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

CHINA P.REP.

(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) 5 10 6 10 8 39
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 3 1 6 4 10 24
532 Organic Compounds (includes Classes 532-570) 0 6 1 3 4 14
252 Compositions 1 3 3 1 4 12
439 Electrical Connectors 1 1 0 0 10 12
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 4 0 2 4 10
435 Chemistry: Molecular Biology and Microbiology 1 0 6 0 2 9
423 Chemistry of Inorganic Compounds 0 2 1 2 3 8
585 Chemistry of Hydrocarbon Compounds 0 1 5 0 2 8
128 Surgery (includes Class 600) 0 2 1 2 2 7
708 Arithmetic Processing and Calculating (Electrical Computers) 2 1 2 0 2 7
362 Illumination 1 1 1 2 1 6
606 Surgery (instruments) 0 0 1 4 1 6
062 Refrigeration 1 0 1 0 3 5
210 Liquid Purification or Separation 1 0 1 2 1 5
428 Stock Material or Miscellaneous Articles 0 0 1 3 1 5
438 Semiconductor Device Manufacturing: Process 2 0 0 2 1 5
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 2 3 5
073 Measuring and Testing 2 0 1 0 1 4
084 Music 1 0 1 2 0 4
208 Mineral Oils: Processes and Products 0 1 0 2 1 4
241 Solid Material Comminution or Disintegration 1 0 0 1 2 4
348 Television 1 0 2 1 0 4
052 Static Structures (e.g., Buildings) 1 0 0 1 1 3
070 Locks 1 0 0 0 2 3
074 Machine Element or Mechanism 1 1 0 1 0 3
081 Tools 1 0 0 0 2 3
123 Internal-Combustion Engines 0 0 0 1 2 3
204 Chemistry: Electrical and Wave Energy 2 0 1 0 0 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 1 0 0 0 3
209 Classifying, Separating, and Assorting Solids 0 2 0 0 1 3
219 Electric Heating 0 1 1 0 1 3
250 Radiant Energy 0 2 1 0 0 3
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 1 0 1 1 3
341 Coded Data Generation or Conversion 1 1 1 0 0 3
359 Optics: Systems (Including Communication) and Elements 1 0 0 1 1 3
361 Electricity: Electrical Systems and Devices 0 2 1 0 0 3
378 X-Ray or Gamma Ray Systems or Devices 1 0 2 0 0 3
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 2 1 0 3
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 1 1 0 0 3
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 0 0 1 1 3
475 Planetary Gear Transmission Systems or Components 1 1 0 1 0 3
607 Surgery: Light, Thermal, and Electrical Application 1 0 0 1 1 3
706 DP: Artificial Intelligence (Data Processing) 1 1 1 0 0 3
024 Buckles, Buttons, Clasps, Etc. 0 0 0 1 1 2
036 Boots, Shoes, and Leggings 0 0 0 2 0 2
099 Foods and Beverages: Apparatus 0 0 1 1 0 2
106 Compositions: Coating or Plastic 0 1 1 0 0 2
148 Metal Treatment 1 0 1 0 0 2
164 Metal Founding 0 0 0 1 1 2
180 Motor Vehicles 0 0 0 0 2 2
220 Receptacles 0 0 0 2 0 2
248 Supports (e.g., for holding articles, etc.) 0 0 1 0 1 2
261 Gas and Liquid Contact Apparatus 0 0 0 0 2 2
277 Seal for a Joint or Juncture 0 0 0 0 2 2
280 Land Vehicles 0 0 0 2 0 2
315 Electric Lamp and Discharge Devices: Systems 0 1 1 0 0 2
324 Electricity: Measuring and Testing 1 0 0 0 1 2
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 1 1 2
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 0 1 0 0 1 2
363 Electric Power Conversion Systems 0 0 0 1 1 2
401 Coating Implements with Material Supply 1 0 0 0 1 2
426 Food or Edible Material: Processes, Compositions, and Products 0 1 1 0 0 2
427 Coating Processes 0 1 1 0 0 2
431 Combustion 0 0 0 0 2 2
455 Telecommunications 0 0 0 1 1 2
601 Surgery: Kinesitherapy 1 0 0 1 0 2
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 0 2 2
004 Baths, Closets, Sinks, and Spittoons 0 0 0 0 1 1
016 Miscellaneous Hardware 0 1 0 0 0 1
030 Cutlery 0 0 0 0 1 1
034 Drying and Gas or Vapor Contact with Solids 0 0 0 1 0 1
040 Card, Picture, or Sign Exhibiting 0 0 0 1 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 1 0 1
060 Power Plants 0 0 0 1 0 1
071 Chemistry: Fertilizers 0 0 1 0 0 1
072 Metal Deforming 0 0 0 1 0 1
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 0 0 0 1 1
092 Expansible Chamber Devices 0 0 0 1 0 1
096 Gas Separation: Apparatus 0 0 1 0 0 1
104 Railways 0 1 0 0 0 1
114 Ships 0 0 0 1 0 1
116 Signals and Indicators 0 0 1 0 0 1
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 0 0 0 0 1
127 Sugar, Starch, and Carbohydrates 0 0 0 0 1 1
134 Cleaning and Liquid Contact with Solids 0 0 0 1 0 1
137 Fluid Handling 0 0 0 1 0 1
165 Heat Exchange 0 1 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 1 0 1
173 Tool Driving or Impacting 0 0 1 0 0 1
175 Boring or Penetrating the Earth 0 0 0 0 1 1
181 Acoustics 0 0 0 0 1 1
184 Lubrication 0 0 0 1 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 1 0 0 1
188 Brakes 1 0 0 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 1 0 0 1
192 Clutches and Power-Stop Control 0 0 0 0 1 1
216 Etching a Substrate: Processes 0 0 0 0 1 1
251 Valves and Valve Actuation 0 0 0 0 1 1
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 1 0 0 1
269 Work Holders 0 1 0 0 0 1
293 Vehicle Fenders 0 0 0 0 1 1
297 Chairs and Seats 0 0 0 0 1 1
307 Electrical Transmission or Interconnection Systems 0 0 1 0 0 1
310 Electrical Generator or Motor Structure 0 0 0 1 0 1
318 Electricity: Motive Power Systems 0 0 0 1 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 1 0 0 1
336 Inductor Devices 0 0 0 0 1 1
343 Communications: Radio Wave Antennas 0 0 0 1 0 1
347 Incremental Printing of Symbolic Information 0 0 0 0 1 1
349 Liquid Crystal Cells, Elements and Systems 0 0 1 0 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 1 1
356 Optics: Measuring and Testing 0 0 0 1 0 1
365 Static Information Storage and Retrieval 0 0 0 1 0 1
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 0 0 0 1 1
369 Dynamic Information Storage or Retrieval 0 0 0 1 0 1
372 Coherent Light Generators 0 0 0 1 0 1
375 Pulse or Digital Communications 0 1 0 0 0 1
379 Telephonic Communications 0 0 0 1 0 1
382 Image Analysis 0 0 0 1 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 1 0 0 0 1
396 Photography 0 0 0 0 1 1
417 Pumps 0 0 0 0 1 1
420 Alloys or Metallic Compositions 0 0 0 1 0 1
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 0 1 0 1
432 Heating 0 0 0 0 1 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 1 0 0 1
446 Amusement Devices: Toys 0 0 0 0 1 1
451 Abrading 0 0 1 0 0 1
474 Endless Belt Power Transmission Systems or Components 0 1 0 0 0 1
482 Exercise Devices 0 0 0 0 1 1
483 Tool Changing 0 0 0 1 0 1
501 Compositions: Ceramic 1 0 0 0 0 1
512 Perfume Compositions 0 0 1 0 0 1
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 1 0 0 1
602 Surgery: Splint, Brace, or Bandage 0 1 0 0 0 1
604 Surgery (Medicators and Receptors) 0 1 0 0 0 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 1 1
713 Support (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 1
ALL ALL CLASSES 46 62 72 90 119 389



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