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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

MASSACHUSETTS

( 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 268 287 400 412 515 1882
370 Multiplex Communications 118 160 224 205 224 931
435 Chemistry: Molecular Biology and Microbiology 144 159 188 193 194 878
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 113 107 175 211 200 806
707 DP: Database and File Management or Data Structures (Data Processing) 80 119 169 153 182 703
250 Radiant Energy 113 136 132 102 117 600
606 Surgery (instruments) 48 60 135 164 186 593
128 Surgery (includes Class 600) 50 63 139 161 166 579
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 49 53 122 140 163 527
532 Organic Compounds (includes Classes 532-570) 77 88 96 98 152 511
711 Memory (Electrical Computers and Digital Processing Systems) 87 82 92 68 83 412
604 Surgery (Medicators and Receptors) 39 46 99 96 117 397
455 Telecommunications 42 71 76 88 113 390
382 Image Analysis 56 49 75 67 127 374
717 DP: Software Development, Installation, and Management (Data Processing) 30 41 65 61 89 286
438 Semiconductor Device Manufacturing: Process 46 40 48 72 78 284
375 Pulse or Digital Communications 53 41 60 58 65 277
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 46 43 66 55 64 274
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 58 43 58 58 47 264
356 Optics: Measuring and Testing 43 46 51 53 64 257
714 Error Detection/Correction and Fault Detection/Recovery 55 48 73 39 41 256
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 34 43 43 56 71 247
345 Computer Graphics Processing and Selective Visual Display Systems 33 47 56 43 63 242
726 Information Security 27 34 58 54 68 241
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 38 46 50 60 44 238
713 Support (Electrical Computers and Digital Processing Systems) 49 35 56 47 51 238
340 Communications: Electrical 35 32 41 55 73 236
702 DP: Measuring, Calibrating, or Testing (Data Processing) 56 37 51 40 50 234
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 27 35 51 59 60 232
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 21 43 47 61 59 231
073 Measuring and Testing 49 42 41 48 37 217
359 Optical: Systems and Elements 45 41 53 47 28 214
324 Electricity: Measuring and Testing 51 43 31 35 40 200
473 Games Using Tangible Projectile 43 46 35 30 36 190
210 Liquid Purification or Separation 29 36 46 35 38 184
385 Optical Waveguides 52 42 33 29 26 182
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 21 29 42 40 49 181
436 Chemistry: Analytical and Immunological Testing 20 22 37 52 48 179
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 38 32 35 31 32 168
381 Electrical Audio Signal Processing Systems and Devices 14 15 14 43 74 160
700 DP: Generic Control Systems or Specific Applications (Data Processing) 25 17 27 54 36 159
428 Stock Material or Miscellaneous Articles 24 28 32 45 28 157
378 X-Ray or Gamma Ray Systems or Devices 26 30 34 38 26 154
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 22 31 31 26 38 148
361 Electricity: Electrical Systems and Devices 25 27 23 36 23 134
315 Electric Lamp and Discharge Devices: Systems 26 22 23 30 29 130
362 Illumination 14 26 31 31 28 130
706 DP: Artificial Intelligence (Data Processing) 14 23 23 32 35 127
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 15 14 26 38 33 126
348 Television 13 11 17 22 48 111
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 16 14 29 26 23 108
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 21 17 28 20 21 107
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 16 16 16 25 33 106
607 Surgery: Light, Thermal, and Electrical Application 14 15 18 25 34 106
427 Coating Processes 13 16 21 19 35 104
379 Telephonic Communications 14 9 19 24 33 99
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 12 14 25 29 17 97
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 12 14 18 24 27 95
439 Electrical Connectors 22 23 20 14 13 92
310 Electrical Generator or Motor Structure 13 23 20 19 15 90
398 Optical Communications 14 16 10 29 18 87
036 Boots, Shoes, and Leggings 22 19 16 11 17 85
463 Amusement Devices: Games 7 4 18 25 31 85
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 10 19 15 18 17 79
341 Coded Data Generation or Conversion 20 15 14 14 14 77
372 Coherent Light Generators 12 18 20 13 14 77
380 Cryptography 10 21 14 16 14 75
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 9 11 16 16 22 74
313 Electric Lamp and Discharge Devices 14 8 16 18 17 73
219 Electric Heating 5 12 18 14 22 71
204 Chemistry: Electrical and Wave Energy 13 10 18 8 20 69
330 Amplifiers 8 16 25 11 9 69
360 Dynamic Magnetic Information Storage or Retrieval 17 19 17 12 4 69
307 Electrical Transmission or Interconnection Systems 5 15 12 17 17 66
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 14 15 13 13 11 66
029 Metal Working 8 4 14 17 19 62
174 Electricity: Conductors and Insulators 18 11 11 10 11 61
367 Communications, Electrical: Acoustic Wave Systems and Devices 11 13 12 9 15 60
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 7 11 12 17 12 59
062 Refrigeration 11 2 9 22 14 58
052 Static Structures (e.g., Buildings) 6 9 15 10 17 57
084 Music 11 11 10 14 11 57
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 6 6 16 16 13 57
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 8 8 17 13 11 57
423 Chemistry of Inorganic Compounds 9 10 13 16 7 55
248 Supports (e.g., for holding articles, etc.) 5 12 9 11 17 54
123 Internal-Combustion Engines 16 6 14 7 8 51
343 Communications: Radio Wave Antennas 13 8 10 10 10 51
358 Facsimile and Static Presentation Processing 7 8 6 16 14 51
333 Wave Transmission Lines and Networks 6 10 18 12 4 50
002 Apparel 5 6 13 16 9 49
060 Power Plants 9 10 11 7 12 49
252 Compositions 6 7 9 9 18 49
482 Exercise Devices 4 5 10 17 13 49
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 10 14 13 5 6 48
005 Beds 6 9 10 11 11 47
206 Special Receptacle or Package 8 8 8 14 8 46
351 Optics: Eye Examining, Vision Testing and Correcting 17 3 8 9 8 45
602 Surgery: Splint, Brace, or Bandage 5 8 8 12 12 45
725 Interactive Video Distribution Systems 6 0 9 16 14 45
042 Firearms 4 6 10 13 11 44
280 Land Vehicles 5 6 12 12 9 44
415 Rotary Kinetic Fluid Motors or Pumps 5 1 9 9 20 44
708 Arithmetic Processing and Calculating (Electrical Computers) 12 5 5 11 10 43
320 Electricity: Battery or Capacitor Charging or Discharging 6 2 10 16 8 42
451 Abrading 10 7 6 12 6 41
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 7 7 5 10 11 40
297 Chairs and Seats 6 2 11 12 9 40
347 Incremental Printing of Symbolic Information 16 2 8 6 8 40
318 Electricity: Motive Power Systems 7 5 5 10 12 39
030 Cutlery 5 3 9 11 10 38
137 Fluid Handling 2 6 10 10 10 38
015 Brushing, Scrubbing, and General Cleaning 8 4 4 10 11 37
216 Etching a Substrate: Processes 7 3 6 7 14 37
222 Dispensing (apparatus and process) 4 3 8 8 14 37
363 Electric Power Conversion Systems 6 13 4 9 5 37
414 Material or Article Handling 4 5 8 7 13 37
323 Electricity: Power Supply or Regulation Systems 9 4 4 5 11 33
040 Card, Picture, or Sign Exhibiting 8 3 7 6 8 32
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 6 4 7 6 9 32
118 Coating Apparatus 7 2 7 7 9 32
119 Animal Husbandry 8 4 4 11 5 32
180 Motor Vehicles 5 5 7 7 8 32
220 Receptacles 1 6 8 8 9 32
290 Prime-Mover Dynamo Plants 4 14 4 5 5 32
089 Ordnance 5 2 2 7 15 31
136 Batteries: Thermoelectric and Photoelectric 3 3 9 8 8 31
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 2 2 10 8 9 31
601 Surgery: Kinesitherapy 4 5 4 8 10 31
095 Gas Separation: Processes 7 2 5 9 7 30
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 7 4 5 6 8 30
365 Static Information Storage and Retrieval 4 7 4 5 9 29
106 Compositions: Coating or Plastic 1 5 8 8 6 28
416 Fluid Reaction Surfaces (i.e., Impellers) 6 4 2 6 10 28
417 Pumps 1 3 6 8 10 28
434 Education and Demonstration 5 2 7 6 7 27
114 Ships 7 4 4 4 7 26
244 Aeronautics and Astronautics 5 1 5 8 7 26
273 Amusement Devices: Games 10 7 3 4 2 26
162 Paper Making and Fiber Liberation 1 3 4 9 8 25
227 Elongated-Member-Driving Apparatus 2 6 6 7 4 25
326 Electronic Digital Logic Circuitry 5 2 11 2 5 25
426 Food or Edible Material: Processes, Compositions, and Products 4 5 9 3 4 25
241 Solid Material Comminution or Disintegration 2 5 7 4 5 23
369 Dynamic Information Storage or Retrieval 6 1 4 9 3 23
055 Gas Separation 1 5 3 8 5 22
101 Printing 4 0 4 7 7 22
396 Photography 3 4 8 4 3 22
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 8 7 3 2 22
331 Oscillators 6 3 6 2 4 21
033 Geometrical Instruments 2 4 5 6 3 20
051 Abrasive Tool Making Process, Material, or Composition 1 3 1 9 6 20
072 Metal Deforming 4 3 3 5 5 20
099 Foods and Beverages: Apparatus 2 4 3 6 5 20
181 Acoustics 1 8 2 4 5 20
294 Handling: Hand and Hoist-Line Implements 4 3 3 3 6 19
239 Fluid Sprinkling, Spraying, and Diffusing 1 4 4 6 3 18
053 Package Making 7 2 1 4 3 17
126 Stoves and Furnaces 3 0 5 3 6 17
228 Metal Fusion Bonding 2 2 1 7 5 17
251 Valves and Valve Actuation 5 0 5 2 5 17
349 Liquid Crystal Cells, Elements and Systems 3 4 6 3 1 17
433 Dentistry 4 2 2 5 4 17
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 5 5 1 5 0 16
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 3 1 1 9 2 16
070 Locks 2 0 2 4 7 15
102 Ammunition and Explosives 2 5 3 3 2 15
366 Agitating (e.g., of articles and materials) 3 1 3 6 2 15
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 0 4 4 5 15
494 Imperforate Bowl: Centrifugal Separators 3 3 3 2 4 15
501 Compositions: Ceramic 1 1 5 3 5 15
004 Baths, Closets, Sinks, and Spittoons 1 2 3 4 4 14
083 Cutting 3 3 3 2 3 14
134 Cleaning and Liquid Contact with Solids 1 3 1 4 5 14
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 1 6 3 4 14
505 Superconductor Technology: Apparatus, Material, Process 1 2 3 3 5 14
024 Buckles, Buttons, Clasps, Etc. 2 2 1 3 5 13
336 Inductor Devices 4 2 3 2 2 13
454 Ventilation 0 2 5 1 5 13
585 Chemistry of Hydrocarbon Compounds 2 1 5 2 3 13
285 Pipe Joints or Couplings 4 1 2 4 1 12
296 Land Vehicles: Bodies and Tops 4 1 6 0 1 12
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 1 5 3 2 12
353 Optics: Image Projectors 2 4 2 2 2 12
160 Flexible or Portable Closure, Partition, or Panel 0 4 3 2 2 11
386 Motion Video Signal Processing for Recording or Reproducing 0 2 3 2 4 11
043 Fishing, Trapping, and Vermin Destroying 1 2 1 2 4 10
048 Gas: Heating and Illuminating 4 2 0 3 1 10
110 Furnaces 2 1 2 3 2 10
135 Tent, Canopy, Umbrella, or Cane 1 0 2 5 2 10
148 Metal Treatment 1 3 2 1 3 10
224 Package and Article Carriers 0 3 3 0 4 10
440 Marine Propulsion 2 2 2 3 1 10
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 2 4 1 2 10
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 0 3 1 3 2 9
074 Machine Element or Mechanism 1 0 0 0 8 9
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 3 1 2 2 1 9
082 Turning (e.g., for metal working) 1 2 1 3 2 9
132 Toilet 2 2 1 1 3 9
138 Pipes and Tubular Conduits 0 3 2 4 0 9
261 Gas and Liquid Contact Apparatus 5 0 2 0 2 9
292 Closure Fasteners 2 2 0 1 4 9
312 Supports: Cabinet Structure 3 1 1 3 1 9
374 Thermal Measuring and Testing 3 1 3 0 2 9
165 Heat Exchange 3 0 1 2 2 8
169 Fire Extinguishers 2 0 3 1 2 8
175 Boring or Penetrating the Earth 1 0 2 3 2 8
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 2 1 3 2 8
198 Conveyors: Power-Driven 3 0 2 2 1 8
215 Bottles and Jars 1 1 1 4 1 8
242 Winding, Tensioning, or Guiding 2 2 0 1 3 8
277 Seal for a Joint or Juncture 0 3 5 0 0 8
404 Road Structure, Process, or Apparatus 0 4 2 1 1 8
431 Combustion 3 1 1 1 2 8
034 Drying and Gas or Vapor Contact with Solids 3 0 0 1 3 7
081 Tools 0 1 3 2 1 7
200 Electricity: Circuit Makers and Breakers 1 1 1 2 2 7
221 Article Dispensing 2 2 1 1 1 7
383 Flexible Bags 0 2 1 1 3 7
392 Electric Resistance Heating Devices 0 1 1 2 3 7
401 Coating Implements with Material Supply 0 1 0 1 5 7
407 Cutters, for Shaping 0 3 1 3 0 7
211 Supports: Racks 2 1 2 0 1 6
355 Photocopying 3 1 2 0 0 6
384 Bearings 0 0 4 1 1 6
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 1 1 1 0 6
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 4 5
028 Textiles: Manufacturing 1 1 1 1 1 5
037 Excavating 2 0 2 1 0 5
044 Fuel and Related Compositions 0 1 0 2 2 5
047 Plant Husbandry 0 1 1 2 1 5
049 Movable or Removable Closures 1 2 1 1 0 5
076 Metal Tools and Implements, Making 1 1 1 2 0 5
096 Gas Separation: Apparatus 0 3 0 0 2 5
100 Presses 1 1 1 0 2 5
124 Mechanical Guns and Projectors 1 1 2 0 1 5
139 Textiles: Weaving 2 2 0 1 0 5
144 Woodworking 0 0 1 2 2 5
208 Mineral Oils: Processes and Products 0 0 0 4 1 5
419 Powder Metallurgy Processes 1 1 1 0 2 5
063 Jewelry 1 0 2 0 1 4
104 Railways 2 0 1 1 0 4
108 Horizontally Supported Planar Surfaces 1 1 1 1 0 4
125 Stone Working 0 1 1 1 1 4
182 Fire Escape, Ladder, or Scaffold 0 2 0 0 2 4
236 Automatic Temperature and Humidity Regulation 0 1 1 1 1 4
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 1 1 1 0 4
283 Printed Matter 1 0 0 2 1 4
368 Horology: Time Measuring Systems or Devices 0 1 1 1 1 4
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 2 1 1 4
405 Hydraulic and Earth Engineering 2 2 0 0 0 4
408 Cutting by Use of Rotating Axially Moving Tool 0 1 0 0 3 4
410 Freight Accommodation On Freight Carrier 0 1 3 0 0 4
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 2 1 1 0 4
446 Amusement Devices: Toys 2 0 1 0 1 4
056 Harvesters 0 0 0 3 0 3
116 Signals and Indicators 0 0 0 2 1 3
190 Trunks and Hand-Carried Luggage 0 0 0 2 1 3
209 Classifying, Separating, and Assorting Solids 0 1 0 0 2 3
223 Apparel Apparatus 0 1 0 0 2 3
269 Work Holders 0 0 0 3 0 3
270 Sheet-Material Associating 0 1 0 1 1 3
338 Electrical Resistors 1 0 1 0 1 3
403 Joints and Connections 1 0 0 1 1 3
406 Conveyors: Fluid Current 0 1 0 1 1 3
450 Foundation Garments 2 0 1 0 0 3
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 2 0 0 0 3
472 Amusement Devices 1 0 0 1 1 3
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 1 1 0 0 3
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 0 1 1 3
026 Textiles: Cloth Finishing 0 0 1 0 1 2
057 Textiles: Spinning, Twisting, and Twining 0 1 1 0 0 2
065 Glass Manufacturing 0 0 2 0 0 2
068 Textiles: Fluid Treating Apparatus 0 2 0 0 0 2
092 Expansible Chamber Devices 1 0 1 0 0 2
105 Railway Rolling Stock 1 0 0 0 1 2
112 Sewing 1 1 0 0 0 2
122 Liquid Heaters and Vaporizers 1 0 0 0 1 2
172 Earth Working 1 0 0 1 0 2
173 Tool Driving or Impacting 0 0 1 1 0 2
184 Lubrication 0 0 1 1 0 2
188 Brakes 0 0 1 0 1 2
192 Clutches and Power-Stop Control 0 1 0 0 1 2
225 Severing by Tearing or Breaking 0 0 1 0 1 2
232 Deposit and Collection Receptacles 2 0 0 0 0 2
249 Static Molds 0 0 0 2 0 2
256 Fences 0 2 0 0 0 2
271 Sheet Feeding or Delivering 0 0 0 1 1 2
281 Books, Strips, and Leaves 1 0 1 0 0 2
293 Vehicle Fenders 0 0 0 1 1 2
301 Land Vehicles: Wheels and Axles 0 0 1 1 0 2
329 Demodulators 1 0 0 0 1 2
332 Modulators 0 0 2 0 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 2 0 0 0 0 2
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 1 1 2
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 1 0 0 2
399 Electrophotography 1 1 0 0 0 2
409 Gear Cutting, Milling, or Planing 2 0 0 0 0 2
418 Rotary Expansible Chamber Devices 0 0 0 1 1 2
441 Buoys, Rafts, and Aquatic Devices 0 0 0 2 0 2
452 Butchering 2 0 0 0 0 2
453 Coin Handling 0 1 1 0 0 2
475 Planetary Gear Transmission Systems or Components 0 1 0 0 1 2
588 Hazardous or Toxic Waste Destruction or Containment 0 0 1 1 0 2
023 Chemistry: Physical Processes 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 0 0 0 1 1
054 Harness for Working Animal 1 0 0 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 0 1 1
066 Textiles: Knitting 0 0 1 0 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 0 1 1
131 Tobacco 0 0 1 0 0 1
140 Wireworking 1 0 0 0 0 1
149 Explosive and Thermic Compositions or Charges 0 1 0 0 0 1
152 Resilient Tires and Wheels 0 0 1 0 0 1
159 Concentrating Evaporators 0 0 1 0 0 1
164 Metal Founding 0 0 1 0 0 1
177 Weighing Scales 1 0 0 0 0 1
186 Merchandising 0 0 0 1 0 1
203 Distillation: Processes, Separatory 0 0 0 0 1 1
212 Traversing Hoists 1 0 0 0 0 1
229 Envelopes, Wrappers, and Paperboard Boxes 0 0 0 0 1 1
237 Heating Systems 0 1 0 0 0 1
266 Metallurgical Apparatus 0 0 0 1 0 1
279 Chucks or Sockets 1 0 0 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 0 0 0 0 1 1
305 Wheel Substitutes for Land Vehicles 1 0 0 0 0 1
400 Typewriting Machines 0 0 0 0 1 1
412 Bookbinding: Process and Apparatus 0 0 1 0 0 1
420 Alloys or Metallic Compositions 1 0 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 0 1
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 1 1
476 Friction Gear Transmission Systems or Components 1 0 0 0 0 1
492 Roll or Roller 0 0 0 1 0 1
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 1 0 0 1
512 Perfume Compositions 0 1 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 0 0 0 1
720 Dynamic Optical Information Storage or Retrieval 1 0 0 0 0 1
ALL ALL CLASSES 3516 3696 4923 5191 5734 23060


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