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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 2000 - 2004 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,HONG KONG S.A.R.

( 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 2000 2001 2002 2003 2004 Total
446 Amusement Devices: Toys 7 10 16 20 18 71
362 Illumination 8 10 7 9 14 48
099 Foods and Beverages: Apparatus 7 11 13 9 2 42
396 Photography 3 13 7 8 7 38
206 Special Receptacle or Package 5 6 7 11 6 35
219 Electric Heating 7 5 7 3 6 28
015 Brushing, Scrubbing, and General Cleaning 4 6 8 3 2 23
431 Combustion 5 6 4 4 3 22
435 Chemistry: Molecular Biology and Microbiology 2 5 6 4 5 22
310 Electrical Generator or Motor Structure 5 1 1 6 8 21
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 5 6 4 4 2 21
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 5 2 2 4 8 21
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 1 2 6 11 20
438 Semiconductor Device Manufacturing: Process 2 3 5 3 6 19
200 Electricity: Circuit Makers and Breakers 2 2 2 3 9 18
315 Electric Lamp and Discharge Devices: Systems 4 5 5 1 2 17
363 Electric Power Conversion Systems 6 2 7 1 1 17
428 Stock Material or Miscellaneous Articles 5 1 4 5 2 17
360 Dynamic Magnetic Information Storage or Retrieval 0 1 0 5 9 15
030 Cutlery 1 2 2 4 5 14
040 Card, Picture, or Sign Exhibiting 2 0 5 5 2 14
024 Buckles, Buttons, Clasps, Etc. 1 2 2 5 3 13
228 Metal Fusion Bonding 2 3 1 4 3 13
340 Communications: Electrical 1 2 2 1 7 13
368 Horology: Time Measuring Systems or Devices 2 2 4 2 3 13
439 Electrical Connectors 2 2 3 4 2 13
248 Supports (e.g., for holding articles, etc.) 0 2 0 8 2 12
345 Computer Graphics Processing and Selective Visual Display Systems 2 1 3 5 1 12
070 Locks 3 2 2 1 3 11
128 Surgery (includes Class 600) 1 0 5 3 2 11
351 Optics: Eye Examining, Vision Testing and Correcting 2 1 2 2 4 11
379 Telephonic Communications 4 2 0 2 3 11
220 Receptacles 0 2 3 1 3 9
313 Electric Lamp and Discharge Devices 0 0 3 1 5 9
349 Liquid Crystal Cells, Elements and Systems 1 0 2 3 3 9
004 Baths, Closets, Sinks, and Spittoons 0 0 4 2 2 8
029 Metal Working 0 2 2 1 3 8
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 1 0 4 1 8
320 Electricity: Battery or Capacitor Charging or Discharging 1 1 1 2 3 8
361 Electricity: Electrical Systems and Devices 1 2 2 3 0 8
400 Typewriting Machines 3 1 2 1 1 8
473 Games Using Tangible Projectile 2 2 1 2 1 8
606 Surgery (instruments) 2 0 1 2 3 8
084 Music 1 3 1 1 1 7
222 Dispensing (apparatus and process) 0 0 3 2 2 7
242 Winding, Tensioning, or Guiding 2 1 1 2 1 7
323 Electricity: Power Supply or Regulation Systems 0 3 0 2 2 7
359 Optics: Systems and Elements 0 0 3 2 2 7
370 Multiplex Communications 2 1 0 2 2 7
401 Coating Implements with Material Supply 0 3 3 1 0 7
416 Fluid Reaction Surfaces (i.e., Impellers) 0 1 0 2 4 7
426 Food or Edible Material: Processes, Compositions, and Products 1 2 0 3 1 7
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 5 0 0 1 7
033 Geometrical Instruments 1 0 1 1 3 6
060 Power Plants 1 1 0 1 3 6
062 Refrigeration 0 2 1 2 1 6
073 Measuring and Testing 0 1 1 2 2 6
135 Tent, Canopy, Umbrella, or Cane 0 1 3 1 1 6
173 Tool Driving or Impacting 1 0 1 1 3 6
204 Chemistry: Electrical and Wave Energy 1 4 0 0 1 6
280 Land Vehicles 0 2 2 1 1 6
369 Dynamic Information Storage or Retrieval 2 2 0 1 1 6
392 Electric Resistance Heating Devices 0 5 0 0 1 6
463 Amusement Devices: Games 2 1 2 0 1 6
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 1 0 3 2 6
707 DP: Database and File Management or Data Structures (Data Processing) 1 0 1 1 3 6
002 Apparel 1 2 1 1 0 5
074 Machine Element or Mechanism 0 1 2 1 1 5
096 Gas Separation: Apparatus 0 1 1 3 0 5
250 Radiant Energy 0 1 1 2 1 5
324 Electricity: Measuring and Testing 1 1 0 2 1 5
336 Inductor Devices 0 0 1 2 2 5
347 Incremental Printing of Symbolic Information 0 0 1 1 3 5
366 Agitating (e.g., of articles and materials) 0 0 3 2 0 5
375 Pulse or Digital Communications 1 1 1 1 1 5
381 Electrical Audio Signal Processing Systems and Devices 0 2 1 2 0 5
382 Image Analysis 1 0 1 0 3 5
427 Coating Processes 0 1 1 2 1 5
450 Foundation Garments 0 0 0 0 5 5
451 Abrading 1 1 0 1 2 5
005 Beds 2 1 0 0 1 4
034 Drying and Gas or Vapor Contact with Solids 0 1 1 1 1 4
059 Chain, Staple, and Horseshoe Making 0 1 1 0 2 4
081 Tools 0 2 1 1 0 4
132 Toilet 2 1 0 0 1 4
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 2 0 1 1 4
239 Fluid Sprinkling, Spraying, and Diffusing 1 1 0 1 1 4
273 Amusement Devices: Games 1 0 2 0 1 4
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 3 0 1 4
343 Communications: Radio Wave Antennas 2 0 0 1 1 4
434 Education and Demonstration 1 1 0 0 2 4
455 Telecommunications 0 2 1 1 0 4
038 Textiles: Ironing or Smoothing 1 1 1 0 0 3
043 Fishing, Trapping, and Vermin Destroying 1 1 1 0 0 3
052 Static Structures (e.g., Buildings) 0 1 1 0 1 3
063 Jewelry 0 1 2 0 0 3
118 Coating Apparatus 0 3 0 0 0 3
123 Internal-Combustion Engines 1 1 0 0 1 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 0 0 1 0 3
210 Liquid Purification or Separation 1 0 1 0 1 3
211 Supports: Racks 1 1 0 0 1 3
238 Railways: Surface Track 0 0 1 2 0 3
241 Solid Material Comminution or Disintegration 0 0 1 2 0 3
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 1 1 1 0 3
307 Electrical Transmission or Interconnection Systems 0 0 0 0 3 3
312 Supports: Cabinet Structure 1 1 0 0 1 3
318 Electricity: Motive Power Systems 0 1 1 0 1 3
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 1 1 3
341 Coded Data Generation or Conversion 1 0 1 0 1 3
353 Optics: Image Projectors 0 0 1 0 2 3
383 Flexible Bags 1 1 0 1 0 3
385 Optical Waveguides 0 2 0 0 1 3
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 1 0 2 3
532 Organic Compounds (includes Classes 532-570) 0 0 0 0 3 3
714 Error Detection/Correction and Fault Detection/Recovery 3 0 0 0 0 3
016 Miscellaneous Hardware 0 0 0 1 1 2
028 Textiles: Manufacturing 0 0 0 0 2 2
053 Package Making 0 1 0 0 1 2
072 Metal Deforming 1 0 0 1 0 2
083 Cutting 0 2 0 0 0 2
102 Ammunition and Explosives 0 2 0 0 0 2
112 Sewing 1 1 0 0 0 2
116 Signals and Indicators 0 1 1 0 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 1 0 0 0 2
134 Cleaning and Liquid Contact with Solids 0 1 0 1 0 2
160 Flexible or Portable Closure, Partition, or Panel 1 1 0 0 0 2
169 Fire Extinguishers 0 1 0 1 0 2
174 Electricity: Conductors and Insulators 0 0 0 1 1 2
180 Motor Vehicles 1 0 0 1 0 2
216 Etching a Substrate: Processes 0 1 0 1 0 2
223 Apparel Apparatus 0 1 0 1 0 2
252 Compositions 1 1 0 0 0 2
261 Gas and Liquid Contact Apparatus 0 0 0 1 1 2
297 Chairs and Seats 0 2 0 0 0 2
333 Wave Transmission Lines and Networks 0 0 1 1 0 2
356 Optics: Measuring and Testing 1 0 0 0 1 2
384 Bearings 0 1 0 0 1 2
399 Electrophotography 0 0 0 2 0 2
417 Pumps 1 1 0 0 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 1 0 1 2
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 1 0 0 0 2
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 0 2 0 2
433 Dentistry 0 1 0 0 1 2
482 Exercise Devices 0 0 0 0 2 2
601 Surgery: Kinesitherapy 0 1 0 0 1 2
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 2 2
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 2 0 0 2
708 Arithmetic Processing and Calculating (Electrical Computers) 0 1 0 1 0 2
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 1 2
711 Memory (Electrical Computers and Digital Processing Systems) 1 1 0 0 0 2
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 2 0 2
720 Dynamic Optical Information Storage or Retrieval 1 0 1 0 0 2
725 Interactive Video Distribution Systems 0 0 0 2 0 2
007 Compound Hand Tools 0 0 0 0 1 1
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 0 1
036 Boots, Shoes, and Leggings 1 0 0 0 0 1
047 Plant Husbandry 0 1 0 0 0 1
095 Gas Separation: Processes 0 0 0 0 1 1
101 Printing 0 1 0 0 0 1
104 Railways 0 1 0 0 0 1
106 Compositions: Coating or Plastic 1 0 0 0 0 1
110 Furnaces 0 0 0 0 1 1
114 Ships 0 0 1 0 0 1
124 Mechanical Guns and Projectors 0 0 0 0 1 1
126 Stoves and Furnaces 0 0 0 1 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 1 0 0 1
137 Fluid Handling 0 0 0 1 0 1
144 Woodworking 0 0 0 1 0 1
164 Metal Founding 0 0 1 0 0 1
175 Boring or Penetrating the Earth 0 0 0 1 0 1
181 Acoustics 0 0 0 1 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 0 0 1
215 Bottles and Jars 0 0 0 1 0 1
221 Article Dispensing 0 0 0 0 1 1
224 Package and Article Carriers 0 0 0 0 1 1
246 Railway Switches and Signals 1 0 0 0 0 1
256 Fences 0 1 0 0 0 1
269 Work Holders 0 0 0 1 0 1
279 Chucks or Sockets 0 0 0 0 1 1
281 Books, Strips, and Leaves 0 0 0 1 0 1
285 Pipe Joints or Couplings 0 0 0 0 1 1
290 Prime-Mover Dynamo Plants 0 0 0 1 0 1
294 Handling: Hand and Hoist-Line Implements 1 0 0 0 0 1
330 Amplifiers 0 1 0 0 0 1
331 Oscillators 0 0 0 1 0 1
332 Modulators 1 0 0 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 0 1 1
348 Television 0 0 0 0 1 1
355 Photocopying 0 0 0 1 0 1
365 Static Information Storage and Retrieval 0 0 0 0 1 1
372 Coherent Light Generators 0 0 1 0 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 0 0 0 1
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 1 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 1 0 0 0 0 1
403 Joints and Connections 0 0 0 0 1 1
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 1 0 1
409 Gear Cutting, Milling, or Planing 0 0 0 1 0 1
414 Material or Article Handling 0 0 0 0 1 1
415 Rotary Kinetic Fluid Motors or Pumps 0 0 0 0 1 1
419 Powder Metallurgy Processes 0 1 0 0 0 1
423 Chemistry of Inorganic Compounds 0 0 1 0 0 1
440 Marine Propulsion 0 0 1 0 0 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 0 0 1 1
454 Ventilation 0 1 0 0 0 1
472 Amusement Devices 0 0 0 1 0 1
604 Surgery (Medicators and Receptors) 0 0 0 0 1 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 1 1
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 1 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 1 0 0 0 1
709 Multicomputer Data Transferring or Plural Processor Synchronization (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 1 0 0 1
ALL ALL CLASSES 179 237 233 276 311 1236


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Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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

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


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Skip menu navigation Home > Listing of Viewable PTMD Reports > Table of Contents for This Set of Reports