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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

SWITZERLAND

( 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 106 149 147 177 234 813
532 Organic Compounds (includes Classes 532-570) 43 72 72 75 83 345
368 Horology: Time Measuring Systems or Devices 47 58 39 52 73 269
606 Surgery (instruments) 19 35 45 68 79 246
604 Surgery (Medicators and Receptors) 23 41 47 40 59 210
073 Measuring and Testing 39 38 33 46 35 191
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 22 40 32 41 49 184
435 Chemistry: Molecular Biology and Microbiology 17 43 43 28 32 163
381 Electrical Audio Signal Processing Systems and Devices 21 21 33 24 34 133
428 Stock Material or Miscellaneous Articles 7 17 36 30 43 133
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 23 31 20 14 28 116
356 Optics: Measuring and Testing 22 27 16 22 15 102
128 Surgery (includes Class 600) 11 17 12 28 33 101
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 11 25 21 19 24 100
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 10 24 20 20 23 97
359 Optical: Systems and Elements 21 17 23 9 26 96
324 Electricity: Measuring and Testing 21 15 12 17 29 94
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 17 15 16 21 24 93
250 Radiant Energy 21 16 16 17 18 88
370 Multiplex Communications 12 23 21 15 17 88
455 Telecommunications 14 16 18 13 25 86
340 Communications: Electrical 10 19 13 14 25 81
060 Power Plants 20 10 14 11 25 80
707 DP: Database and File Management or Data Structures (Data Processing) 7 11 16 20 25 79
702 DP: Measuring, Calibrating, or Testing (Data Processing) 15 19 14 16 14 78
713 Support (Electrical Computers and Digital Processing Systems) 15 15 12 17 17 76
029 Metal Working 16 14 14 19 12 75
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 8 19 12 14 20 73
700 DP: Generic Control Systems or Specific Applications (Data Processing) 8 10 15 8 30 71
426 Food or Edible Material: Processes, Compositions, and Products 3 6 12 17 29 67
222 Dispensing (apparatus and process) 7 6 14 13 26 66
099 Foods and Beverages: Apparatus 10 16 7 10 21 64
375 Pulse or Digital Communications 7 19 10 17 11 64
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 13 12 11 14 14 64
198 Conveyors: Power-Driven 10 9 15 14 15 63
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 3 4 12 18 24 61
361 Electricity: Electrical Systems and Devices 12 8 13 10 16 59
382 Image Analysis 10 8 10 16 15 59
427 Coating Processes 6 11 20 13 9 59
270 Sheet-Material Associating 8 9 19 13 9 58
310 Electrical Generator or Motor Structure 9 11 21 9 8 58
415 Rotary Kinetic Fluid Motors or Pumps 8 12 12 10 16 58
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 5 14 14 11 13 57
052 Static Structures (e.g., Buildings) 2 7 7 17 20 53
438 Semiconductor Device Manufacturing: Process 7 12 5 9 19 52
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 8 15 11 13 52
345 Computer Graphics Processing and Selective Visual Display Systems 8 6 9 11 16 50
726 Information Security 3 2 12 16 12 45
380 Cryptography 10 11 6 8 8 43
204 Chemistry: Electrical and Wave Energy 2 17 7 5 11 42
714 Error Detection/Correction and Fault Detection/Recovery 9 5 4 11 12 41
106 Compositions: Coating or Plastic 4 11 6 11 8 40
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 6 4 6 12 12 40
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 5 11 7 4 13 40
015 Brushing, Scrubbing, and General Cleaning 5 4 10 8 12 39
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 15 8 5 3 7 38
433 Dentistry 4 8 5 9 12 38
219 Electric Heating 7 7 3 8 12 37
365 Static Information Storage and Retrieval 7 2 9 9 9 36
504 Plant Protecting and Regulating Compositions 6 5 6 4 15 36
363 Electric Power Conversion Systems 5 5 4 7 14 35
360 Dynamic Magnetic Information Storage or Retrieval 3 5 12 8 6 34
206 Special Receptacle or Package 3 9 7 6 8 33
271 Sheet Feeding or Delivering 7 8 5 5 7 32
033 Geometrical Instruments 7 7 3 5 9 31
366 Agitating (e.g., of articles and materials) 1 8 4 12 6 31
385 Optical Waveguides 8 10 4 4 5 31
137 Fluid Handling 3 6 5 7 9 30
210 Liquid Purification or Separation 5 4 6 6 9 30
341 Coded Data Generation or Conversion 9 5 7 6 3 30
177 Weighing Scales 5 7 4 9 4 29
348 Television 1 2 4 9 13 29
439 Electrical Connectors 3 8 4 5 9 29
607 Surgery: Light, Thermal, and Electrical Application 2 3 5 9 10 29
717 DP: Software Development, Installation, and Management (Data Processing) 2 3 5 7 12 29
369 Dynamic Information Storage or Retrieval 4 9 9 4 2 28
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 9 3 7 7 28
239 Fluid Sprinkling, Spraying, and Diffusing 5 1 11 1 9 27
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 5 3 7 1 11 27
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 4 2 3 6 12 27
053 Package Making 1 5 4 6 10 26
174 Electricity: Conductors and Insulators 4 5 6 3 8 26
318 Electricity: Motive Power Systems 4 2 5 11 4 26
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 4 8 4 10 26
280 Land Vehicles 3 4 4 8 6 25
118 Coating Apparatus 2 5 6 4 7 24
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 5 1 5 5 8 24
252 Compositions 6 3 1 9 5 24
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 5 1 3 8 7 24
072 Metal Deforming 10 1 2 4 6 23
251 Valves and Valve Actuation 3 2 3 5 10 23
436 Chemistry: Analytical and Immunological Testing 7 3 6 2 5 23
512 Perfume Compositions 4 8 3 5 3 23
101 Printing 4 1 3 9 5 22
372 Coherent Light Generators 3 4 3 7 5 22
416 Fluid Reaction Surfaces (i.e., Impellers) 3 5 1 7 6 22
431 Combustion 4 2 13 1 2 22
024 Buckles, Buttons, Clasps, Etc. 3 4 4 5 5 21
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 2 4 5 9 21
074 Machine Element or Mechanism 3 4 4 5 4 20
220 Receptacles 0 2 5 5 8 20
307 Electrical Transmission or Interconnection Systems 3 2 6 3 6 20
331 Oscillators 3 5 8 4 0 20
362 Illumination 2 8 5 2 3 20
417 Pumps 2 1 2 7 8 20
248 Supports (e.g., for holding articles, etc.) 0 2 5 7 5 19
330 Amplifiers 1 1 5 3 9 19
451 Abrading 2 3 2 7 5 19
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 9 2 3 5 0 19
706 DP: Artificial Intelligence (Data Processing) 1 3 1 7 7 19
711 Memory (Electrical Computers and Digital Processing Systems) 2 1 1 7 8 19
030 Cutlery 2 3 4 6 3 18
083 Cutting 3 6 3 5 1 18
139 Textiles: Weaving 5 10 2 1 0 18
164 Metal Founding 4 1 2 9 2 18
180 Motor Vehicles 1 3 5 1 8 18
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 2 4 6 4 17
215 Bottles and Jars 2 0 2 2 11 17
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 5 5 3 2 17
343 Communications: Radio Wave Antennas 2 3 2 5 5 17
057 Textiles: Spinning, Twisting, and Twining 1 9 3 3 0 16
123 Internal-Combustion Engines 2 3 2 4 5 16
414 Material or Article Handling 1 5 1 3 6 16
601 Surgery: Kinesitherapy 6 4 3 2 1 16
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 3 3 3 6 16
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 1 3 2 3 7 16
162 Paper Making and Fiber Liberation 4 2 2 3 4 15
241 Solid Material Comminution or Disintegration 1 5 3 2 4 15
283 Printed Matter 0 5 3 3 4 15
725 Interactive Video Distribution Systems 1 3 4 3 4 15
351 Optics: Eye Examining, Vision Testing and Correcting 0 1 6 3 4 14
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 3 4 1 5 14
423 Chemistry of Inorganic Compounds 2 0 5 4 3 14
004 Baths, Closets, Sinks, and Spittoons 0 1 4 3 5 13
200 Electricity: Circuit Makers and Breakers 1 2 4 2 4 13
216 Etching a Substrate: Processes 1 2 2 1 7 13
227 Elongated-Member-Driving Apparatus 3 2 2 5 1 13
358 Facsimile and Static Presentation Processing 0 2 1 1 9 13
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 3 2 3 3 13
095 Gas Separation: Processes 0 6 3 1 2 12
138 Pipes and Tubular Conduits 3 2 1 3 3 12
148 Metal Treatment 3 1 4 1 3 12
181 Acoustics 1 4 3 3 1 12
323 Electricity: Power Supply or Regulation Systems 4 1 3 2 2 12
374 Thermal Measuring and Testing 3 5 0 0 4 12
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 1 4 3 2 2 12
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 2 2 1 0 7 12
002 Apparel 0 3 2 5 1 11
131 Tobacco 0 3 3 3 2 11
228 Metal Fusion Bonding 2 1 3 3 2 11
269 Work Holders 0 2 3 3 3 11
315 Electric Lamp and Discharge Devices: Systems 3 0 1 4 3 11
320 Electricity: Battery or Capacitor Charging or Discharging 0 1 1 5 4 11
347 Incremental Printing of Symbolic Information 2 4 3 0 2 11
062 Refrigeration 2 1 4 3 0 10
173 Tool Driving or Impacting 2 3 3 1 1 10
285 Pipe Joints or Couplings 1 1 5 2 1 10
294 Handling: Hand and Hoist-Line Implements 1 1 1 5 2 10
333 Wave Transmission Lines and Networks 1 2 4 1 2 10
378 X-Ray or Gamma Ray Systems or Devices 0 2 4 3 1 10
065 Glass Manufacturing 1 0 4 3 1 9
084 Music 1 3 1 2 2 9
089 Ordnance 0 2 3 3 1 9
290 Prime-Mover Dynamo Plants 1 1 0 2 5 9
401 Coating Implements with Material Supply 2 3 1 1 2 9
403 Joints and Connections 1 3 3 1 1 9
434 Education and Demonstration 1 0 0 2 6 9
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 2 3 3 0 9
028 Textiles: Manufacturing 2 2 2 0 2 8
055 Gas Separation 1 3 1 2 1 8
126 Stoves and Furnaces 0 1 2 2 3 8
134 Cleaning and Liquid Contact with Solids 0 4 2 2 0 8
188 Brakes 2 0 0 4 2 8
244 Aeronautics and Astronautics 0 0 1 6 1 8
297 Chairs and Seats 3 1 2 1 1 8
300 Brush, Broom, and Mop Making 3 0 2 1 2 8
313 Electric Lamp and Discharge Devices 1 1 0 3 3 8
408 Cutting by Use of Rotating Axially Moving Tool 2 2 0 2 2 8
501 Compositions: Ceramic 0 2 4 1 1 8
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 4 2 2 8
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 1 1 3 3 8
019 Textiles: Fiber Preparation 2 2 0 1 2 7
063 Jewelry 2 2 1 1 1 7
100 Presses 1 2 0 4 0 7
102 Ammunition and Explosives 2 2 1 2 0 7
108 Horizontally Supported Planar Surfaces 2 0 0 0 5 7
209 Classifying, Separating, and Assorting Solids 0 0 1 2 4 7
254 Implements or Apparatus for Applying Pushing or Pulling Force 2 1 2 0 2 7
261 Gas and Liquid Contact Apparatus 0 2 1 3 1 7
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 3 2 1 1 0 7
336 Inductor Devices 0 0 4 1 2 7
349 Liquid Crystal Cells, Elements and Systems 0 3 2 1 1 7
379 Telephonic Communications 0 3 0 1 3 7
392 Electric Resistance Heating Devices 0 0 0 2 5 7
475 Planetary Gear Transmission Systems or Components 2 1 2 2 0 7
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 1 1 1 3 7
005 Beds 1 0 0 2 3 6
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 0 0 3 1 2 6
036 Boots, Shoes, and Leggings 2 1 0 2 1 6
104 Railways 0 1 2 1 2 6
105 Railway Rolling Stock 2 0 1 0 3 6
135 Tent, Canopy, Umbrella, or Cane 0 1 4 1 0 6
165 Heat Exchange 2 1 1 1 1 6
296 Land Vehicles: Bodies and Tops 0 2 1 0 3 6
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 2 1 2 1 6
384 Bearings 0 3 1 0 2 6
412 Bookbinding: Process and Apparatus 1 1 2 2 0 6
420 Alloys or Metallic Compositions 0 0 2 2 2 6
432 Heating 0 0 1 3 2 6
482 Exercise Devices 2 1 0 2 1 6
494 Imperforate Bowl: Centrifugal Separators 0 0 3 1 2 6
602 Surgery: Splint, Brace, or Bandage 0 1 3 1 1 6
708 Arithmetic Processing and Calculating (Electrical Computers) 2 0 3 1 0 6
037 Excavating 0 1 3 0 1 5
047 Plant Husbandry 2 1 1 1 0 5
066 Textiles: Knitting 1 4 0 0 0 5
081 Tools 3 1 0 0 1 5
096 Gas Separation: Apparatus 1 0 1 3 0 5
109 Safes, Bank Protection, or a Related Device 0 1 1 0 3 5
277 Seal for a Joint or Juncture 0 4 0 0 1 5
312 Supports: Cabinet Structure 0 1 2 2 0 5
326 Electronic Digital Logic Circuitry 1 1 2 0 1 5
398 Optical Communications 0 1 2 1 1 5
409 Gear Cutting, Milling, or Planing 0 2 1 1 1 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 3 1 0 0 1 5
454 Ventilation 0 0 1 1 3 5
463 Amusement Devices: Games 0 1 1 2 1 5
038 Textiles: Ironing or Smoothing 1 1 0 1 1 4
040 Card, Picture, or Sign Exhibiting 1 2 1 0 0 4
049 Movable or Removable Closures 1 1 0 1 1 4
070 Locks 2 0 1 1 0 4
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 1 0 2 0 4
082 Turning (e.g., for metal working) 0 0 0 3 1 4
114 Ships 0 0 0 2 2 4
160 Flexible or Portable Closure, Partition, or Panel 1 1 0 1 1 4
229 Envelopes, Wrappers, and Paperboard Boxes 2 0 1 0 1 4
242 Winding, Tensioning, or Guiding 1 2 1 0 0 4
267 Spring Devices 0 2 1 0 1 4
279 Chucks or Sockets 0 0 2 2 0 4
292 Closure Fasteners 1 0 0 0 3 4
301 Land Vehicles: Wheels and Axles 0 1 1 2 0 4
413 Sheet Metal Container Making 0 1 0 2 1 4
418 Rotary Expansible Chamber Devices 1 0 1 0 2 4
446 Amusement Devices: Toys 1 1 1 0 1 4
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 0 0 1 1 4
505 Superconductor Technology: Apparatus, Material, Process 1 0 2 0 1 4
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 1 0 0 1 4
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 1 1 2 4
048 Gas: Heating and Illuminating 0 0 0 2 1 3
059 Chain, Staple, and Horseshoe Making 1 1 0 0 1 3
112 Sewing 1 0 0 2 0 3
116 Signals and Indicators 2 0 0 0 1 3
136 Batteries: Thermoelectric and Photoelectric 0 0 1 1 1 3
149 Explosive and Thermic Compositions or Charges 1 0 0 0 2 3
182 Fire Escape, Ladder, or Scaffold 1 0 2 0 0 3
194 Check-Actuated Control Mechanisms 0 0 1 2 0 3
221 Article Dispensing 0 2 0 0 1 3
281 Books, Strips, and Leaves 0 1 1 1 0 3
303 Fluid-Pressure and Analogous Brake Systems 0 0 0 1 2 3
322 Electricity: Single Generator Systems 0 0 1 0 2 3
329 Demodulators 0 2 0 1 0 3
338 Electrical Resistors 0 0 2 1 0 3
355 Photocopying 1 0 0 0 2 3
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 2 0 1 0 3
383 Flexible Bags 0 1 0 2 0 3
396 Photography 0 1 1 1 0 3
404 Road Structure, Process, or Apparatus 0 2 1 0 0 3
405 Hydraulic and Earth Engineering 0 2 0 1 0 3
406 Conveyors: Fluid Current 0 0 0 3 0 3
472 Amusement Devices 0 1 1 1 0 3
473 Games Using Tangible Projectile 0 0 2 0 1 3
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 1 2 0 3
483 Tool Changing 2 0 0 0 1 3
034 Drying and Gas or Vapor Contact with Solids 1 0 0 0 1 2
043 Fishing, Trapping, and Vermin Destroying 0 0 2 0 0 2
076 Metal Tools and Implements, Making 0 0 0 1 1 2
092 Expansible Chamber Devices 0 1 0 0 1 2
110 Furnaces 0 1 0 1 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 1 1 0 0 2
125 Stone Working 0 0 0 2 0 2
152 Resilient Tires and Wheels 0 0 0 1 1 2
192 Clutches and Power-Stop Control 2 0 0 0 0 2
203 Distillation: Processes, Separatory 0 0 1 0 1 2
208 Mineral Oils: Processes and Products 1 0 1 0 0 2
332 Modulators 0 1 0 0 1 2
337 Electricity: Electrothermally or Thermally Actuated Switches 2 0 0 0 0 2
386 Motion Video Signal Processing for Recording or Reproducing 0 0 1 0 1 2
400 Typewriting Machines 0 1 0 0 1 2
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 1 0 0 1 2
407 Cutters, for Shaping 0 1 1 0 0 2
410 Freight Accommodation On Freight Carrier 0 1 0 0 1 2
440 Marine Propulsion 0 0 0 2 0 2
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 2 0 2
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 2 0 0 0 2
012 Boot and Shoe Making 0 0 0 0 1 1
014 Bridges 0 0 0 0 1 1
042 Firearms 0 0 0 1 0 1
044 Fuel and Related Compositions 0 1 0 0 0 1
068 Textiles: Fluid Treating Apparatus 1 0 0 0 0 1
091 Motors: Expansible Chamber Type 0 0 0 0 1 1
119 Animal Husbandry 0 0 0 0 1 1
122 Liquid Heaters and Vaporizers 0 0 1 0 0 1
124 Mechanical Guns and Projectors 0 0 0 1 0 1
127 Sugar, Starch, and Carbohydrates 0 0 0 1 0 1
132 Toilet 0 1 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 1 1
169 Fire Extinguishers 0 0 0 0 1 1
172 Earth Working 0 0 0 0 1 1
175 Boring or Penetrating the Earth 0 0 0 1 0 1
191 Electricity: Transmission To Vehicles 0 0 1 0 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 1 0 0 0 0 1
202 Distillation: Apparatus 0 0 1 0 0 1
211 Supports: Racks 0 0 0 1 0 1
224 Package and Article Carriers 0 0 1 0 0 1
225 Severing by Tearing or Breaking 0 0 0 0 1 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 1
236 Automatic Temperature and Humidity Regulation 0 0 0 0 1 1
238 Railways: Surface Track 1 0 0 0 0 1
246 Railway Switches and Signals 0 1 0 0 0 1
249 Static Molds 0 0 0 1 0 1
266 Metallurgical Apparatus 1 0 0 0 0 1
299 Mining or In Situ Disintegration of Hard Material 0 0 0 1 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 0 1 0 1
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 0 0 0 0 1
452 Butchering 0 0 0 0 1 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 0 1 1
474 Endless Belt Power Transmission Systems or Components 0 0 0 1 0 1
492 Roll or Roller 1 0 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 1 0 0 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 1 0 0 1
585 Chemistry of Hydrocarbon Compounds 0 0 0 0 1 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 1 0 1
720 Dynamic Optical Information Storage or Retrieval 0 0 1 0 0 1
ALL ALL CLASSES 1208 1608 1663 1831 2270 8580



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Electronic Information Products Division - PTMT
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email: oeip@uspto.gov

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