impellers) 5 4 3 3 9 24
726 Information Security 6 5 5 4 4 24
070 Locks 8 2 5 5 3 23
101 Printing 4 2 8 4 5 23
305 Wheel Substitutes for Land Vehicles 3 5 6 5 4 23
351 Optics: Eye Examining, Vision Testing and Correcting 3 3 3 7 7 23
474 Endless Belt Power Transmission Systems or Components 6 6 5 2 4 23
122 Liquid Heaters and Vaporizers 1 6 5 7 3 22
323 Electricity: Power Supply or Regulation Systems 8 3 2 4 5 22
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 4 7 4 3 4 22
708 Arithmetic Processing and Calculating (Electrical Computers) 5 2 0 10 5 22
228 Metal Fusion Bonding 6 4 4 4 3 21
256 Fences 5 2 4 6 4 21
431 Combustion 5 7 4 3 2 21
108 Horizontally Supported Planar Surfaces 4 6 3 5 2 20
135 Tent, Canopy, Umbrella, or Cane 7 8 2 1 2 20
192 Clutches and Power-Stop Control 1 4 3 7 5 20
208 Mineral Oils: Processes and Products 5 8 3 3 1 20
229 Envelopes, Wrappers, and Paperboard Boxes 7 4 1 3 5 20
261 Gas and Liquid Contact Apparatus 5 1 4 7 3 20
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 5 4 7 1 3 20
504 Plant Protecting and Regulating Compositions 4 6 3 3 4 20
089 Ordnance 5 6 2 3 3 19
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 3 1 7 4 4 19
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 10 2 2 2 3 19
277 Seal for a Joint or Juncture 3 2 6 2 5 18
313 Electric Lamp and Discharge Devices 1 2 3 8 4 18
386 Television Signal Processing for Dynamic Recording or Reproducing 0 3 5 7 3 18
401 Coating Implements with Material Supply 5 2 3 5 3 18
472 Amusement Devices 4 2 1 6 5 18
706 DP: Artificial Intelligence (Data Processing) 2 5 3 2 6 18
221 Article Dispensing 4 2 5 2 4 17
271 Sheet Feeding or Delivering 1 2 8 3 3 17
299 Mining or In Situ Disintegration of Hard Material 5 3 4 2 3 17
507 Earth Boring, Well Treating, and Oil Field Chemistry 4 4 3 3 3 17
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 3 1 2 4 7 17
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 4 3 1 5 4 17
266 Metallurgical Apparatus 3 2 7 4 0 16
358 Facsimile and Static Presentation Processing 3 5 3 4 1 16
392 Electric Resistance Heating Devices 4 3 4 1 4 16
446 Amusement Devices: Toys 4 4 5 2 1 16
602 Surgery: Splint, Brace, or Bandage 3 4 6 2 1 16
118 Coating Apparatus 7 3 3 1 1 15
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 7 2 3 2 1 15
290 Prime-Mover Dynamo Plants 2 4 1 4 4 15
406 Conveyors: Fluid Current 9 3 1 1 1 15
441 Buoys, Rafts, and Aquatic Devices 2 3 4 1 5 15
601 Surgery: Kinesitherapy 1 5 3 2 4 15
042 Firearms 1 7 2 2 2 14
131 Tobacco 2 4 2 4 2 14
475 Planetary Gear Transmission Systems or Components 1 1 5 3 4 14
092 Expansible Chamber Devices 4 3 1 2 3 13
116 Signals and Indicators 2 1 5 5 0 13
177 Weighing Scales 2 2 6 3 0 13
236 Automatic Temperature and Humidity Regulation 0 3 3 4 3 13
238 Railways: Surface Track 6 3 1 1 2 13
269 Work Holders 2 3 3 1 4 13
384 Bearings 2 2 2 5 2 13
725 Interactive Video Distribution Systems 2 2 3 3 3 13
057 Textiles: Spinning, Twisting, and Twining 4 4 1 1 2 12
110 Furnaces 4 0 1 5 2 12
124 Mechanical Guns and Projectors 1 3 5 1 2 12
200 Electricity: Circuit Makers and Breakers 0 2 3 6 1 12
100 Presses 2 2 4 2 1 11
104 Railways 0 4 2 4 1 11
139 Textiles: Weaving 3 1 1 3 3 11
226 Advancing Material of Indeterminate Length 4 4 2 0 1 11
283 Printed Matter 3 1 2 4 1 11
408 Cutting by Use of Rotating Axially Moving Tool 2 3 5 0 1 11
102 Ammunition and Explosives 2 4 3 1 0 10
132 Toilet 3 2 4 1 0 10
173 Tool Driving or Impacting 4 1 0 3 2 10
374 Thermal Measuring and Testing 1 1 1 6 1 10
396 Photography 2 1 3 2 2 10
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 3 1 2 2 10
460 Crop Threshing or Separating 2 3 0 3 2 10
044 Fuel and Related Compositions 3 0 2 3 1 9
071 Chemistry: Fertilizers 5 0 3 1 0 9
215 Bottles and Jars 2 5 0 0 2 9
237 Heating Systems 4 3 0 0 2 9
249 Static Molds 1 2 3 0 3 9
301 Land Vehicles: Wheels and Axles 2 3 1 1 2 9
353 Optics: Image Projectors 0 0 5 3 1 9
368 Horology: Time Measuring Systems or Devices 2 1 1 3 2 9
383 Flexible Bags 3 1 2 1 2 9
418 Rotary Expansible Chamber Devices 1 3 2 1 2 9
432 Heating 1 3 2 1 2 9
246 Railway Switches and Signals 2 1 3 0 2 8
400 Typewriting Machines 0 2 3 1 2 8
419 Powder Metallurgy Processes 2 3 3 0 0 8
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 1 0 4 1 8
588 Hazardous or Toxic Waste Destruction or Containment 2 3 2 1 0 8
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 1 1 0 3 3 8
065 Glass Manufacturing 2 1 1 1 2 7
082 Turning (e.g., for metal working) 2 0 0 4 1 7
091 Motors: Expansible Chamber Type 3 2 0 1 1 7
112 Sewing 4 0 1 0 2 7
149 Explosive and Thermic Compositions or Charges 0 2 3 1 1 7
152 Resilient Tires and Wheels 1 1 4 0 1 7
203 Distillation: Processes, Separatory 0 3 3 1 0 7
212 Traversing Hoists 2 1 1 2 1 7
216 Etching a Substrate: Processes 0 1 2 2 2 7
267 Spring Devices 2 3 1 1 0 7
027 Undertaking 1 1 4 0 0 6
227 Elongated-Member-Driving Apparatus 0 1 2 2 1 6
279 Chucks or Sockets 2 1 1 2 0 6
298 Land Vehicles: Dumping 0 1 2 3 0 6
336 Inductor Devices 0 0 0 2 4 6
349 Liquid Crystal Cells, Elements and Systems 1 0 4 1 0 6
355 Photocopying 2 2 2 0 0 6
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 2 0 1 3 6
452 Butchering 1 3 1 0 1 6
007 Compound Hand Tools 1 1 0 1 2 5
076 Metal Tools and Implements, Making 0 2 3 0 0 5
169 Fire Extinguishers 4 1 0 0 0 5
184 Lubrication 1 2 1 1 0 5
225 Severing by Tearing or Breaking 0 1 2 1 1 5
322 Electricity: Single Generator Systems 1 0 1 0 3 5
399 Electrophotography 2 2 0 0 1 5
420 Alloys or Metallic Compositions 0 1 1 3 0 5
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 1 1 1 0 4
054 Harness for Working Animal 1 2 1 0 0 4
190 Trunks and Hand-Carried Luggage 3 0 1 0 0 4
193 Conveyors, Chutes, Skids, Guides, and Ways 3 0 1 0 0 4
194 Check-Actuated Control Mechanisms 1 1 1 1 0 4
303 Fluid-Pressure and Analogous Brake Systems 0 1 2 1 0 4
369 Dynamic Information Storage or Retrieval 0 1 0 2 1 4
373 Industrial Electric Heating Furnaces 0 1 1 2 0 4
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 3 0 0 0 1 4
409 Gear Cutting, Milling, or Planing 0 0 2 1 1 4
494 Imperforate Bowl: Centrifugal Separators 1 0 0 2 1 4
501 Compositions: Ceramic 3 0 0 0 1 4
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 1 2 0 4
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 1 1 1 0 4
023 Chemistry: Physical Processes 2 0 1 0 0 3
048 Gas: Heating and Illuminating 1 0 1 0 1 3
086 Ammunition and Explosive-Charge Making 0 2 1 0 0 3
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 3 0 0 3
168 Farriery 0 0 1 1 1 3
270 Sheet-Material Associating 0 0 1 1 1 3
293 Vehicle Fenders 1 1 0 1 0 3
332 Modulators 0 0 3 0 0 3
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 2 1 3
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 0 1 1 0 3
505 Superconductor Technology: Apparatus, Material, Process 1 2 0 0 0 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 0 2 0 3
012 Boot and Shoe Making 1 0 1 0 0 2
063 Jewelry 0 1 0 0 1 2
066 Textiles: Knitting 0 1 1 0 0 2
068 Textiles: Fluid Treating Apparatus 0 1 0 1 0 2
087 Textiles: Braiding, Netting, and Lace Making 0 1 1 0 0 2
125 Stone Working 0 0 0 1 1 2
136 Batteries: Thermoelectric and Photoelectric 1 0 1 0 0 2
140 Wireworking 0 0 1 1 0 2
191 Electricity: Transmission To Vehicles 1 0 0 0 1 2
202 Distillation: Apparatus 0 2 0 0 0 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 2 0 0 2
234 Selective Cutting (e.g., Punching) 0 0 0 0 2 2
281 Books, Strips, and Leaves 1 0 1 0 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 1 0 0 0 1 2
352 Optics: Motion Pictures 0 0 0 1 1 2
412 Bookbinding: Process and Apparatus 2 0 0 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 0 1 1 2
449 Bee Culture (propagating, raising, caring for bees) 0 0 1 0 1 2
450 Foundation Garments 1 1 0 0 0 2
477 Interrelated Power Delivery Controls, Including Engine Control 1 0 1 0 0 2
585 Chemistry of Hydrocarbon Compounds 2 0 0 0 0 2
720 Dynamic Optical Information Storage or Retrieval 0 0 0 1 1 2
019 Textiles: Fiber Preparation 0 1 0 0 0 1
026 Textiles: Cloth Finishing 1 0 0 0 0 1
028 Textiles: Manufacturing 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 0 0 1 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 1 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 0 1 1
069 Leather Manufactures 0 1 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 1 0 0 0 1
142 Wood Turning 1 0 0 0 0 1
159 Concentrating Evaporators 1 0 0 0 0 1
171 Unearthing Plants or Buried Objects 0 1 0 0 0 1
185 Motors: Spring, Weight, or Animal Powered 1 0 0 0 0 1
186 Merchandising 0 0 1 0 0 1
223 Apparel Apparatus 0 0 0 0 1 1
231 Whips and Whip Apparatus 0 1 0 0 0 1
232 Deposit and Collection Receptacles 0 0 1 0 0 1
289 Knots and Knot Tying 0 0 1 0 0 1
291 Track Sanders 0 0 0 0 1 1
329 Demodulators 0 0 0 1 0 1
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 1 0 1
388 Electricity: Motor Control Systems 0 0 0 1 0 1
453 Coin Handling 1 0 0 0 0 1
462 Books, Strips, and Leaves for Manifolding 1 0 0 0 0 1
483 Tool Changing 0 0 0 0 1 1
492 Roll or Roller 0 0 1 0 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 0 1 1
ALL ALL CLASSES 3606 3431 3427 3374 2894 16732


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Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
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