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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 2009 - 2013 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 2009 2010 2011 2012 2013 Total
370 Multiplex Communications 85 214 270 388 522 1479
361 Electricity: Electrical Systems and Devices 128 171 203 229 270 1001
439 Electrical Connectors 145 238 254 168 170 975
455 Telecommunications 26 77 129 260 294 786
382 Image Analysis 55 59 75 120 149 458
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 36 59 56 108 189 448
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 29 57 93 91 162 432
345 Computer Graphics Processing and Selective Visual Display Systems 32 38 50 126 177 423
707 DP: Database and File Management or Data Structures (Data Processing) 47 64 69 106 130 416
375 Pulse or Digital Communications 28 52 61 114 149 404
362 Illumination 31 92 77 89 105 394
438 Semiconductor Device Manufacturing: Process 34 53 60 70 163 380
713 Support (Electrical Computers and Digital Processing Systems) 26 41 45 73 112 297
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 13 40 49 62 117 281
532 Organic Compounds (includes Classes 532-570) 23 29 47 59 85 243
324 Electricity: Measuring and Testing 30 41 38 47 58 214
349 Liquid Crystal Cells, Elements and Systems 12 20 39 50 86 207
714 Error Detection/Correction and Fault Detection/Recovery 20 19 32 57 79 207
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 18 29 30 41 68 186
381 Electrical Audio Signal Processing Systems and Devices 0 3 30 75 61 169
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 10 22 19 62 55 168
348 Television 16 22 15 52 62 167
726 Information Security 2 14 19 44 86 165
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 21 23 31 43 45 163
248 Supports (e.g., for holding articles, etc.) 7 27 29 49 48 160
363 Electric Power Conversion Systems 12 24 25 39 55 155
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 12 15 22 34 62 145
315 Electric Lamp and Discharge Devices: Systems 9 25 23 34 53 144
313 Electric Lamp and Discharge Devices 16 28 32 33 28 137
379 Telephonic Communications 19 12 21 43 42 137
398 Optical Communications 8 13 26 42 48 137
340 Communications: Electrical 20 22 14 34 45 135
165 Heat Exchange 24 24 22 34 29 133
435 Chemistry: Molecular Biology and Microbiology 13 23 15 26 51 128
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 8 21 25 27 40 121
200 Electricity: Circuit Makers and Breakers 13 19 14 35 38 119
250 Radiant Energy 15 19 23 32 30 119
717 DP: Software Development, Installation, and Management (Data Processing) 8 19 15 27 50 119
073 Measuring and Testing 14 18 20 29 34 115
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 16 13 27 28 24 108
310 Electrical Generator or Motor Structure 7 17 20 27 30 101
320 Electricity: Battery or Capacitor Charging or Discharging 8 14 16 38 25 101
711 Memory (Electrical Computers and Digital Processing Systems) 13 6 12 31 38 100
128 Surgery (includes Class 600) 5 12 16 36 29 98
428 Stock Material or Miscellaneous Articles 12 7 21 25 32 97
359 Optical: Systems and Elements 7 16 19 24 30 96
378 X-Ray or Gamma Ray Systems or Devices 25 36 13 11 11 96
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 14 10 18 31 23 96
318 Electricity: Motive Power Systems 10 14 10 30 31 95
174 Electricity: Conductors and Insulators 8 10 21 20 35 94
706 DP: Artificial Intelligence (Data Processing) 9 18 19 24 19 89
323 Electricity: Power Supply or Regulation Systems 7 17 12 17 35 88
423 Chemistry of Inorganic Compounds 9 15 15 17 29 85
029 Metal Working 13 5 12 27 23 80
341 Coded Data Generation or Conversion 3 11 13 26 23 76
702 DP: Measuring, Calibrating, or Testing (Data Processing) 9 15 13 19 20 76
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 3 11 20 39 76
356 Optics: Measuring and Testing 6 16 16 12 24 74
307 Electrical Transmission or Interconnection Systems 9 17 16 16 9 67
380 Cryptography 3 3 6 26 25 63
252 Compositions 2 4 15 20 20 61
360 Dynamic Magnetic Information Storage or Retrieval 20 15 6 13 6 60
427 Coating Processes 4 10 5 22 19 60
033 Geometrical Instruments 13 23 12 7 4 59
312 Supports: Cabinet Structure 3 8 7 15 26 59
210 Liquid Purification or Separation 7 7 7 21 14 56
074 Machine Element or Mechanism 1 3 4 9 38 55
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 7 7 17 22 55
385 Optical Waveguides 9 6 5 13 20 53
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 3 2 12 8 25 50
219 Electric Heating 3 10 4 18 15 50
365 Static Information Storage and Retrieval 7 3 7 16 17 50
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 5 8 11 16 9 49
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 7 13 3 20 48
280 Land Vehicles 12 5 11 8 12 48
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 8 9 10 16 47
343 Communications: Radio Wave Antennas 9 9 8 10 11 47
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 8 11 4 14 10 47
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 2 0 3 11 30 46
220 Receptacles 1 4 7 12 21 45
415 Rotary Kinetic Fluid Motors or Pumps 5 3 9 11 17 45
330 Amplifiers 3 7 11 11 12 44
358 Facsimile and Static Presentation Processing 2 5 12 8 17 44
241 Solid Material Comminution or Disintegration 8 6 6 11 11 42
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 4 7 6 23 41
052 Static Structures (e.g., Buildings) 5 6 7 8 14 40
005 Beds 8 5 4 11 10 38
137 Fluid Handling 2 2 2 9 23 38
292 Closure Fasteners 2 10 5 9 12 38
336 Inductor Devices 2 5 5 15 11 38
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 3 5 6 11 13 38
239 Fluid Sprinkling, Spraying, and Diffusing 1 5 4 13 12 35
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 1 1 1 11 21 35
333 Wave Transmission Lines and Networks 8 2 6 9 9 34
445 Electric Lamp or Space Discharge Component or Device Manufacturing 3 4 13 8 6 34
720 Dynamic Optical Information Storage or Retrieval 12 3 3 7 9 34
206 Special Receptacle or Package 5 12 6 2 8 33
417 Pumps 1 4 7 13 8 33
353 Optics: Image Projectors 1 4 9 7 11 32
396 Photography 6 8 7 4 7 32
004 Baths, Closets, Sinks, and Spittoons 0 3 4 11 13 31
040 Card, Picture, or Sign Exhibiting 1 6 6 10 8 31
347 Incremental Printing of Symbolic Information 4 4 7 6 10 31
446 Amusement Devices: Toys 1 2 10 16 2 31
135 Tent, Canopy, Umbrella, or Cane 2 2 4 11 11 30
180 Motor Vehicles 2 3 3 15 7 30
436 Chemistry: Analytical and Immunological Testing 1 5 9 9 6 30
297 Chairs and Seats 4 5 4 9 7 29
326 Electronic Digital Logic Circuitry 3 10 8 2 6 29
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 6 2 3 8 10 29
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 1 7 8 11 29
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 2 6 9 12 29
015 Brushing, Scrubbing, and General Cleaning 4 2 2 9 11 28
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 7 3 6 10 28
374 Thermal Measuring and Testing 3 4 2 11 7 27
331 Oscillators 0 3 9 8 6 26
482 Exercise Devices 6 6 5 2 7 26
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 3 4 9 9 26
072 Metal Deforming 4 2 5 7 7 25
269 Work Holders 2 2 5 6 10 25
030 Cutlery 6 2 7 5 4 24
290 Prime-Mover Dynamo Plants 1 6 3 8 6 24
108 Horizontally Supported Planar Surfaces 3 3 6 8 3 23
604 Surgery (Medicators and Receptors) 2 3 6 6 6 23
070 Locks 4 3 3 9 3 22
369 Dynamic Information Storage or Retrieval 4 5 3 4 6 22
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 4 3 8 5 22
725 Interactive Video Distribution Systems 0 2 4 6 10 22
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 5 8 3 4 1 21
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 2 6 3 3 7 21
148 Metal Treatment 1 4 4 7 5 21
254 Implements or Apparatus for Applying Pushing or Pulling Force 2 4 2 5 8 21
585 Chemistry of Hydrocarbon Compounds 0 5 4 7 5 21
099 Foods and Beverages: Apparatus 2 3 5 4 6 20
227 Elongated-Member-Driving Apparatus 1 2 4 3 10 20
475 Planetary Gear Transmission Systems or Components 0 2 4 5 9 20
601 Surgery: Kinesitherapy 0 4 6 7 3 20
606 Surgery (instruments) 1 4 3 5 7 20
708 Arithmetic Processing and Calculating (Electrical Computers) 1 2 3 6 8 20
096 Gas Separation: Apparatus 1 5 4 5 4 19
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 5 3 3 8 19
062 Refrigeration 0 3 2 6 7 18
296 Land Vehicles: Bodies and Tops 0 1 3 7 7 18
426 Food or Edible Material: Processes, Compositions, and Products 1 2 2 8 5 18
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 5 1 3 5 4 18
024 Buckles, Buttons, Clasps, Etc. 0 4 3 6 4 17
173 Tool Driving or Impacting 0 2 4 9 2 17
208 Mineral Oils: Processes and Products 2 2 1 1 11 17
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 4 5 4 3 17
403 Joints and Connections 2 1 2 7 5 17
416 Fluid Reaction Surfaces (i.e., Impellers) 0 2 7 3 5 17
060 Power Plants 0 0 6 3 7 16
123 Internal-Combustion Engines 2 1 4 5 4 16
198 Conveyors: Power-Driven 1 2 1 5 7 16
211 Supports: Racks 2 1 4 5 4 16
222 Dispensing (apparatus and process) 0 2 3 4 7 16
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 4 3 4 4 16
372 Coherent Light Generators 1 5 5 4 1 16
055 Gas Separation 2 4 3 5 1 15
188 Brakes 1 1 2 6 5 15
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 2 2 7 4 15
216 Etching a Substrate: Processes 0 0 4 2 9 15
251 Valves and Valve Actuation 0 0 1 5 9 15
095 Gas Separation: Processes 0 2 7 1 4 14
106 Compositions: Coating or Plastic 1 5 4 0 4 14
261 Gas and Liquid Contact Apparatus 0 2 4 5 3 14
294 Handling: Hand and Hoist-Line Implements 1 0 1 6 6 14
386 Motion Video Signal Processing for Recording or Reproducing 1 1 2 3 7 14
451 Abrading 2 1 2 4 5 14
607 Surgery: Light, Thermal, and Electrical Application 0 1 5 3 5 14
118 Coating Apparatus 1 1 1 5 5 13
119 Animal Husbandry 1 2 2 0 8 13
204 Chemistry: Electrical and Wave Energy 1 2 0 4 6 13
351 Optics: Eye Examining, Vision Testing and Correcting 2 1 4 5 1 13
400 Typewriting Machines 0 1 4 5 3 13
401 Coating Implements with Material Supply 0 1 1 4 7 13
136 Batteries: Thermoelectric and Photoelectric 0 0 1 3 8 12
164 Metal Founding 1 0 5 3 3 12
192 Clutches and Power-Stop Control 0 1 1 5 5 12
368 Horology: Time Measuring Systems or Devices 1 1 4 2 4 12
414 Material or Article Handling 0 3 2 4 3 12
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 1 1 5 5 12
126 Stoves and Furnaces 0 0 3 2 6 11
160 Flexible or Portable Closure, Partition, or Panel 0 5 1 0 5 11
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 2 4 2 0 3 11
279 Chucks or Sockets 2 2 3 3 1 11
366 Agitating (e.g., of articles and materials) 1 1 1 3 5 11
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 1 5 4 11
392 Electric Resistance Heating Devices 2 2 2 3 2 11
399 Electrophotography 3 1 1 2 4 11
053 Package Making 1 0 2 1 6 10
083 Cutting 0 3 2 4 1 10
134 Cleaning and Liquid Contact with Solids 1 2 3 3 1 10
181 Acoustics 0 2 2 3 3 10
228 Metal Fusion Bonding 1 0 2 2 5 10
384 Bearings 1 0 0 4 5 10
418 Rotary Expansible Chamber Devices 0 3 4 0 3 10
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 1 2 3 4 10
038 Textiles: Ironing or Smoothing 2 3 0 4 0 9
081 Tools 1 1 4 1 2 9
084 Music 1 3 3 0 2 9
104 Railways 5 2 2 0 0 9
162 Paper Making and Fiber Liberation 0 0 2 3 4 9
271 Sheet Feeding or Delivering 1 0 0 1 7 9
355 Photocopying 0 1 3 3 2 9
388 Electricity: Motor Control Systems 0 6 2 1 0 9
405 Hydraulic and Earth Engineering 0 2 0 4 3 9
410 Freight Accommodation On Freight Carrier 3 0 4 0 2 9
014 Bridges 1 3 1 1 2 8
105 Railway Rolling Stock 1 1 0 1 5 8
144 Woodworking 1 4 0 2 1 8
242 Winding, Tensioning, or Guiding 3 2 2 0 1 8
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 3 3 0 1 8
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 4 4 8
501 Compositions: Ceramic 0 1 1 3 3 8
101 Printing 1 2 2 1 1 7
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 1 0 3 3 7
177 Weighing Scales 1 2 1 1 2 7
236 Automatic Temperature and Humidity Regulation 0 2 3 1 1 7
266 Metallurgical Apparatus 1 0 2 3 1 7
338 Electrical Resistors 0 0 1 3 3 7
420 Alloys or Metallic Compositions 0 3 1 1 2 7
463 Amusement Devices: Games 1 0 1 1 4 7
473 Games Using Tangible Projectile 0 0 1 3 3 7
057 Textiles: Spinning, Twisting, and Twining 1 1 1 1 2 6
065 Glass Manufacturing 0 1 1 4 0 6
110 Furnaces 0 0 3 1 2 6
122 Liquid Heaters and Vaporizers 0 0 2 4 0 6
182 Fire Escape, Ladder, or Scaffold 0 0 3 0 3 6
209 Classifying, Separating, and Assorting Solids 2 1 1 0 2 6
224 Package and Article Carriers 0 1 0 4 1 6
034 Drying and Gas or Vapor Contact with Solids 0 0 0 3 2 5
048 Gas: Heating and Illuminating 0 1 3 1 0 5
071 Chemistry: Fertilizers 0 1 1 3 0 5
102 Ammunition and Explosives 0 1 0 3 1 5
175 Boring or Penetrating the Earth 0 1 3 0 1 5
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 2 1 2 5
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 5 0 5
244 Aeronautics and Astronautics 0 0 1 2 2 5
273 Amusement Devices: Games 1 1 1 1 1 5
285 Pipe Joints or Couplings 0 1 1 2 1 5
329 Demodulators 0 1 2 1 1 5
408 Cutting by Use of Rotating Axially Moving Tool 3 0 1 1 0 5
450 Foundation Garments 3 1 0 1 0 5
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 1 1 0 3 5
002 Apparel 0 1 1 2 0 4
036 Boots, Shoes, and Leggings 0 2 0 0 2 4
044 Fuel and Related Compositions 0 0 0 1 3 4
047 Plant Husbandry 0 1 1 1 1 4
049 Movable or Removable Closures 0 0 0 1 3 4
051 Abrasive Tool Making Process, Material, or Composition 0 0 2 1 1 4
100 Presses 1 0 0 0 3 4
131 Tobacco 0 0 1 0 3 4
132 Toilet 0 0 1 1 2 4
203 Distillation: Processes, Separatory 0 0 3 0 1 4
213 Railway Draft Appliances 0 0 0 2 2 4
215 Bottles and Jars 0 1 1 1 1 4
229 Envelopes, Wrappers, and Paperboard Boxes 1 1 0 2 0 4
322 Electricity: Single Generator Systems 0 1 1 0 2 4
404 Road Structure, Process, or Apparatus 2 0 0 1 1 4
409 Gear Cutting, Milling, or Planing 3 0 0 0 1 4
419 Powder Metallurgy Processes 2 1 1 0 0 4
434 Education and Demonstration 0 0 0 1 3 4
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 1 0 2 1 4
472 Amusement Devices 0 0 1 2 1 4
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 1 1 2 4
504 Plant Protecting and Regulating Compositions 0 2 0 0 2 4
505 Superconductor Technology: Apparatus, Material, Process 1 0 0 1 2 4
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 3 0 0 4
512 Perfume Compositions 1 0 0 2 1 4
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 3 0 1 0 4
023 Chemistry: Physical Processes 0 1 1 0 1 3
056 Harvesters 0 2 1 0 0 3
082 Turning (e.g., for metal working) 1 0 2 0 0 3
138 Pipes and Tubular Conduits 0 1 0 1 1 3
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 1 0 1 1 3
178 Telegraphy 0 1 0 0 2 3
190 Trunks and Hand-Carried Luggage 1 0 0 0 2 3
194 Check-Actuated Control Mechanisms 0 1 0 0 2 3
212 Traversing Hoists 2 0 1 0 0 3
238 Railways: Surface Track 0 1 1 0 1 3
249 Static Molds 0 0 1 0 2 3
267 Spring Devices 0 0 0 0 3 3
270 Sheet-Material Associating 0 0 0 1 2 3
337 Electricity: Electrothermally or Thermally Actuated Switches 0 2 0 0 1 3
431 Combustion 3 0 0 0 0 3
441 Buoys, Rafts, and Aquatic Devices 0 0 0 2 1 3
454 Ventilation 1 2 0 0 0 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 2 0 1 3
042 Firearms 0 0 1 0 1 2
043 Fishing, Trapping, and Vermin Destroying 1 0 0 1 0 2
063 Jewelry 0 1 1 0 0 2
114 Ships 0 0 0 2 0 2
116 Signals and Indicators 1 0 0 1 0 2
125 Stone Working 0 0 1 0 1 2
127 Sugar, Starch, and Carbohydrates 0 0 1 0 1 2
139 Textiles: Weaving 1 0 0 0 1 2
184 Lubrication 0 0 0 0 2 2
191 Electricity: Transmission To Vehicles 1 0 0 0 1 2
196 Mineral Oils: Apparatus 0 1 0 0 1 2
221 Article Dispensing 0 2 0 0 0 2
223 Apparel Apparatus 0 0 0 1 1 2
301 Land Vehicles: Wheels and Axles 0 0 2 0 0 2
383 Flexible Bags 0 0 0 1 1 2
433 Dentistry 0 0 0 2 0 2
494 Imperforate Bowl: Centrifugal Separators 0 0 0 2 0 2
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 0 2 0 2
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 1 1 2
019 Textiles: Fiber Preparation 1 0 0 0 0 1
028 Textiles: Manufacturing 0 0 0 0 1 1
066 Textiles: Knitting 0 1 0 0 0 1
068 Textiles: Fluid Treating Apparatus 0 0 1 0 0 1
076 Metal Tools and Implements, Making 1 0 0 0 0 1
079 Button Making 0 1 0 0 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 1 0 0 0 1
091 Motors: Expansible Chamber Type 1 0 0 0 0 1
092 Expansible Chamber Devices 1 0 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 0 0 1 0 1
112 Sewing 0 0 1 0 0 1
152 Resilient Tires and Wheels 0 0 0 1 0 1
157 Wheelwright Machines 0 0 0 0 1 1
159 Concentrating Evaporators 0 0 0 0 1 1
169 Fire Extinguishers 0 0 0 0 1 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 0 1 1
202 Distillation: Apparatus 0 0 0 0 1 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 1
281 Books, Strips, and Leaves 1 0 0 0 0 1
300 Brush, Broom, and Mop Making 0 0 1 0 0 1
332 Modulators 0 1 0 0 0 1
373 Industrial Electric Heating Furnaces 0 1 0 0 0 1
407 Cutters, for Shaping 0 0 1 0 0 1
412 Bookbinding: Process and Apparatus 0 0 0 1 0 1
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 1 1
602 Surgery: Splint, Brace, or Bandage 0 1 0 0 0 1
ALL ALL CLASSES 1655 2657 3174 4637 5928 18051



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