U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1996 - 2000 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')
 
Class Class Title 1996 1997 1998 1999 2000 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 113 139 205 217 198 872
435 Chemistry: Molecular Biology and Microbiology 46 58 98 125 117 444
052 Static Structures (e.g., Buildings) 60 66 74 63 58 321
210 Liquid Purification or Separation 61 45 46 48 64 264
532 Organic Compounds (includes Classes 532-570) 33 46 51 53 44 227
455 Telecommunications 28 17 37 72 71 225
370 Multiplex Communications 29 27 31 62 71 220
428 Stock Material or Miscellaneous Articles 32 47 29 47 45 200
379 Telephonic Communications 31 23 43 51 50 198
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 27 28 35 43 47 180
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 51 35 27 25 32 170
280 Land Vehicles 39 16 30 36 42 163
340 Communications: Electrical 22 27 41 35 33 158
128 Surgery (includes Class 600) 21 34 28 32 41 156
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 8 16 36 45 48 153
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 33 15 34 26 43 151
073 Measuring and Testing 25 23 34 28 38 148
359 Optics: Systems (Including Communication) and Elements 27 17 32 31 36 143
385 Optical Waveguides 15 25 34 27 27 128
414 Material or Article Handling 17 16 31 25 33 122
250 Radiant Energy 22 22 25 25 25 119
356 Optics: Measuring and Testing 17 26 23 28 22 116
248 Supports (e.g., for holding articles, etc.) 20 20 24 19 31 114
473 Games Using Tangible Projectile 22 24 22 24 22 114
123 Internal-Combustion Engines 26 12 23 28 24 113
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 13 13 30 26 31 113
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 16 16 26 24 30 112
375 Pulse or Digital Communications 13 17 33 23 21 107
029 Metal Working 8 18 18 24 34 102
137 Fluid Handling 10 16 21 30 25 102
002 Apparel 20 20 15 26 19 100
206 Special Receptacle or Package 12 14 21 23 25 95
324 Electricity: Measuring and Testing 20 14 20 16 24 94
219 Electric Heating 14 10 14 21 30 89
222 Dispensing (apparatus and process) 14 17 17 22 19 89
106 Compositions: Coating or Plastic 14 15 16 24 19 88
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 22 11 15 15 23 86
439 Electrical Connectors 11 12 18 17 27 85
297 Chairs and Seats 15 14 10 17 27 83
362 Illumination 15 18 15 15 20 83
405 Hydraulic and Earth Engineering 12 16 22 19 13 82
015 Brushing, Scrubbing, and General Cleaning 9 20 15 15 20 79
062 Refrigeration 15 19 20 13 12 79
144 Woodworking 12 15 17 16 18 78
220 Receptacles 14 14 10 24 16 78
361 Electricity: Electrical Systems and Devices 16 11 17 17 17 78
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 7 11 19 22 18 77
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 10 15 10 23 18 76
004 Baths, Closets, Sinks, and Spittoons 9 11 12 20 23 75
423 Chemistry of Inorganic Compounds 10 14 18 14 18 74
162 Paper Making and Fiber Liberation 17 17 17 6 14 71
700 DP: Generic Control Systems or Specific Applications (Data Processing) 15 16 17 13 9 70
606 Surgery (instruments) 8 14 17 16 14 69
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 8 9 15 20 16 68
296 Land Vehicles: Bodies and Tops 7 11 12 19 18 67
426 Food or Edible Material: Processes, Compositions, and Products 8 11 13 17 18 67
119 Animal Husbandry 12 10 15 14 15 66
604 Surgery (Medicators and Receptors) 8 20 14 13 11 66
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 4 8 12 18 24 66
053 Package Making 12 10 15 7 20 64
348 Television 7 10 11 17 19 64
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 5 12 11 15 20 63
427 Coating Processes 8 14 15 10 15 62
114 Ships 10 6 15 14 16 61
239 Fluid Sprinkling, Spraying, and Diffusing 6 12 12 14 17 61
072 Metal Deforming 7 8 12 15 18 60
126 Stoves and Furnaces 9 11 9 16 15 60
204 Chemistry: Electrical and Wave Energy 9 11 4 16 20 60
382 Image Analysis 3 6 17 17 17 60
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 7 19 13 12 8 59
241 Solid Material Comminution or Disintegration 13 11 12 9 14 59
172 Earth Working 7 6 17 12 16 58
040 Card, Picture, or Sign Exhibiting 6 13 13 6 19 57
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 16 10 8 10 13 57
074 Machine Element or Mechanism 7 13 13 14 9 56
198 Conveyors: Power-Driven 11 9 12 15 9 56
211 Supports: Racks 9 12 15 13 7 56
273 Amusement Devices: Games 7 22 12 9 6 56
005 Beds 8 12 15 7 13 55
294 Handling: Hand and Hoist-Line Implements 6 15 11 12 9 53
310 Electrical Generator or Motor Structure 1 12 16 19 5 53
365 Static Information Storage and Retrieval 5 6 14 15 13 53
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 10 9 9 17 7 52
083 Cutting 7 6 11 14 14 52
174 Electricity: Conductors and Insulators 14 7 12 9 9 51
099 Foods and Beverages: Apparatus 7 14 10 9 10 50
714 Error Detection/Correction and Fault Detection/Recovery 4 10 10 9 17 50
056 Harvesters 5 6 10 17 11 49
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 5 3 11 15 14 48
343 Communications: Radio Wave Antennas 3 6 5 18 16 48
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 4 5 7 16 15 47
134 Cleaning and Liquid Contact with Solids 8 4 12 9 13 46
431 Combustion 6 6 12 15 7 46
436 Chemistry: Analytical and Immunological Testing 11 12 6 9 7 45
451 Abrading 7 11 8 9 10 45
175 Boring or Penetrating the Earth 8 6 8 6 16 44
702 DP: Measuring, Calibrating, or Testing (Data Processing) 10 10 7 10 7 44
034 Drying and Gas or Vapor Contact with Solids 6 7 11 8 11 43
049 Movable or Removable Closures 4 9 6 12 12 43
047 Plant Husbandry 8 5 9 7 13 42
242 Winding, Tensioning, or Guiding 5 11 9 11 6 42
333 Wave Transmission Lines and Networks 3 7 10 10 12 42
381 Electrical Audio Signal Processing Systems and Devices 6 7 14 7 8 42
403 Joints and Connections 7 13 7 8 7 42
713 Support (Electrical Computers and Digital Processing Systems) 3 4 8 9 18 42
043 Fishing, Trapping, and Vermin Destroying 10 9 3 11 8 41
060 Power Plants 5 7 6 6 17 41
070 Locks 3 10 10 9 9 41
254 Implements or Apparatus for Applying Pushing or Pulling Force 6 11 5 10 9 41
182 Fire Escape, Ladder, or Scaffold 6 6 10 12 6 40
433 Dentistry 6 9 10 9 6 40
084 Music 8 2 7 9 13 39
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 10 8 7 8 6 39
380 Cryptography 6 2 8 9 14 39
415 Rotary Kinetic Fluid Motors or Pumps 2 2 14 10 11 39
180 Motor Vehicles 7 5 6 10 10 38
208 Mineral Oils: Processes and Products 5 7 10 9 7 38
251 Valves and Valve Actuation 3 4 10 11 10 38
454 Ventilation 5 8 12 3 10 38
482 Exercise Devices 7 6 11 9 5 38
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 7 13 3 9 5 37
160 Flexible or Portable Closure, Partition, or Panel 8 9 3 9 8 37
165 Heat Exchange 9 6 10 9 3 37
224 Package and Article Carriers 7 4 7 9 10 37
024 Buckles, Buttons, Clasps, Etc. 5 5 8 9 9 36
138 Pipes and Tubular Conduits 5 4 11 7 9 36
312 Supports: Cabinet Structure 7 6 6 8 9 36
417 Pumps 5 10 4 7 10 36
108 Horizontally Supported Planar Surfaces 8 9 8 5 5 35
341 Coded Data Generation or Conversion 3 6 5 11 10 35
372 Coherent Light Generators 6 5 10 3 11 35
446 Amusement Devices: Toys 7 4 6 12 6 35
209 Classifying, Separating, and Assorting Solids 5 4 9 6 10 34
292 Closure Fasteners 9 5 4 7 9 34
366 Agitating (e.g., of articles and materials) 3 5 12 7 7 34
404 Road Structure, Process, or Apparatus 8 4 7 6 9 34
438 Semiconductor Device Manufacturing: Process 6 2 7 7 12 34
148 Metal Treatment 0 6 5 10 12 33
318 Electricity: Motive Power Systems 7 2 9 7 8 33
710 Input/Output (Electrical Computers and Digital Processing Systems) 5 10 7 4 7 33
033 Geometrical Instruments 6 7 6 2 11 32
717 DP: Software Development, Installation, and Management (Data Processing) 4 6 9 5 8 32
081 Tools 5 2 4 13 7 31
252 Compositions 7 6 8 6 4 31
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 4 2 7 7 10 30
037 Excavating 7 8 8 3 3 29
330 Amplifiers 4 0 6 6 13 29
307 Electrical Transmission or Interconnection Systems 4 9 3 7 5 28
016 Miscellaneous Hardware 5 3 6 7 6 27
188 Brakes 7 5 4 7 4 27
315 Electric Lamp and Discharge Devices: Systems 2 2 5 6 12 27
347 Incremental Printing of Symbolic Information 5 3 7 3 9 27
351 Optics: Eye Examining, Vision Testing and Correcting 5 3 7 9 3 27
434 Education and Demonstration 6 3 9 3 6 27
030 Cutlery 3 4 6 5 8 26
036 Boots, Shoes, and Leggings 2 4 5 8 7 26
111 Planting 5 4 4 6 7 26
135 Tent, Canopy, Umbrella, or Cane 5 3 5 5 8 26
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 4 0 8 6 8 26
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 2 6 5 11 26
607 Surgery: Light, Thermal, and Electrical Application 4 5 6 3 8 26
215 Bottles and Jars 1 4 6 6 8 25
229 Envelopes, Wrappers, and Paperboard Boxes 3 6 8 1 7 25
244 Aeronautics 4 5 7 5 4 25
363 Electric Power Conversion Systems 3 4 7 3 8 25
221 Article Dispensing 5 3 4 3 9 24
602 Surgery: Splint, Brace, or Bandage 4 6 5 3 6 24
101 Printing 5 4 5 5 4 23
132 Toilet 2 4 3 6 8 23
164 Metal Founding 4 8 3 4 4 23
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 4 3 1 10 5 23
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 5 3 4 6 5 23
711 Memory (Electrical Computers and Digital Processing Systems) 4 6 4 2 7 23
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 3 4 6 4 22
277 Seal for a Joint or Juncture 2 5 5 5 5 22
323 Electricity: Power Supply or Regulation Systems 5 4 3 7 3 22
256 Fences 5 6 2 1 7 21
285 Pipe Joints or Couplings 5 3 4 6 3 21
320 Electricity: Battery or Capacitor Charging or Discharging 5 5 1 4 6 21
440 Marine Propulsion 0 5 3 5 8 21
474 Endless Belt Power Transmission Systems or Components 4 5 1 7 4 21
014 Bridges 6 1 7 3 3 20
131 Tobacco 5 5 5 1 4 20
266 Metallurgical Apparatus 2 7 4 5 2 20
367 Communications, Electrical: Acoustic Wave Systems and Devices 5 3 6 3 3 20
441 Buoys, Rafts, and Aquatic Devices 2 4 6 4 4 20
095 Gas Separation: Processes 2 1 3 2 11 19
096 Gas Separation: Apparatus 7 2 3 3 4 19
261 Gas and Liquid Contact Apparatus 4 5 2 4 4 19
416 Fluid Reaction Surfaces (i.e., Impellers) 4 1 1 6 7 19
112 Sewing 2 4 5 4 3 18
118 Coating Apparatus 0 3 6 5 4 18
228 Metal Fusion Bonding 3 2 2 4 7 18
463 Amusement Devices: Games 2 4 4 1 7 18
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 1 4 7 5 18
725 Interactive Video Distribution Systems 5 0 3 5 5 18
071 Chemistry: Fertilizers 5 6 3 0 3 17
181 Acoustics 5 1 4 3 4 17
299 Mining or In Situ Disintegration of Hard Material 5 1 2 5 4 17
331 Oscillators 4 4 5 3 1 17
419 Powder Metallurgy Processes 4 2 2 4 5 17
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 3 5 4 3 17
706 DP: Artificial Intelligence (Data Processing) 3 0 7 1 6 17
708 Arithmetic Processing and Calculating (Electrical Computers) 5 2 2 3 5 17
055 Gas Separation 2 3 2 5 4 16
200 Electricity: Circuit Makers and Breakers 1 3 7 2 3 16
601 Surgery: Kinesitherapy 3 2 6 4 1 16
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 3 2 2 3 6 16
110 Furnaces 3 1 3 2 6 15
122 Liquid Heaters and Vaporizers 5 2 4 3 1 15
326 Electronic Digital Logic Circuitry 5 0 3 1 6 15
384 Bearings 3 4 3 3 2 15
399 Electrophotography 5 5 3 0 2 15
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 3 5 3 2 15
374 Thermal Measuring and Testing 2 4 4 2 2 14
410 Freight Accommodation On Freight Carrier 3 0 4 3 4 14
102 Ammunition and Explosives 4 6 1 2 0 13
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 3 0 4 2 4 13
194 Check-Actuated Control Mechanisms 2 2 1 5 3 13
238 Railways: Surface Track 1 2 4 4 2 13
301 Land Vehicles: Wheels and Axles 2 4 1 4 2 13
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 4 2 3 2 13
401 Coating Implements with Material Supply 2 1 3 6 1 13
192 Clutches and Power-Stop Control 4 2 3 0 3 12
283 Printed Matter 1 4 2 2 3 12
368 Horology: Time Measuring Systems or Devices 1 2 4 4 1 12
432 Heating 2 3 3 1 3 12
452 Butchering 0 3 3 4 2 12
494 Imperforate Bowl: Centrifugal Separators 3 3 3 2 1 12
504 Plant Protecting and Regulating Compositions 4 0 3 4 1 12
505 Superconductor Technology: Apparatus, Material, Process 4 1 2 3 2 12
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 2 2 4 3 12
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 0 3 5 2 12
588 Hazardous or Toxic Waste Destruction or Containment 5 1 1 4 1 12
044 Fuel and Related Compositions 3 2 1 3 2 11
105 Railway Rolling Stock 3 0 3 1 4 11
236 Automatic Temperature and Humidity Regulation 1 0 2 3 5 11
237 Heating Systems 1 1 2 3 4 11
269 Work Holders 1 0 5 1 4 11
271 Sheet Feeding or Delivering 1 2 0 4 4 11
409 Gear Cutting, Milling, or Planing 1 1 3 4 2 11
418 Rotary Expansible Chamber Devices 5 1 2 0 3 11
475 Planetary Gear Transmission Systems or Components 3 2 1 3 2 11
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 0 2 5 3 11
139 Textiles: Weaving 1 0 3 4 2 10
303 Fluid-Pressure and Analogous Brake Systems 3 5 1 1 0 10
336 Inductor Devices 2 1 5 1 1 10
369 Dynamic Information Storage or Retrieval 5 0 3 2 0 10
383 Flexible Bags 2 1 3 2 2 10
408 Cutting by Use of Rotating Axially Moving Tool 0 2 2 1 5 10
116 Signals and Indicators 1 3 2 2 1 9
169 Fire Extinguishers 2 1 1 3 2 9
202 Distillation: Apparatus 1 0 2 4 2 9
358 Facsimile and Static Presentation Processing 4 0 3 1 1 9
396 Photography 2 2 1 3 1 9
460 Crop Threshing or Separating 4 0 2 0 3 9
585 Chemistry of Hydrocarbon Compounds 1 0 3 4 1 9
042 Firearms 1 2 1 3 1 8
057 Textiles: Spinning, Twisting, and Twining 3 1 1 1 2 8
100 Presses 1 2 3 2 0 8
149 Explosive and Thermic Compositions or Charges 3 1 1 2 1 8
203 Distillation: Processes, Separatory 4 0 1 2 1 8
249 Static Molds 1 1 1 2 3 8
392 Electric Resistance Heating Devices 4 1 0 1 2 8
472 Amusement Devices 0 1 3 4 0 8
104 Railways 2 2 3 0 0 7
124 Mechanical Guns and Projectors 0 4 2 1 0 7
177 Weighing Scales 0 3 3 1 0 7
184 Lubrication 0 2 2 0 3 7
227 Elongated-Member-Driving Apparatus 1 1 1 1 3 7
246 Railway Switches and Signals 1 3 1 1 1 7
267 Spring Devices 2 1 1 2 1 7
305 Wheel Substitutes for Land Vehicles 0 2 3 1 1 7
353 Optics: Image Projectors 2 0 1 2 2 7
378 X-Ray or Gamma Ray Systems or Devices 0 1 2 2 2 7
501 Compositions: Ceramic 2 2 0 2 1 7
001 ** Classification Undetermined ** 0 0 3 0 3 6
063 Jewelry 2 0 2 1 1 6
089 Ordnance 0 2 1 3 0 6
092 Expansible Chamber Devices 0 1 2 1 2 6
152 Resilient Tires and Wheels 3 2 0 0 1 6
173 Tool Driving or Impacting 0 0 2 0 4 6
281 Books, Strips, and Leaves 0 1 1 2 2 6
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 2 1 1 1 0 5
065 Glass Manufacturing 1 1 0 2 1 5
082 Turning (e.g., for metal working) 0 1 1 2 1 5
127 Sugar, Starch, and Carbohydrates 0 0 2 3 0 5
190 Trunks and Hand-Carried Luggage 0 3 2 0 0 5
226 Advancing Material of Indeterminate Length 0 2 1 1 1 5
293 Vehicle Fenders 0 1 3 0 1 5
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 0 1 1 2 5
007 Compound Hand Tools 0 1 0 0 3 4
076 Metal Tools and Implements, Making 2 1 0 1 0 4
136 Batteries: Thermoelectric and Photoelectric 0 1 0 2 1 4
150 Purses, Wallets, and Protective Covers 1 2 0 1 0 4
191 Electricity: Transmission To Vehicles 0 3 1 0 0 4
223 Apparel Apparatus 0 1 2 1 0 4
290 Prime-Mover Dynamo Plants 0 0 2 0 2 4
329 Demodulators 2 1 0 0 1 4
332 Modulators 1 1 2 0 0 4
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 1 0 1 1 4
337 Electricity: Electrothermally or Thermally Actuated Switches 0 1 3 0 0 4
349 Liquid Crystal Cells, Elements and Systems 1 1 0 2 0 4
373 Industrial Electric Heating Furnaces 1 0 1 2 0 4
400 Typewriting Machines 1 0 0 2 1 4
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 1 2 1 4
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 1 0 2 1 4
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 0 0 2 1 4
019 Textiles: Fiber Preparation 1 0 1 1 0 3
027 Undertaking 0 0 1 0 2 3
038 Textiles: Ironing or Smoothing 1 1 0 1 0 3
054 Harness (for animals) 1 1 0 1 0 3
059 Chain, Staple, and Horseshoe Making 0 0 1 2 0 3
066 Textiles: Knitting 0 0 1 1 1 3
068 Textiles: Fluid Treating Apparatus 0 1 0 0 2 3
086 Ammunition and Explosive-Charge Making 0 2 1 0 0 3
091 Motors: Expansible Chamber Type 2 0 0 0 1 3
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 1 2 0 0 3
125 Stone Working 0 2 0 1 0 3
140 Wireworking 1 1 1 0 0 3
201 Distillation: Processes, Thermolytic 0 0 3 0 0 3
212 Traversing Hoists 0 1 1 0 1 3
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 2 0 0 0 1 3
225 Severing by Tearing or Breaking 1 0 1 0 1 3
279 Chucks or Sockets 1 1 0 1 0 3
313 Electric Lamp and Discharge Devices 1 0 1 1 0 3
338 Electrical Resistors 0 1 0 1 1 3
355 Photocopying 0 2 1 0 0 3
360 Dynamic Magnetic Information Storage or Retrieval 0 0 1 2 0 3
028 Textiles: Manufacturing 0 0 0 2 0 2
109 Safes, Bank Protection, or a Related Device 0 0 1 0 1 2
142 Wood Turning 0 1 0 1 0 2
213 Railway Draft Appliances 2 0 0 0 0 2
270 Sheet-Material Associating 1 0 0 0 1 2
298 Land Vehicles: Dumping 0 1 0 0 1 2
352 Optics: Motion Pictures 1 0 0 0 1 2
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 0 1 1 2
406 Conveyors: Fluid Current 0 1 1 0 0 2
407 Cutters, for Shaping 1 0 0 1 0 2
420 Alloys or Metallic Compositions 2 0 0 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 0 1 0 2
449 Bee Culture (propagating, raising, caring for bees) 0 2 0 0 0 2
450 Foundation Garments 1 0 0 0 1 2
462 Books, Strips, and Leaves for Manifolding 0 1 0 0 1 2
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 1 0 0 1 2
492 Roll or Roller 0 1 0 1 0 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 1 1 0 2
012 Boot and Shoe Making 0 1 0 0 0 1
048 Gas: Heating and Illuminating 1 0 0 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 0 1 1
087 Textiles: Braiding, Netting, and Lace Making 1 0 0 0 0 1
157 Wheelwright Machines 0 0 0 0 1 1
168 Farriery 0 0 0 0 1 1
178 Telegraphy 0 1 0 0 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 0 1
216 Etching a Substrate: Processes 0 1 0 0 0 1
217 Wooden Receptacles 0 0 0 1 0 1
232 Deposit and Collection Receptacles 0 0 0 1 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 0 0 1 1
388 Electricity: Motor Control Systems 0 0 0 1 0 1
412 Bookbinding: Process and Apparatus 0 0 0 1 0 1
413 Sheet Metal Container Making 0 1 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 0 1
ALL ALL CLASSES 2232 2379 2974 3226 3419 14230



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: April 30, 2001