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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

CANADA

( 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
370 Multiplex Communications 151 133 153 152 202 791
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 160 125 170 152 152 759
455 Telecommunications 33 49 97 98 114 391
435 Chemistry: Molecular Biology and Microbiology 73 51 93 80 58 355
345 Computer Graphics Processing and Selective Visual Display Systems 44 48 59 76 63 290
385 Optical Waveguides 68 62 66 44 37 277
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 41 35 70 59 68 273
375 Pulse or Digital Communications 42 33 62 56 70 263
340 Communications: Electrical 44 42 54 37 46 223
250 Radiant Energy 48 25 52 40 55 220
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 36 37 49 53 41 216
532 Organic Compounds (includes Classes 532-570) 36 27 40 58 52 213
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 24 28 46 58 56 212
707 DP: Database and File Management or Data Structures (Data Processing) 35 19 44 46 57 201
128 Surgery (includes Class 600) 52 41 37 36 28 194
280 Land Vehicles 38 32 40 38 41 189
382 Image Analysis 21 18 40 40 68 187
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 57 33 32 27 33 182
210 Liquid Purification or Separation 32 38 36 29 44 179
379 Telephonic Communications 54 31 46 24 23 178
702 DP: Measuring, Calibrating, or Testing (Data Processing) 39 27 36 37 34 173
073 Measuring and Testing 24 33 37 24 41 159
123 Internal-Combustion Engines 27 37 41 35 19 159
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 35 43 33 22 20 153
713 Support (Electrical Computers and Digital Processing Systems) 13 20 38 37 45 153
398 Optical Communications 21 17 47 37 30 152
359 Optical: Systems and Elements 37 32 30 12 34 145
052 Static Structures (e.g., Buildings) 41 37 24 19 18 139
428 Stock Material or Miscellaneous Articles 48 20 29 26 15 138
324 Electricity: Measuring and Testing 34 24 27 27 24 136
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 20 20 20 33 39 132
362 Illumination 21 24 24 31 22 122
714 Error Detection/Correction and Fault Detection/Recovery 21 24 17 34 26 122
356 Optics: Measuring and Testing 33 19 27 20 22 121
029 Metal Working 23 21 29 24 23 120
297 Chairs and Seats 24 23 31 19 22 119
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 21 9 28 21 35 114
060 Power Plants 22 14 29 19 28 112
348 Television 18 13 27 25 23 106
439 Electrical Connectors 21 21 25 20 19 106
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 24 13 14 26 28 105
137 Fluid Handling 32 29 20 18 5 104
296 Land Vehicles: Bodies and Tops 28 18 13 24 20 103
711 Memory (Electrical Computers and Digital Processing Systems) 13 19 17 18 34 101
700 DP: Generic Control Systems or Specific Applications (Data Processing) 19 15 25 21 16 96
361 Electricity: Electrical Systems and Devices 22 11 22 21 19 95
343 Communications: Radio Wave Antennas 12 14 19 29 19 93
310 Electrical Generator or Motor Structure 15 24 20 17 14 90
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 8 14 14 16 37 89
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 12 15 19 23 20 89
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 22 17 19 14 16 88
180 Motor Vehicles 11 24 19 16 17 87
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 15 17 16 18 20 86
341 Coded Data Generation or Conversion 13 14 11 18 29 85
219 Electric Heating 15 17 19 15 14 80
717 DP: Software Development, Installation, and Management (Data Processing) 9 7 16 18 30 80
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 8 13 12 23 21 77
248 Supports (e.g., for holding articles, etc.) 16 7 18 20 13 74
318 Electricity: Motive Power Systems 14 8 21 19 12 74
002 Apparel 23 16 16 6 10 71
473 Games Using Tangible Projectile 10 11 20 15 15 71
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 13 13 20 11 13 70
381 Electrical Audio Signal Processing Systems and Devices 14 10 20 10 16 70
062 Refrigeration 5 13 12 25 14 69
414 Material or Article Handling 17 16 11 11 14 69
175 Boring or Penetrating the Earth 10 9 16 22 11 68
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 12 7 18 15 16 68
174 Electricity: Conductors and Insulators 16 11 8 14 16 65
114 Ships 8 12 10 15 19 64
119 Animal Husbandry 16 15 13 12 8 64
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 12 14 14 12 12 64
415 Rotary Kinetic Fluid Motors or Pumps 3 15 16 20 8 62
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 18 8 7 14 15 62
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 6 21 13 15 60
165 Heat Exchange 13 11 14 14 7 59
330 Amplifiers 15 13 14 7 10 59
005 Beds 8 20 13 10 5 56
198 Conveyors: Power-Driven 18 7 14 5 11 55
111 Planting 2 11 14 14 13 54
144 Woodworking 15 11 16 10 2 54
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 17 8 8 13 8 54
423 Chemistry of Inorganic Compounds 10 9 14 10 11 54
436 Chemistry: Analytical and Immunological Testing 15 9 10 10 10 54
710 Input/Output (Electrical Computers and Digital Processing Systems) 13 15 13 5 8 54
033 Geometrical Instruments 9 13 10 10 11 53
015 Brushing, Scrubbing, and General Cleaning 15 10 2 14 11 52
206 Special Receptacle or Package 15 14 10 5 7 51
438 Semiconductor Device Manufacturing: Process 9 12 12 7 11 51
606 Surgery (instruments) 12 7 8 9 15 51
365 Static Information Storage and Retrieval 14 4 12 12 8 50
405 Hydraulic and Earth Engineering 8 13 9 6 14 50
427 Coating Processes 19 10 5 9 7 50
083 Cutting 13 7 16 3 10 49
326 Electronic Digital Logic Circuitry 9 4 7 20 9 49
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 8 11 13 8 9 49
074 Machine Element or Mechanism 6 9 16 9 8 48
222 Dispensing (apparatus and process) 9 6 12 13 8 48
273 Amusement Devices: Games 9 9 10 9 11 48
726 Information Security 4 4 9 13 18 48
053 Package Making 12 10 8 8 9 47
072 Metal Deforming 9 9 14 11 4 47
380 Cryptography 8 6 9 10 13 46
416 Fluid Reaction Surfaces (i.e., Impellers) 3 9 6 18 10 46
333 Wave Transmission Lines and Networks 2 17 12 6 8 45
367 Communications, Electrical: Acoustic Wave Systems and Devices 6 11 5 12 11 45
241 Solid Material Comminution or Disintegration 8 7 12 11 6 44
307 Electrical Transmission or Interconnection Systems 7 3 5 18 11 44
426 Food or Edible Material: Processes, Compositions, and Products 15 8 9 7 5 44
239 Fluid Sprinkling, Spraying, and Diffusing 11 10 12 4 6 43
049 Movable or Removable Closures 17 8 5 5 7 42
454 Ventilation 13 11 7 6 5 42
004 Baths, Closets, Sinks, and Spittoons 18 6 6 8 3 41
211 Supports: Racks 13 8 8 7 5 41
252 Compositions 10 8 9 5 9 41
081 Tools 7 5 14 10 4 40
164 Metal Founding 7 9 9 5 10 40
188 Brakes 6 10 13 6 5 40
014 Bridges 15 6 10 5 3 39
162 Paper Making and Fiber Liberation 5 3 11 4 16 39
204 Chemistry: Electrical and Wave Energy 12 9 4 10 4 39
482 Exercise Devices 7 6 7 11 8 39
040 Card, Picture, or Sign Exhibiting 9 2 6 10 11 38
105 Railway Rolling Stock 3 12 9 7 7 38
404 Road Structure, Process, or Apparatus 8 6 11 8 5 38
106 Compositions: Coating or Plastic 11 7 4 3 12 37
244 Aeronautics and Astronautics 9 5 10 8 3 35
292 Closure Fasteners 10 4 5 11 5 35
372 Coherent Light Generators 12 3 7 5 8 35
172 Earth Working 12 7 7 2 6 34
220 Receptacles 12 10 6 4 2 34
047 Plant Husbandry 6 6 8 10 3 33
209 Classifying, Separating, and Assorting Solids 6 11 10 1 5 33
320 Electricity: Battery or Capacitor Charging or Discharging 4 3 7 11 8 33
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 5 4 8 5 11 33
410 Freight Accommodation On Freight Carrier 10 3 10 4 5 32
604 Surgery (Medicators and Receptors) 8 8 5 5 6 32
708 Arithmetic Processing and Calculating (Electrical Computers) 10 5 5 6 6 32
056 Harvesters 7 8 1 3 12 31
126 Stoves and Furnaces 8 9 6 4 4 31
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 10 7 4 7 3 31
251 Valves and Valve Actuation 7 8 7 4 5 31
366 Agitating (e.g., of articles and materials) 6 11 5 5 4 31
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 4 7 8 7 5 31
160 Flexible or Portable Closure, Partition, or Panel 13 5 9 2 1 30
254 Implements or Apparatus for Applying Pushing or Pulling Force 3 7 6 7 7 30
285 Pipe Joints or Couplings 3 11 5 3 8 30
378 X-Ray or Gamma Ray Systems or Devices 3 8 4 10 5 30
451 Abrading 7 2 9 4 8 30
182 Fire Escape, Ladder, or Scaffold 10 10 3 5 1 29
331 Oscillators 8 8 4 4 5 29
433 Dentistry 4 5 12 7 1 29
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 12 4 5 4 3 28
363 Electric Power Conversion Systems 9 4 3 6 6 28
037 Excavating 6 7 8 4 2 27
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 6 3 5 9 4 27
095 Gas Separation: Processes 6 2 10 4 5 27
134 Cleaning and Liquid Contact with Solids 4 6 8 4 5 27
138 Pipes and Tubular Conduits 6 3 13 2 3 27
181 Acoustics 8 9 3 1 6 27
347 Incremental Printing of Symbolic Information 7 3 5 10 2 27
706 DP: Artificial Intelligence (Data Processing) 2 6 5 7 7 27
315 Electric Lamp and Discharge Devices: Systems 4 7 2 4 9 26
096 Gas Separation: Apparatus 7 5 5 6 2 25
242 Winding, Tensioning, or Guiding 4 3 8 4 6 25
440 Marine Propulsion 5 8 4 4 4 25
016 Miscellaneous Hardware 6 8 5 3 2 24
036 Boots, Shoes, and Leggings 6 5 4 5 4 24
200 Electricity: Circuit Makers and Breakers 6 1 9 7 1 24
463 Amusement Devices: Games 7 3 3 4 7 24
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 6 7 6 2 3 24
034 Drying and Gas or Vapor Contact with Solids 7 4 7 2 3 23
305 Wheel Substitutes for Land Vehicles 5 4 6 5 3 23
358 Facsimile and Static Presentation Processing 4 1 8 7 3 23
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 5 5 7 5 1 23
084 Music 4 2 5 5 6 22
256 Fences 6 4 1 3 8 22
351 Optics: Eye Examining, Vision Testing and Correcting 7 7 3 1 4 22
441 Buoys, Rafts, and Aquatic Devices 1 5 4 7 5 22
030 Cutlery 8 3 4 4 2 21
055 Gas Separation 5 3 3 3 7 21
101 Printing 4 5 5 4 3 21
224 Package and Article Carriers 9 5 0 5 2 21
313 Electric Lamp and Discharge Devices 8 4 1 3 5 21
403 Joints and Connections 13 4 1 1 2 21
417 Pumps 4 4 5 3 5 21
607 Surgery: Light, Thermal, and Electrical Application 4 2 6 4 5 21
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 3 3 7 5 3 21
024 Buckles, Buttons, Clasps, Etc. 6 2 6 3 3 20
043 Fishing, Trapping, and Vermin Destroying 10 2 4 2 2 20
122 Liquid Heaters and Vaporizers 7 3 8 1 1 20
192 Clutches and Power-Stop Control 7 5 4 3 1 20
261 Gas and Liquid Contact Apparatus 7 3 6 3 1 20
290 Prime-Mover Dynamo Plants 4 4 3 4 5 20
386 Television Signal Processing for Dynamic Recording or Reproducing 7 3 1 4 4 19
434 Education and Demonstration 7 4 6 0 2 19
474 Endless Belt Power Transmission Systems or Components 2 4 7 5 1 19
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 4 4 5 2 4 19
139 Textiles: Weaving 3 3 5 3 4 18
070 Locks 5 3 4 2 3 17
099 Foods and Beverages: Apparatus 6 4 2 2 3 17
208 Mineral Oils: Processes and Products 3 1 5 4 4 17
271 Sheet Feeding or Delivering 3 3 2 2 7 17
322 Electricity: Single Generator Systems 0 3 6 7 1 17
353 Optics: Image Projectors 3 1 4 4 5 17
400 Typewriting Machines 1 2 7 5 2 17
312 Supports: Cabinet Structure 8 2 3 2 1 16
323 Electricity: Power Supply or Regulation Systems 4 5 0 3 4 16
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 2 6 3 3 16
472 Amusement Devices 6 5 3 1 1 16
475 Planetary Gear Transmission Systems or Components 3 4 4 2 3 16
236 Automatic Temperature and Humidity Regulation 4 3 2 5 1 15
392 Electric Resistance Heating Devices 1 4 2 4 4 15
092 Expansible Chamber Devices 2 3 3 2 4 14
116 Signals and Indicators 5 0 4 1 4 14
148 Metal Treatment 5 3 3 2 1 14
177 Weighing Scales 3 0 3 6 2 14
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 2 1 2 7 2 14
228 Metal Fusion Bonding 4 3 2 1 4 14
229 Envelopes, Wrappers, and Paperboard Boxes 3 5 2 2 2 14
431 Combustion 3 2 2 5 2 14
277 Seal for a Joint or Juncture 2 5 4 0 2 13
294 Handling: Hand and Hoist-Line Implements 0 2 3 3 5 13
368 Horology: Time Measuring Systems or Devices 3 2 3 2 3 13
401 Coating Implements with Material Supply 5 3 2 3 0 13
601 Surgery: Kinesitherapy 2 4 0 3 4 13
108 Horizontally Supported Planar Surfaces 5 2 3 1 1 12
110 Furnaces 5 2 2 2 1 12
135 Tent, Canopy, Umbrella, or Cane 1 2 4 2 3 12
266 Metallurgical Apparatus 4 0 5 0 3 12
374 Thermal Measuring and Testing 6 1 2 2 1 12
507 Earth Boring, Well Treating, and Oil Field Chemistry 3 3 2 1 3 12
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 3 2 4 1 12
100 Presses 2 1 1 3 4 11
221 Article Dispensing 2 4 3 1 1 11
269 Work Holders 1 4 4 1 1 11
299 Mining or In Situ Disintegration of Hard Material 2 3 0 3 3 11
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 1 3 2 3 11
336 Inductor Devices 2 4 1 3 1 11
446 Amusement Devices: Toys 2 1 4 1 3 11
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 0 1 3 6 11
725 Interactive Video Distribution Systems 3 3 2 2 1 11
173 Tool Driving or Impacting 3 2 0 2 3 10
384 Bearings 5 2 0 2 1 10
396 Photography 2 2 1 1 4 10
504 Plant Protecting and Regulating Compositions 3 4 0 2 1 10
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 4 0 0 3 10
044 Fuel and Related Compositions 3 1 0 3 2 9
089 Ordnance 3 3 0 2 1 9
104 Railways 4 1 0 4 0 9
124 Mechanical Guns and Projectors 1 2 1 3 2 9
212 Traversing Hoists 2 1 1 3 2 9
216 Etching a Substrate: Processes 2 2 2 0 3 9
237 Heating Systems 0 2 4 0 3 9
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 3 1 3 1 9
418 Rotary Expansible Chamber Devices 1 2 3 1 2 9
460 Crop Threshing or Separating 3 2 1 2 1 9
602 Surgery: Splint, Brace, or Bandage 2 1 2 2 2 9
267 Spring Devices 1 0 4 2 1 8
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 4 1 1 1 1 8
042 Firearms 2 2 1 0 2 7
071 Chemistry: Fertilizers 1 0 0 2 4 7
082 Turning (e.g., for metal working) 4 1 1 0 1 7
118 Coating Apparatus 1 1 1 2 2 7
227 Elongated-Member-Driving Apparatus 2 1 0 3 1 7
283 Printed Matter 3 1 1 1 1 7
352 Optics: Motion Pictures 1 1 2 3 0 7
373 Industrial Electric Heating Furnaces 2 0 1 4 0 7
399 Electrophotography 0 1 3 0 3 7
057 Textiles: Spinning, Twisting, and Twining 1 2 1 1 1 6
065 Glass Manufacturing 1 2 3 0 0 6
125 Stone Working 1 1 1 2 1 6
131 Tobacco 4 2 0 0 0 6
132 Toilet 1 0 1 3 1 6
270 Sheet-Material Associating 1 1 0 1 3 6
293 Vehicle Fenders 1 0 1 3 1 6
383 Flexible Bags 1 2 1 2 0 6
494 Imperforate Bowl: Centrifugal Separators 2 1 2 1 0 6
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 3 3 0 0 0 6
091 Motors: Expansible Chamber Type 1 1 1 2 0 5
184 Lubrication 1 0 2 0 2 5
298 Land Vehicles: Dumping 3 0 1 0 1 5
301 Land Vehicles: Wheels and Axles 1 2 0 0 2 5
303 Fluid-Pressure and Analogous Brake Systems 1 0 1 1 2 5
406 Conveyors: Fluid Current 1 1 0 1 2 5
408 Cutting by Use of Rotating Axially Moving Tool 0 1 2 1 1 5
409 Gear Cutting, Milling, or Planing 1 1 1 1 1 5
432 Heating 1 2 2 0 0 5
452 Butchering 0 1 0 3 1 5
007 Compound Hand Tools 1 2 0 1 0 4
112 Sewing 0 2 2 0 0 4
149 Explosive and Thermic Compositions or Charges 1 1 1 0 1 4
168 Farriery 1 1 0 1 1 4
169 Fire Extinguishers 0 0 2 1 1 4
215 Bottles and Jars 0 2 2 0 0 4
238 Railways: Surface Track 1 2 0 0 1 4
246 Railway Switches and Signals 0 2 1 1 0 4
249 Static Molds 0 3 0 1 0 4
279 Chucks or Sockets 2 0 0 1 1 4
369 Dynamic Information Storage or Retrieval 2 1 0 0 1 4
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 3 0 0 0 4
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 1 1 0 1 4
450 Foundation Garments 0 0 1 0 3 4
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 2 0 1 0 1 4
585 Chemistry of Hydrocarbon Compounds 0 0 2 0 2 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 1 1 0 3
054 Harness for Working Animal 0 0 2 0 1 3
063 Jewelry 0 1 0 1 1 3
086 Ammunition and Explosive-Charge Making 0 0 0 2 1 3
194 Check-Actuated Control Mechanisms 1 0 1 0 1 3
203 Distillation: Processes, Separatory 1 0 2 0 0 3
223 Apparel Apparatus 0 1 2 0 0 3
225 Severing by Tearing or Breaking 1 1 1 0 0 3
232 Deposit and Collection Receptacles 0 0 0 0 3 3
337 Electricity: Electrothermally or Thermally Actuated Switches 0 1 1 1 0 3
349 Liquid Crystal Cells, Elements and Systems 1 0 0 2 0 3
420 Alloys or Metallic Compositions 3 0 0 0 0 3
720 Dynamic Optical Information Storage or Retrieval 1 1 1 0 0 3
027 Undertaking 0 0 1 1 0 2
038 Textiles: Ironing or Smoothing 1 0 1 0 0 2
048 Gas: Heating and Illuminating 0 1 1 0 0 2
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 2 0 2
102 Ammunition and Explosives 1 0 1 0 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 1 1 0 2
140 Wireworking 1 0 0 1 0 2
150 Purses, Wallets, and Protective Covers 0 0 0 2 0 2
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 2 0 2
234 Selective Cutting (e.g., Punching) 0 2 0 0 0 2
291 Track Sanders 0 1 0 0 1 2
332 Modulators 0 0 2 0 0 2
338 Electrical Resistors 0 0 2 0 0 2
360 Dynamic Magnetic Information Storage or Retrieval 1 0 1 0 0 2
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 1 0 0 2
388 Electricity: Motor Control Systems 1 0 0 0 1 2
419 Powder Metallurgy Processes 0 0 2 0 0 2
483 Tool Changing 0 1 0 1 0 2
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 2 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 0 0 0 0 2
588 Hazardous or Toxic Waste Destruction or Containment 1 0 1 0 0 2
028 Textiles: Manufacturing 1 0 0 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 1 0 0 0 0 1
059 Chain, Staple, and Horseshoe Making 0 1 0 0 0 1
068 Textiles: Fluid Treating Apparatus 1 0 0 0 0 1
076 Metal Tools and Implements, Making 0 0 1 0 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 1 1
152 Resilient Tires and Wheels 0 1 0 0 0 1
157 Wheelwright Machines 0 0 0 1 0 1
186 Merchandising 0 0 0 1 0 1
190 Trunks and Hand-Carried Luggage 0 0 0 0 1 1
191 Electricity: Transmission To Vehicles 0 1 0 0 0 1
201 Distillation: Processes, Thermolytic 0 0 1 0 0 1
202 Distillation: Apparatus 0 0 0 0 1 1
226 Advancing Material of Indeterminate Length 0 1 0 0 0 1
231 Whips and Whip Apparatus 0 0 0 0 1 1
281 Books, Strips, and Leaves 0 0 0 1 0 1
329 Demodulators 1 0 0 0 0 1
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 0 0 0 0 1
407 Cutters, for Shaping 0 0 0 0 1 1
412 Bookbinding: Process and Apparatus 0 0 0 1 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 1 0 0 0 1
453 Coin Handling 0 0 1 0 0 1
462 Books, Strips, and Leaves for Manifolding 0 0 1 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 0 1 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 0 1
501 Compositions: Ceramic 0 1 0 0 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 1 0 0 0 1
ALL ALL CLASSES 3374 2894 3572 3318 3393 16551


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Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
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