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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

TAIWAN

( 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 610 447 490 421 441 2409
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 353 357 415 415 452 1992
439 Electrical Connectors 314 295 432 365 396 1802
361 Electricity: Electrical Systems and Devices 265 211 255 292 315 1338
362 Illumination 136 135 209 239 206 925
345 Computer Graphics Processing and Selective Visual Display Systems 90 84 148 145 175 642
365 Static Information Storage and Retrieval 78 85 94 137 153 547
081 Tools 83 112 147 104 75 521
349 Liquid Crystal Cells, Elements and Systems 78 90 107 80 116 471
343 Communications: Radio Wave Antennas 53 55 83 102 116 409
359 Optical: Systems and Elements 51 52 73 92 136 404
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 57 54 81 93 99 384
482 Exercise Devices 104 67 79 55 62 367
455 Telecommunications 34 56 92 94 77 353
369 Dynamic Information Storage or Retrieval 28 45 74 97 83 327
280 Land Vehicles 77 64 63 50 49 303
248 Supports (e.g., for holding articles, etc.) 63 48 39 48 61 259
324 Electricity: Measuring and Testing 49 52 59 42 57 259
375 Pulse or Digital Communications 22 16 56 84 76 254
029 Metal Working 47 39 63 42 54 245
165 Heat Exchange 52 52 76 35 29 244
315 Electric Lamp and Discharge Devices: Systems 39 34 52 68 51 244
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 52 51 68 36 36 243
710 Input/Output (Electrical Computers and Digital Processing Systems) 56 41 61 40 41 239
341 Coded Data Generation or Conversion 34 34 58 56 54 236
385 Optical Waveguides 55 33 54 44 43 229
297 Chairs and Seats 52 49 47 38 42 228
200 Electricity: Circuit Makers and Breakers 42 38 44 54 49 227
310 Electrical Generator or Motor Structure 79 32 48 35 32 226
714 Error Detection/Correction and Fault Detection/Recovery 21 31 47 69 57 225
070 Locks 52 42 40 36 53 223
358 Facsimile and Static Presentation Processing 48 22 41 47 65 223
713 Support (Electrical Computers and Digital Processing Systems) 10 28 53 52 80 223
370 Multiplex Communications 16 20 39 66 81 222
348 Television 27 27 44 55 64 217
340 Communications: Electrical 38 30 47 53 42 210
700 DP: Generic Control Systems or Specific Applications (Data Processing) 38 43 64 40 25 210
382 Image Analysis 15 19 35 61 70 200
451 Abrading 63 39 47 31 20 200
250 Radiant Energy 35 27 34 35 62 193
473 Games Using Tangible Projectile 47 38 42 33 26 186
313 Electric Lamp and Discharge Devices 30 29 44 44 30 177
073 Measuring and Testing 28 38 30 33 38 167
720 Dynamic Optical Information Storage or Retrieval 26 39 35 25 41 166
174 Electricity: Conductors and Insulators 36 39 26 38 26 165
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 29 29 35 31 41 165
016 Miscellaneous Hardware 44 31 38 23 26 162
363 Electric Power Conversion Systems 21 25 35 38 33 152
206 Special Receptacle or Package 40 41 25 26 19 151
711 Memory (Electrical Computers and Digital Processing Systems) 28 19 34 26 43 150
160 Flexible or Portable Closure, Partition, or Panel 37 34 22 39 16 148
323 Electricity: Power Supply or Regulation Systems 8 28 35 43 33 147
702 DP: Measuring, Calibrating, or Testing (Data Processing) 19 34 39 29 26 147
137 Fluid Handling 30 30 32 28 24 144
318 Electricity: Motive Power Systems 19 24 35 37 27 142
239 Fluid Sprinkling, Spraying, and Diffusing 35 17 32 27 28 139
532 Organic Compounds (includes Classes 532-570) 27 19 28 26 39 139
030 Cutlery 45 19 19 33 16 132
227 Elongated-Member-Driving Apparatus 20 36 31 23 22 132
347 Incremental Printing of Symbolic Information 44 20 20 28 19 131
428 Stock Material or Miscellaneous Articles 49 22 22 17 21 131
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 26 16 32 30 26 130
330 Amplifiers 16 9 16 37 50 128
356 Optics: Measuring and Testing 15 20 14 38 36 123
083 Cutting 40 25 22 17 16 120
353 Optics: Image Projectors 35 18 24 27 13 117
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 9 15 29 31 33 117
351 Optics: Eye Examining, Vision Testing and Correcting 21 18 24 28 23 114
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 43 16 23 15 16 113
005 Beds 26 23 23 17 22 111
381 Electrical Audio Signal Processing Systems and Devices 21 27 22 23 16 109
219 Electric Heating 22 22 36 19 9 108
435 Chemistry: Molecular Biology and Microbiology 11 16 31 24 26 108
415 Rotary Kinetic Fluid Motors or Pumps 17 19 17 30 24 107
326 Electronic Digital Logic Circuitry 17 16 20 22 30 105
024 Buckles, Buttons, Clasps, Etc. 29 15 21 16 22 103
312 Supports: Cabinet Structure 25 24 15 19 20 103
336 Inductor Devices 17 18 14 22 31 102
135 Tent, Canopy, Umbrella, or Cane 36 21 10 20 13 100
210 Liquid Purification or Separation 13 15 18 22 27 95
331 Oscillators 15 13 20 23 22 93
015 Brushing, Scrubbing, and General Cleaning 19 22 10 21 17 89
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 26 16 22 11 14 89
084 Music 13 14 18 22 20 87
128 Surgery (includes Class 600) 17 14 22 17 17 87
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 10 9 27 16 25 87
211 Supports: Racks 27 20 15 15 9 86
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 17 13 22 20 14 86
033 Geometrical Instruments 26 17 19 12 9 83
417 Pumps 29 16 17 7 7 76
401 Coating Implements with Material Supply 20 17 15 12 11 75
002 Apparel 18 13 15 15 12 73
074 Machine Element or Mechanism 21 9 19 17 7 73
292 Closure Fasteners 14 14 15 18 12 73
099 Foods and Beverages: Apparatus 33 17 14 4 3 71
320 Electricity: Battery or Capacitor Charging or Discharging 23 14 13 9 11 70
242 Winding, Tensioning, or Guiding 7 12 13 14 23 69
384 Bearings 10 17 17 9 16 69
333 Wave Transmission Lines and Networks 8 9 22 12 16 67
601 Surgery: Kinesitherapy 11 10 26 15 5 67
216 Etching a Substrate: Processes 9 8 11 17 21 66
036 Boots, Shoes, and Leggings 22 11 12 11 9 65
251 Valves and Valve Actuation 12 13 16 11 13 65
446 Amusement Devices: Toys 25 16 7 9 8 65
188 Brakes 19 12 10 11 12 64
416 Fluid Reaction Surfaces (i.e., Impellers) 17 13 17 9 8 64
604 Surgery (Medicators and Receptors) 20 16 9 8 10 63
004 Baths, Closets, Sinks, and Spittoons 11 10 14 16 11 62
379 Telephonic Communications 15 11 21 4 10 61
427 Coating Processes 16 17 9 7 11 60
445 Electric Lamp or Space Discharge Component or Device Manufacturing 17 13 14 10 6 60
062 Refrigeration 13 9 9 17 9 57
180 Motor Vehicles 13 5 14 13 12 57
403 Joints and Connections 21 8 11 6 10 56
241 Solid Material Comminution or Disintegration 9 12 13 8 13 55
134 Cleaning and Liquid Contact with Solids 19 15 6 7 7 54
123 Internal-Combustion Engines 10 10 11 11 10 52
707 DP: Database and File Management or Data Structures (Data Processing) 11 10 6 14 11 52
396 Photography 11 7 8 5 20 51
173 Tool Driving or Impacting 11 10 7 11 11 50
307 Electrical Transmission or Interconnection Systems 9 7 11 10 13 50
040 Card, Picture, or Sign Exhibiting 13 6 6 12 11 48
072 Metal Deforming 8 3 13 15 8 47
374 Thermal Measuring and Testing 9 10 4 10 14 47
222 Dispensing (apparatus and process) 12 10 14 5 5 46
400 Typewriting Machines 16 10 12 6 2 46
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 7 6 13 11 9 46
301 Land Vehicles: Wheels and Axles 16 9 8 6 6 45
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 4 6 8 9 16 43
108 Horizontally Supported Planar Surfaces 12 8 15 4 3 42
708 Arithmetic Processing and Calculating (Electrical Computers) 6 9 14 5 7 41
372 Coherent Light Generators 8 2 11 10 8 39
119 Animal Husbandry 12 8 10 5 3 38
204 Chemistry: Electrical and Wave Energy 11 7 7 6 7 38
254 Implements or Apparatus for Applying Pushing or Pulling Force 5 6 7 4 16 38
271 Sheet Feeding or Delivering 9 9 4 6 10 38
220 Receptacles 11 7 6 7 6 37
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 10 7 8 3 9 37
052 Static Structures (e.g., Buildings) 19 6 3 3 5 36
124 Mechanical Guns and Projectors 5 5 6 11 9 36
337 Electricity: Electrothermally or Thermally Actuated Switches 6 3 11 10 6 36
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 11 7 2 6 10 36
273 Amusement Devices: Games 4 7 8 10 6 35
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 3 5 6 10 10 34
290 Prime-Mover Dynamo Plants 8 1 8 6 10 33
101 Printing 10 7 6 4 5 32
228 Metal Fusion Bonding 14 12 2 3 1 32
392 Electric Resistance Heating Devices 7 11 4 3 7 32
144 Woodworking 5 4 12 6 4 31
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 11 6 5 6 3 31
355 Photocopying 7 6 7 8 3 31
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 15 5 5 2 4 31
112 Sewing 7 11 7 2 3 30
066 Textiles: Knitting 6 2 13 4 4 29
126 Stoves and Furnaces 14 7 4 1 3 29
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 4 4 1 9 11 29
386 Television Signal Processing for Dynamic Recording or Reproducing 3 0 1 9 16 29
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 7 6 4 7 5 29
296 Land Vehicles: Bodies and Tops 4 6 5 7 6 28
053 Package Making 5 5 5 8 4 27
118 Coating Apparatus 9 4 1 6 6 26
285 Pipe Joints or Couplings 5 4 3 6 8 26
475 Planetary Gear Transmission Systems or Components 4 5 7 4 6 26
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 7 3 5 9 25
368 Horology: Time Measuring Systems or Devices 9 3 4 5 4 25
399 Electrophotography 6 4 6 6 3 25
096 Gas Separation: Apparatus 6 6 3 2 7 24
106 Compositions: Coating or Plastic 9 4 1 6 4 24
398 Optical Communications 4 1 8 6 5 24
423 Chemistry of Inorganic Compounds 3 4 7 5 5 24
060 Power Plants 11 1 4 4 3 23
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 6 2 8 5 2 23
190 Trunks and Hand-Carried Luggage 7 6 1 5 4 23
049 Movable or Removable Closures 6 5 6 3 2 22
252 Compositions 2 4 5 3 8 22
294 Handling: Hand and Hoist-Line Implements 5 3 5 6 3 22
409 Gear Cutting, Milling, or Planing 4 2 4 6 6 22
717 DP: Software Development, Installation, and Management (Data Processing) 2 4 7 4 5 22
224 Package and Article Carriers 4 5 4 5 3 21
433 Dentistry 4 3 5 7 2 21
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 1 5 4 6 21
055 Gas Separation 3 3 3 7 4 20
198 Conveyors: Power-Driven 5 3 8 4 0 20
418 Rotary Expansible Chamber Devices 5 2 6 4 3 20
431 Combustion 4 9 5 1 1 20
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 1 7 4 8 20
100 Presses 4 4 7 1 3 19
454 Ventilation 3 3 3 6 4 19
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 4 5 3 3 4 19
007 Compound Hand Tools 6 1 5 6 0 18
034 Drying and Gas or Vapor Contact with Solids 6 5 3 1 3 18
125 Stone Working 4 6 5 1 2 18
192 Clutches and Power-Stop Control 2 5 5 3 3 18
380 Cryptography 2 3 1 7 5 18
414 Material or Article Handling 4 5 3 2 4 18
229 Envelopes, Wrappers, and Paperboard Boxes 2 3 5 3 4 17
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 5 5 2 2 17
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 3 3 4 5 2 17
114 Ships 2 4 4 4 2 16
261 Gas and Liquid Contact Apparatus 4 5 1 5 1 16
269 Work Holders 2 4 4 3 3 16
338 Electrical Resistors 4 1 5 2 4 16
410 Freight Accommodation On Freight Carrier 6 2 5 1 2 16
450 Foundation Garments 3 1 2 6 4 16
606 Surgery (instruments) 7 3 1 2 3 16
726 Information Security 3 0 1 6 6 16
164 Metal Founding 6 4 3 0 2 15
279 Chucks or Sockets 2 7 3 3 0 15
366 Agitating (e.g., of articles and materials) 4 5 0 2 4 15
441 Buoys, Rafts, and Aquatic Devices 4 5 4 1 1 15
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 4 2 3 1 5 15
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 1 6 1 6 15
181 Acoustics 6 4 1 1 2 14
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 4 1 5 2 2 14
360 Dynamic Magnetic Information Storage or Retrieval 1 4 2 3 4 14
042 Firearms 2 3 2 3 3 13
043 Fishing, Trapping, and Vermin Destroying 5 0 4 3 1 13
152 Resilient Tires and Wheels 2 4 3 3 1 13
474 Endless Belt Power Transmission Systems or Components 2 2 4 5 0 13
082 Turning (e.g., for metal working) 3 4 2 0 3 12
095 Gas Separation: Processes 4 4 1 1 2 12
132 Toilet 2 1 2 7 0 12
405 Hydraulic and Earth Engineering 4 1 1 2 4 12
472 Amusement Devices 6 2 0 1 3 12
267 Spring Devices 3 2 3 1 2 11
404 Road Structure, Process, or Apparatus 2 3 1 1 4 11
706 DP: Artificial Intelligence (Data Processing) 3 3 3 1 1 11
047 Plant Husbandry 2 4 3 1 0 10
122 Liquid Heaters and Vaporizers 3 2 4 0 1 10
148 Metal Treatment 3 4 2 1 0 10
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 2 1 3 1 3 10
194 Check-Actuated Control Mechanisms 1 6 2 1 0 10
221 Article Dispensing 5 2 2 1 0 10
225 Severing by Tearing or Breaking 2 4 2 1 1 10
426 Food or Edible Material: Processes, Compositions, and Products 4 2 1 2 1 10
436 Chemistry: Analytical and Immunological Testing 4 1 1 1 3 10
607 Surgery: Light, Thermal, and Electrical Application 0 5 3 1 1 10
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 2 2 2 1 2 9
388 Electricity: Motor Control Systems 1 1 2 1 4 9
432 Heating 4 2 1 0 2 9
440 Marine Propulsion 2 3 2 1 1 9
501 Compositions: Ceramic 2 1 2 3 1 9
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 3 3 0 3 0 9
056 Harvesters 2 2 4 0 0 8
184 Lubrication 1 3 1 0 3 8
408 Cutting by Use of Rotating Axially Moving Tool 0 2 2 1 3 8
434 Education and Demonstration 4 0 2 1 1 8
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 4 2 0 1 1 8
091 Motors: Expansible Chamber Type 2 0 3 2 0 7
138 Pipes and Tubular Conduits 0 3 1 0 3 7
178 Telegraphy 2 1 2 2 0 7
236 Automatic Temperature and Humidity Regulation 1 1 1 2 2 7
244 Aeronautics and Astronautics 5 1 0 1 0 7
483 Tool Changing 0 0 4 1 2 7
602 Surgery: Splint, Brace, or Bandage 1 1 2 1 2 7
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 1 2 1 1 6
059 Chain, Staple, and Horseshoe Making 0 1 0 3 2 6
110 Furnaces 1 4 0 1 0 6
116 Signals and Indicators 2 1 1 1 1 6
136 Batteries: Thermoelectric and Photoelectric 5 0 1 0 0 6
139 Textiles: Weaving 3 2 1 0 0 6
191 Electricity: Transmission To Vehicles 1 2 2 1 0 6
463 Amusement Devices: Games 2 0 1 1 2 6
477 Interrelated Power Delivery Controls, Including Engine Control 1 1 1 1 2 6
051 Abrasive Tool Making Process, Material, or Composition 2 0 0 2 1 5
092 Expansible Chamber Devices 1 1 0 2 1 5
102 Ammunition and Explosives 1 2 1 1 0 5
177 Weighing Scales 1 0 3 0 1 5
182 Fire Escape, Ladder, or Scaffold 3 1 0 0 1 5
215 Bottles and Jars 3 1 1 0 0 5
277 Seal for a Joint or Juncture 1 1 0 2 1 5
300 Brush, Broom, and Mop Making 1 0 1 2 1 5
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 2 2 0 1 5
407 Cutters, for Shaping 0 0 0 2 3 5
453 Coin Handling 1 0 1 2 1 5
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 4 0 0 0 5
012 Boot and Shoe Making 2 1 0 0 1 4
038 Textiles: Ironing or Smoothing 0 0 1 2 1 4
063 Jewelry 1 2 0 0 1 4
087 Textiles: Braiding, Netting, and Lace Making 1 0 1 1 1 4
329 Demodulators 0 2 1 0 1 4
332 Modulators 0 0 0 1 3 4
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 1 0 2 0 4
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 0 1 1 1 4
028 Textiles: Manufacturing 2 0 1 0 0 3
065 Glass Manufacturing 0 0 1 0 2 3
076 Metal Tools and Implements, Making 1 1 0 0 1 3
131 Tobacco 1 0 1 1 0 3
150 Purses, Wallets, and Protective Covers 1 0 1 1 0 3
162 Paper Making and Fiber Liberation 1 0 0 1 1 3
249 Static Molds 1 0 1 1 0 3
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 1 1 0 1 3
452 Butchering 1 0 1 0 1 3
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 2 0 0 3
504 Plant Protecting and Regulating Compositions 0 1 0 0 2 3
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 1 0 0 0 2 3
725 Interactive Video Distribution Systems 1 0 0 2 0 3
027 Undertaking 0 0 1 0 1 2
044 Fuel and Related Compositions 1 0 0 0 1 2
048 Gas: Heating and Illuminating 0 0 0 1 1 2
054 Harness for Working Animal 0 1 0 1 0 2
068 Textiles: Fluid Treating Apparatus 1 0 0 1 0 2
109 Safes, Bank Protection, or a Related Device 0 0 0 2 0 2
111 Planting 2 0 0 0 0 2
140 Wireworking 1 0 1 0 0 2
175 Boring or Penetrating the Earth 1 0 1 0 0 2
208 Mineral Oils: Processes and Products 0 0 0 1 1 2
223 Apparel Apparatus 1 0 0 1 0 2
234 Selective Cutting (e.g., Punching) 1 0 1 0 0 2
256 Fences 2 0 0 0 0 2
281 Books, Strips, and Leaves 1 0 1 0 0 2
283 Printed Matter 1 0 0 1 0 2
293 Vehicle Fenders 0 1 1 0 0 2
303 Fluid-Pressure and Analogous Brake Systems 2 0 0 0 0 2
322 Electricity: Single Generator Systems 0 0 0 1 1 2
378 X-Ray or Gamma Ray Systems or Devices 0 1 0 0 1 2
383 Flexible Bags 1 0 0 0 1 2
412 Bookbinding: Process and Apparatus 0 0 0 0 2 2
420 Alloys or Metallic Compositions 0 1 0 1 0 2
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 1 0 0 1 2
001 ** Classification Undetermined ** 0 1 0 0 0 1
023 Chemistry: Physical Processes 0 1 0 0 0 1
026 Textiles: Cloth Finishing 0 0 1 0 0 1
037 Excavating 0 0 1 0 0 1
071 Chemistry: Fertilizers 0 0 0 0 1 1
079 Button Making 0 0 1 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 0 1 0 1
104 Railways 0 0 0 1 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 1 1
172 Earth Working 0 0 1 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 1 0 0 0 1
202 Distillation: Apparatus 0 1 0 0 0 1
212 Traversing Hoists 0 1 0 0 0 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 1
232 Deposit and Collection Receptacles 0 1 0 0 0 1
238 Railways: Surface Track 0 1 0 0 0 1
246 Railway Switches and Signals 1 0 0 0 0 1
266 Metallurgical Apparatus 0 0 1 0 0 1
305 Wheel Substitutes for Land Vehicles 0 0 1 0 0 1
334 Tuners 0 0 1 0 0 1
352 Optics: Motion Pictures 0 0 0 1 0 1
373 Industrial Electric Heating Furnaces 1 0 0 0 0 1
406 Conveyors: Fluid Current 1 0 0 0 0 1
419 Powder Metallurgy Processes 1 0 0 0 0 1
492 Roll or Roller 1 0 0 0 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 1 1
585 Chemistry of Hydrocarbon Compounds 0 0 0 0 1 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 1 0 0 1
ALL ALL CLASSES 5938 5118 6361 6128 6339 29884


PTMT Contacts

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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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