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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

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

Count of 2008 - 2012 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

CHINA, PEOPLE'S REPUBLIC OF

( 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 by year of patent grant.
Class Class Title 2008 2009 2010 2011 2012 Total
370 Multiplex Communications 47 85 214 270 388 1004
439 Electrical Connectors 125 145 238 254 168 930
361 Electricity: Electrical Systems and Devices 104 128 171 203 229 835
455 Telecommunications 19 26 77 129 260 511
382 Image Analysis 49 55 59 75 120 358
707 DP: Database and File Management or Data Structures (Data Processing) 33 47 64 69 106 319
362 Illumination 29 31 92 77 89 318
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 14 29 57 93 91 284
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 24 36 59 56 107 282
375 Pulse or Digital Communications 16 28 52 61 114 271
345 Computer Graphics Processing and Selective Visual Display Systems 10 32 38 50 126 256
438 Semiconductor Device Manufacturing: Process 19 34 53 60 70 236
713 Support (Electrical Computers and Digital Processing Systems) 13 26 41 45 73 198
324 Electricity: Measuring and Testing 23 30 41 38 47 179
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 11 13 40 49 62 175
532 Organic Compounds (includes Classes 532-570) 17 23 29 47 59 175
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 20 18 29 30 41 138
714 Error Detection/Correction and Fault Detection/Recovery 7 20 19 32 57 135
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 13 21 23 31 43 131
349 Liquid Crystal Cells, Elements and Systems 2 12 20 39 50 123
313 Electric Lamp and Discharge Devices 11 16 28 32 33 120
165 Heat Exchange 15 24 24 22 34 119
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 5 10 22 19 62 118
248 Supports (e.g., for holding articles, etc.) 4 7 27 29 49 116
315 Electric Lamp and Discharge Devices: Systems 22 9 25 23 34 113
348 Television 6 16 22 15 52 111
381 Electrical Audio Signal Processing Systems and Devices 2 0 3 30 75 110
363 Electric Power Conversion Systems 7 12 24 25 39 107
378 X-Ray or Gamma Ray Systems or Devices 18 25 36 13 11 103
250 Radiant Energy 11 15 19 23 32 100
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 15 16 13 27 28 99
379 Telephonic Communications 3 19 12 21 43 98
340 Communications: Electrical 7 20 22 14 34 97
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 10 12 15 22 34 93
398 Optical Communications 3 8 13 26 42 92
200 Electricity: Circuit Makers and Breakers 9 13 19 14 35 90
073 Measuring and Testing 8 14 18 20 29 89
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 6 8 21 25 27 87
435 Chemistry: Molecular Biology and Microbiology 8 13 23 15 26 85
726 Information Security 3 2 14 19 44 82
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 8 14 10 18 31 81
320 Electricity: Battery or Capacitor Charging or Discharging 2 8 14 16 38 78
310 Electrical Generator or Motor Structure 6 7 17 20 27 77
359 Optical: Systems and Elements 11 7 16 19 24 77
702 DP: Measuring, Calibrating, or Testing (Data Processing) 21 9 15 13 19 77
706 DP: Artificial Intelligence (Data Processing) 6 9 18 19 24 76
717 DP: Software Development, Installation, and Management (Data Processing) 7 8 19 15 27 76
318 Electricity: Motive Power Systems 9 10 14 10 30 73
128 Surgery (includes Class 600) 3 5 12 16 36 72
711 Memory (Electrical Computers and Digital Processing Systems) 9 13 6 12 31 71
360 Dynamic Magnetic Information Storage or Retrieval 14 20 15 6 13 68
307 Electrical Transmission or Interconnection Systems 7 9 17 16 16 65
428 Stock Material or Miscellaneous Articles 0 12 7 21 25 65
033 Geometrical Instruments 8 13 23 12 7 63
174 Electricity: Conductors and Insulators 3 8 10 21 20 62
029 Metal Working 4 13 5 12 27 61
323 Electricity: Power Supply or Regulation Systems 6 7 17 12 17 59
341 Coded Data Generation or Conversion 5 3 11 13 26 58
356 Optics: Measuring and Testing 7 6 16 16 12 57
423 Chemistry of Inorganic Compounds 1 9 15 15 17 57
210 Liquid Purification or Separation 3 7 7 7 21 45
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 8 8 11 4 14 45
252 Compositions 2 2 4 15 20 43
280 Land Vehicles 7 12 5 11 8 43
380 Cryptography 4 3 3 6 26 42
427 Coating Processes 1 4 10 5 22 42
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 5 8 11 16 41
385 Optical Waveguides 7 9 6 5 13 40
343 Communications: Radio Wave Antennas 3 9 9 8 10 39
365 Static Information Storage and Retrieval 6 7 3 7 16 39
720 Dynamic Optical Information Storage or Retrieval 13 12 3 3 7 38
219 Electric Heating 2 3 10 4 18 37
700 DP: Generic Control Systems or Specific Applications (Data Processing) 4 2 7 7 17 37
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 3 3 11 20 37
330 Amplifiers 4 3 7 11 11 36
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 7 5 7 13 3 35
312 Supports: Cabinet Structure 2 3 8 7 15 35
005 Beds 6 8 5 4 11 34
241 Solid Material Comminution or Disintegration 1 8 6 6 11 32
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 4 8 9 10 32
326 Electronic Digital Logic Circuitry 8 3 10 8 2 31
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 6 3 5 6 11 31
415 Rotary Kinetic Fluid Motors or Pumps 2 5 3 9 11 30
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 3 4 13 8 30
052 Static Structures (e.g., Buildings) 3 5 6 7 8 29
297 Chairs and Seats 7 4 5 4 9 29
358 Facsimile and Static Presentation Processing 2 2 5 12 8 29
446 Amusement Devices: Toys 0 1 2 10 16 29
206 Special Receptacle or Package 3 5 12 6 2 28
292 Closure Fasteners 2 2 10 5 9 28
333 Wave Transmission Lines and Networks 3 8 2 6 9 28
336 Inductor Devices 1 2 5 5 15 28
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1 3 2 12 8 26
220 Receptacles 2 1 4 7 12 26
396 Photography 1 6 8 7 4 26
417 Pumps 1 1 4 7 13 26
436 Chemistry: Analytical and Immunological Testing 2 1 5 9 9 26
040 Card, Picture, or Sign Exhibiting 2 1 6 6 10 25
135 Tent, Canopy, Umbrella, or Cane 6 2 2 4 11 25
180 Motor Vehicles 1 2 3 3 15 24
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 5 6 2 3 8 24
482 Exercise Devices 5 6 6 5 2 24
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 8 2 0 3 11 24
030 Cutlery 3 6 2 7 5 23
108 Horizontally Supported Planar Surfaces 3 3 3 6 8 23
239 Fluid Sprinkling, Spraying, and Diffusing 0 1 5 4 13 23
331 Oscillators 3 0 3 9 8 23
347 Incremental Printing of Symbolic Information 2 4 4 7 6 23
353 Optics: Image Projectors 1 1 4 9 7 22
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 2 4 3 9 22
015 Brushing, Scrubbing, and General Cleaning 4 4 2 2 9 21
004 Baths, Closets, Sinks, and Spittoons 2 0 3 4 11 20
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 5 8 3 4 20
374 Thermal Measuring and Testing 0 3 4 2 11 20
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 2 1 4 7 6 20
070 Locks 0 4 3 3 9 19
072 Metal Deforming 1 4 2 5 7 19
074 Machine Element or Mechanism 2 1 3 4 9 19
290 Prime-Mover Dynamo Plants 1 1 6 3 8 19
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 2 7 3 6 19
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1 2 1 7 8 19
604 Surgery (Medicators and Receptors) 2 2 3 6 6 19
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 2 0 2 6 9 19
173 Tool Driving or Impacting 3 0 2 4 9 18
254 Implements or Apparatus for Applying Pushing or Pulling Force 5 2 4 2 5 18
585 Chemistry of Hydrocarbon Compounds 2 0 5 4 7 18
601 Surgery: Kinesitherapy 1 0 4 6 7 18
096 Gas Separation: Apparatus 2 1 5 4 5 17
099 Foods and Beverages: Apparatus 3 2 3 5 4 17
123 Internal-Combustion Engines 5 2 1 4 5 17
148 Metal Treatment 1 1 4 4 7 17
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 3 1 4 5 4 17
372 Coherent Light Generators 2 1 5 5 4 17
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 1 3 4 9 17
137 Fluid Handling 1 2 2 2 9 16
269 Work Holders 1 2 2 5 6 16
369 Dynamic Information Storage or Retrieval 0 4 5 3 4 16
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 2 6 3 3 15
351 Optics: Eye Examining, Vision Testing and Correcting 3 2 1 4 5 15
367 Communications, Electrical: Acoustic Wave Systems and Devices 3 1 4 3 4 15
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 5 1 3 5 15
055 Gas Separation 0 2 4 3 5 14
062 Refrigeration 3 0 3 2 6 14
211 Supports: Racks 2 2 1 4 5 14
606 Surgery (instruments) 1 1 4 3 5 14
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 1 1 1 11 14
725 Interactive Video Distribution Systems 2 0 2 4 6 14
024 Buckles, Buttons, Clasps, Etc. 0 0 4 3 6 13
426 Food or Edible Material: Processes, Compositions, and Products 0 1 2 2 8 13
038 Textiles: Ironing or Smoothing 3 2 3 0 4 12
104 Railways 3 5 2 2 0 12
208 Mineral Oils: Processes and Products 6 2 2 1 1 12
261 Gas and Liquid Contact Apparatus 1 0 2 4 5 12
403 Joints and Connections 0 2 1 2 7 12
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 2 7 3 12
475 Planetary Gear Transmission Systems or Components 1 0 2 4 5 12
708 Arithmetic Processing and Calculating (Electrical Computers) 0 1 2 3 6 12
084 Music 4 1 3 3 0 11
095 Gas Separation: Processes 1 0 2 7 1 11
106 Compositions: Coating or Plastic 1 1 5 4 0 11
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 2 2 7 11
279 Chucks or Sockets 1 2 2 3 3 11
296 Land Vehicles: Bodies and Tops 0 0 1 3 7 11
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 5 3 3 11
134 Cleaning and Liquid Contact with Solids 1 1 2 3 3 10
188 Brakes 0 1 1 2 6 10
198 Conveyors: Power-Driven 1 1 2 1 5 10
227 Elongated-Member-Driving Apparatus 0 1 2 4 3 10
392 Electric Resistance Heating Devices 1 2 2 2 3 10
400 Typewriting Machines 0 0 1 4 5 10
414 Material or Article Handling 1 0 3 2 4 10
451 Abrading 1 2 1 2 4 10
060 Power Plants 0 0 0 6 3 9
083 Cutting 0 0 3 2 4 9
164 Metal Founding 0 1 0 5 3 9
192 Clutches and Power-Stop Control 2 0 1 1 5 9
222 Dispensing (apparatus and process) 0 0 2 3 4 9
242 Winding, Tensioning, or Guiding 2 3 2 2 0 9
368 Horology: Time Measuring Systems or Devices 1 1 1 4 2 9
388 Electricity: Motor Control Systems 0 0 6 2 1 9
399 Electrophotography 2 3 1 1 2 9
410 Freight Accommodation On Freight Carrier 2 3 0 4 0 9
607 Surgery: Light, Thermal, and Electrical Application 0 0 1 5 3 9
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 0 1 1 5 9
014 Bridges 2 1 3 1 1 8
081 Tools 1 1 1 4 1 8
118 Coating Apparatus 0 1 1 1 5 8
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 2 4 2 0 8
204 Chemistry: Electrical and Wave Energy 1 1 2 0 4 8
251 Valves and Valve Actuation 2 0 0 1 5 8
294 Handling: Hand and Hoist-Line Implements 0 1 0 1 6 8
355 Photocopying 1 0 1 3 3 8
386 Motion Video Signal Processing for Recording or Reproducing 1 1 1 2 3 8
501 Compositions: Ceramic 3 0 1 1 3 8
119 Animal Husbandry 2 1 2 2 0 7
144 Woodworking 0 1 4 0 2 7
160 Flexible or Portable Closure, Partition, or Panel 1 0 5 1 0 7
181 Acoustics 0 0 2 2 3 7
366 Agitating (e.g., of articles and materials) 1 1 1 1 3 7
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 1 1 5 7
401 Coating Implements with Material Supply 1 0 1 1 4 7
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 1 3 3 0 7
418 Rotary Expansible Chamber Devices 0 0 3 4 0 7
065 Glass Manufacturing 0 0 1 1 4 6
101 Printing 0 1 2 2 1 6
122 Liquid Heaters and Vaporizers 0 0 0 2 4 6
126 Stoves and Furnaces 1 0 0 3 2 6
177 Weighing Scales 1 1 2 1 1 6
216 Etching a Substrate: Processes 0 0 0 4 2 6
236 Automatic Temperature and Humidity Regulation 0 0 2 3 1 6
266 Metallurgical Apparatus 0 1 0 2 3 6
384 Bearings 1 1 0 0 4 6
405 Hydraulic and Earth Engineering 0 0 2 0 4 6
450 Foundation Garments 1 3 1 0 1 6
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 1 2 3 6
036 Boots, Shoes, and Leggings 3 0 2 0 0 5
048 Gas: Heating and Illuminating 0 0 1 3 1 5
057 Textiles: Spinning, Twisting, and Twining 1 1 1 1 1 5
071 Chemistry: Fertilizers 0 0 1 1 3 5
162 Paper Making and Fiber Liberation 0 0 0 2 3 5
175 Boring or Penetrating the Earth 1 0 1 3 0 5
209 Classifying, Separating, and Assorting Solids 1 2 1 1 0 5
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 0 5 5
224 Package and Article Carriers 0 0 1 0 4 5
228 Metal Fusion Bonding 0 1 0 2 2 5
273 Amusement Devices: Games 1 1 1 1 1 5
285 Pipe Joints or Couplings 1 0 1 1 2 5
408 Cutting by Use of Rotating Axially Moving Tool 0 3 0 1 1 5
420 Alloys or Metallic Compositions 0 0 3 1 1 5
431 Combustion 2 3 0 0 0 5
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 0 0 4 5
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 0 1 3 0 5
002 Apparel 0 0 1 1 2 4
053 Package Making 0 1 0 2 1 4
102 Ammunition and Explosives 0 0 1 0 3 4
110 Furnaces 0 0 0 3 1 4
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 1 0 3 4
136 Batteries: Thermoelectric and Photoelectric 0 0 0 1 3 4
229 Envelopes, Wrappers, and Paperboard Boxes 0 1 1 0 2 4
329 Demodulators 0 0 1 2 1 4
338 Electrical Resistors 0 0 0 1 3 4
419 Powder Metallurgy Processes 0 2 1 1 0 4
473 Games Using Tangible Projectile 0 0 0 1 3 4
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 3 0 1 4
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 3 3
047 Plant Husbandry 0 0 1 1 1 3
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 2 1 3
056 Harvesters 0 0 2 1 0 3
082 Turning (e.g., for metal working) 0 1 0 2 0 3
105 Railway Rolling Stock 0 1 1 0 1 3
114 Ships 1 0 0 0 2 3
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 0 1 0 1 3
182 Fire Escape, Ladder, or Scaffold 0 0 0 3 0 3
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 2 1 3
203 Distillation: Processes, Separatory 0 0 0 3 0 3
212 Traversing Hoists 0 2 0 1 0 3
215 Bottles and Jars 0 0 1 1 1 3
244 Aeronautics and Astronautics 0 0 0 1 2 3
271 Sheet Feeding or Delivering 1 1 0 0 1 3
322 Electricity: Single Generator Systems 1 0 1 1 0 3
404 Road Structure, Process, or Apparatus 0 2 0 0 1 3
409 Gear Cutting, Milling, or Planing 0 3 0 0 0 3
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 1 0 2 3
454 Ventilation 0 1 2 0 0 3
463 Amusement Devices: Games 0 1 0 1 1 3
472 Amusement Devices 0 0 0 1 2 3
512 Perfume Compositions 0 1 0 0 2 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 0 2 0 3
019 Textiles: Fiber Preparation 1 1 0 0 0 2
023 Chemistry: Physical Processes 0 0 1 1 0 2
043 Fishing, Trapping, and Vermin Destroying 0 1 0 0 1 2
063 Jewelry 0 0 1 1 0 2
100 Presses 1 1 0 0 0 2
111 Planting 2 0 0 0 0 2
116 Signals and Indicators 0 1 0 0 1 2
132 Toilet 0 0 0 1 1 2
138 Pipes and Tubular Conduits 0 0 1 0 1 2
139 Textiles: Weaving 1 1 0 0 0 2
178 Telegraphy 1 0 1 0 0 2
213 Railway Draft Appliances 0 0 0 0 2 2
221 Article Dispensing 0 0 2 0 0 2
223 Apparel Apparatus 1 0 0 0 1 2
238 Railways: Surface Track 0 0 1 1 0 2
301 Land Vehicles: Wheels and Axles 0 0 0 2 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 2 0 0 2
433 Dentistry 0 0 0 0 2 2
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 2 2
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 1 2
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 1 1 0 2
494 Imperforate Bowl: Centrifugal Separators 0 0 0 0 2 2
504 Plant Protecting and Regulating Compositions 0 0 2 0 0 2
505 Superconductor Technology: Apparatus, Material, Process 0 1 0 0 1 2
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 0 0 2 2
602 Surgery: Splint, Brace, or Bandage 1 0 1 0 0 2
028 Textiles: Manufacturing 1 0 0 0 0 1
042 Firearms 0 0 0 1 0 1
044 Fuel and Related Compositions 0 0 0 0 1 1
049 Movable or Removable Closures 0 0 0 0 1 1
066 Textiles: Knitting 0 0 1 0 0 1
068 Textiles: Fluid Treating Apparatus 0 0 0 1 0 1
076 Metal Tools and Implements, Making 0 1 0 0 0 1
079 Button Making 0 0 1 0 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 1 0 0 1
091 Motors: Expansible Chamber Type 0 1 0 0 0 1
092 Expansible Chamber Devices 0 1 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 0 0 0 1 1
112 Sewing 0 0 0 1 0 1
124 Mechanical Guns and Projectors 1 0 0 0 0 1
125 Stone Working 0 0 0 1 0 1
127 Sugar, Starch, and Carbohydrates 0 0 0 1 0 1
131 Tobacco 0 0 0 1 0 1
152 Resilient Tires and Wheels 0 0 0 0 1 1
190 Trunks and Hand-Carried Luggage 0 1 0 0 0 1
191 Electricity: Transmission To Vehicles 0 1 0 0 0 1
194 Check-Actuated Control Mechanisms 0 0 1 0 0 1
196 Mineral Oils: Apparatus 0 0 1 0 0 1
226 Advancing Material of Indeterminate Length 0 0 0 1 0 1
249 Static Molds 0 0 0 1 0 1
270 Sheet-Material Associating 0 0 0 0 1 1
281 Books, Strips, and Leaves 0 1 0 0 0 1
300 Brush, Broom, and Mop Making 0 0 0 1 0 1
303 Fluid-Pressure and Analogous Brake Systems 1 0 0 0 0 1
332 Modulators 0 0 1 0 0 1
373 Industrial Electric Heating Furnaces 0 0 1 0 0 1
383 Flexible Bags 0 0 0 0 1 1
407 Cutters, for Shaping 0 0 0 1 0 1
412 Bookbinding: Process and Apparatus 0 0 0 0 1 1
434 Education and Demonstration 0 0 0 0 1 1
483 Tool Changing 1 0 0 0 0 1
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 0 1 1
ALL ALL CLASSES 1225 1655 2657 3174 4637 13348


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email: oeip@uspto.gov

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