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


U.S. GOVERNMENT -
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2003

- this report has been prepared with support from the National Science Foundation -


BREAKOUT BY TECHNOLOGY CLASS -
PATENTS DISTRIBUTED BY CALENDAR YEAR OF PATENT APPLICATION

NUMBER OF UTILITY PATENTS ASSIGNED ANNUALLY
TO THE U.S. GOVERNMENT

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period

This Table Displays Patent Counts By Technology Class
For Patents Granted To The Following U.S. Government Entity:

UNITED STATES OF AMERICA, ARMY

( count of patent grants, as distributed by calendar year of patent application )
( technology class is determined by the primary patent classification - see 'Explanation of Data' )

This table displays annual patent counts for the selected U.S. Government entry.
Counts of granted patents are distributed by the year of patent filing.
There may be multiple assignee names associated
with a U.S. Government department, agency, etc.
Class Class Title PRE_1983 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Total
102 Ammunition and Explosives 532 17 7 8 8 2 7 16 12 10 15 8 9 6 13 10 12 2 12 9 7 0 722
089 Ordnance 247 9 1 2 9 6 7 7 4 4 8 8 4 6 3 5 2 4 6 4 1 0 347
073 Measuring and Testing 220 8 8 4 2 5 8 3 7 3 4 8 3 11 9 4 5 7 2 3 2 1 327
250 Radiant Energy 155 5 8 8 5 6 5 10 12 7 9 12 10 7 7 4 9 5 6 0 0 0 290
149 Explosive and Thermic Compositions or Charges 190 6 5 4 1 1 4 7 1 3 1 2 3 1 3 0 4 7 1 2 0 0 246
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 160 5 3 1 1 0 2 2 1 6 2 7 6 6 2 4 4 3 4 1 1 0 221
244 Aeronautics 134 3 6 8 4 0 2 3 6 1 3 5 3 3 5 6 4 2 5 9 4 0 216
532 Organic Compounds (includes Classes 532-570) 165 2 4 3 4 1 1 1 3 5 10 1 1 4 1 0 7 1 1 0 0 0 215
343 Communications: Radio Wave Antennas 122 7 4 4 5 1 2 2 0 1 2 3 6 6 3 1 6 5 4 0 0 0 184
356 Optics: Measuring and Testing 115 4 8 5 3 3 1 3 0 2 2 1 3 5 4 5 1 0 4 2 0 0 171
324 Electricity: Measuring and Testing 106 2 2 2 0 3 4 4 5 8 1 2 6 3 2 1 3 5 3 4 1 0 167
359 Optics: Systems and Elements 76 8 8 5 10 0 4 4 3 1 5 8 2 9 3 5 6 2 5 1 0 0 165
333 Wave Transmission Lines and Networks 97 5 3 5 0 4 9 2 0 4 7 6 3 2 1 1 0 1 1 1 0 0 152
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 40 1 4 2 5 3 1 0 1 7 1 1 8 11 7 6 6 9 12 13 2 0 140
137 Fluid Handling 95 3 0 2 2 3 0 1 3 1 0 0 0 0 1 1 0 0 0 0 0 0 112
372 Coherent Light Generators 64 3 5 3 3 3 3 3 3 1 2 1 1 2 1 3 1 1 0 0 0 0 103
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 94 0 1 0 0 0 0 0 0 1 3 1 0 0 0 1 0 0 0 0 0 0 101
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 41 0 3 3 0 0 1 1 2 1 5 13 8 7 3 1 4 3 2 2 0 0 100
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 46 1 3 1 3 5 3 0 8 1 5 6 3 4 2 1 1 1 2 2 0 0 98
060 Power Plants 75 1 3 2 0 0 0 0 1 3 0 2 1 1 0 0 0 0 0 0 0 0 89
310 Electrical Generator or Motor Structure 34 3 3 5 1 3 0 4 1 5 1 3 6 5 1 2 1 2 1 0 0 0 81
435 Chemistry: Molecular Biology and Microbiology 15 1 0 0 2 1 0 2 1 2 0 1 4 9 4 6 10 7 11 5 0 0 81
331 Oscillators 40 1 7 5 3 2 3 1 1 1 3 4 1 3 2 2 0 0 0 0 0 0 79
042 Firearms 58 4 0 0 0 0 0 2 2 2 2 2 1 0 0 2 0 1 1 0 0 0 77
313 Electric Lamp and Discharge Devices 59 0 2 1 1 0 0 0 0 0 2 0 0 2 2 0 2 0 0 0 0 0 71
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 49 1 2 1 0 1 1 1 0 1 2 1 0 0 4 3 0 0 1 1 0 0 69
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 3 0 1 0 4 3 5 7 4 7 3 2 9 6 2 2 1 3 3 1 1 0 67
427 Coating Processes 40 2 0 0 0 1 2 4 3 2 0 0 2 2 4 0 1 0 0 1 0 0 64
348 Television 37 3 0 0 1 0 1 1 1 3 4 2 5 1 0 3 1 0 0 0 0 0 63
428 Stock Material or Miscellaneous Articles 37 3 0 0 2 0 1 3 1 0 4 2 1 1 1 1 3 0 0 1 1 0 62
340 Communications: Electrical 30 1 1 1 1 0 1 2 1 0 1 1 3 2 5 3 2 4 1 0 0 0 60
436 Chemistry: Analytical and Immunological Testing 35 3 0 0 2 2 0 0 1 2 0 2 1 1 4 2 3 2 0 0 0 0 60
029 Metal Working 35 3 1 1 2 1 0 1 3 4 0 1 2 1 2 1 0 1 0 0 0 0 59
438 Semiconductor Device Manufacturing: Process 37 3 1 1 2 0 2 2 0 0 1 1 1 0 2 1 0 1 0 1 1 0 57
455 Telecommunications 46 3 2 0 0 0 2 1 0 0 0 0 0 1 2 0 0 0 0 0 0 0 57
315 Electric Lamp and Discharge Devices: Systems 38 2 6 0 0 0 0 0 0 0 1 0 0 4 1 0 0 2 1 1 0 0 56
074 Machine Element or Mechanism 42 2 0 1 2 1 1 1 0 0 2 0 0 0 2 0 0 0 0 0 0 0 54
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 36 0 4 1 0 0 1 0 1 0 0 3 0 0 2 0 1 2 1 0 0 0 52
128 Surgery (includes Class 600) 15 2 1 1 0 2 0 2 1 2 0 1 2 0 2 2 3 8 2 5 0 0 51
426 Food or Edible Material: Processes, Compositions, and Products 42 0 1 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 47
330 Amplifiers 39 0 1 0 0 1 0 2 0 1 0 1 0 0 0 0 1 0 0 0 0 0 46
375 Pulse or Digital Communications 31 5 1 1 0 0 0 0 0 2 1 1 3 0 1 0 0 0 0 0 0 0 46
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 36 2 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 43
361 Electricity: Electrical Systems and Devices 26 0 1 3 0 0 0 2 1 0 2 1 2 1 0 1 1 1 0 1 0 0 43
385 Optical Waveguides 14 0 1 1 0 1 1 0 0 1 3 5 1 4 0 3 3 4 0 1 0 0 43
280 Land Vehicles 21 0 3 1 0 1 2 0 0 2 2 1 0 1 3 0 3 0 0 0 1 0 41
434 Education and Demonstration 15 0 2 2 1 0 0 0 2 2 0 3 5 1 2 2 0 0 0 1 1 0 39
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 24 0 1 0 0 0 0 0 2 1 1 1 1 1 1 1 1 0 2 0 0 0 37
367 Communications, Electrical: Acoustic Wave Systems and Devices 19 0 0 0 0 0 0 2 0 1 3 1 2 3 2 2 1 0 0 0 0 0 36
062 Refrigeration 27 0 3 1 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 35
374 Thermal Measuring and Testing 25 1 0 0 0 0 1 1 0 0 2 0 1 2 0 0 0 0 2 0 0 0 35
204 Chemistry: Electrical and Wave Energy 23 1 1 0 0 0 0 2 1 0 1 1 3 0 0 0 0 0 1 0 0 0 34
252 Compositions 13 0 2 1 0 0 1 1 10 0 0 0 0 1 0 1 2 0 0 0 0 0 32
086 Ammunition and Explosive-Charge Making 21 1 0 0 0 1 0 1 0 0 0 3 2 1 0 1 0 0 0 0 0 0 31
033 Geometrical Instruments 21 1 2 0 2 0 1 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 30
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 17 0 1 1 0 0 0 2 1 0 1 1 0 2 0 2 0 0 2 0 0 0 30
423 Chemistry of Inorganic Compounds 19 0 1 2 1 1 2 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 30
002 Apparel 15 0 1 1 0 0 3 1 0 0 1 1 0 1 0 0 0 1 1 3 0 0 29
305 Wheel Substitutes for Land Vehicles 22 1 0 0 1 1 0 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 29
702 DP: Measuring, Calibrating, or Testing (Data Processing) 9 0 0 0 0 0 0 1 1 2 0 1 2 1 5 2 1 1 3 0 0 0 29
708 Arithmetic Processing and Calculating (Electrical Computers) 22 2 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 29
370 Multiplex Communications 25 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 28
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 21 0 1 1 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 26
365 Static Information Storage and Retrieval 23 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25
174 Electricity: Conductors and Insulators 14 1 0 0 0 0 0 1 2 1 0 1 1 2 0 1 0 0 0 0 0 0 24
398 Optical Communications 13 1 1 2 1 0 0 0 0 0 1 2 0 1 0 1 0 1 0 0 0 0 24
248 Supports (e.g., for holding articles, etc.) 12 0 0 1 0 0 0 0 0 1 2 1 0 1 1 1 0 1 0 2 0 0 23
341 Coded Data Generation or Conversion 16 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 23
382 Image Analysis 7 0 1 0 1 1 2 0 0 1 0 0 0 1 2 0 3 4 0 0 0 0 23
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 0 0 3 5 2 1 1 4 1 4 0 1 0 1 0 0 0 0 23
239 Fluid Sprinkling, Spraying, and Diffusing 18 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 22
363 Electric Power Conversion Systems 18 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 1 0 0 0 22
148 Metal Treatment 16 0 0 0 0 0 1 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 21
216 Etching a Substrate: Processes 11 1 0 1 1 0 2 0 1 1 0 0 2 0 0 0 1 0 0 0 0 0 21
219 Electric Heating 14 1 0 1 1 0 0 0 0 0 1 1 0 0 1 0 0 1 0 0 0 0 21
405 Hydraulic and Earth Engineering 2 0 0 1 0 0 0 0 0 2 7 1 1 5 0 1 0 0 0 1 0 0 21
169 Fire Extinguishers 10 0 0 1 1 0 1 0 1 0 0 0 0 1 1 2 0 1 1 0 0 0 20
200 Electricity: Circuit Makers and Breakers 17 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 20
439 Electrical Connectors 13 0 1 1 1 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1 0 0 20
445 Electric Lamp or Space Discharge Component or Device Manufacturing 9 0 0 0 1 2 2 1 3 1 0 0 0 0 0 0 1 0 0 0 0 0 20
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 16 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 19
123 Internal-Combustion Engines 9 1 0 0 0 1 1 1 0 0 0 0 1 0 1 0 0 2 2 0 0 0 19
180 Motor Vehicles 11 1 1 0 0 1 0 0 0 0 0 0 1 1 2 0 0 0 1 0 0 0 19
378 X-Ray or Gamma Ray Systems or Devices 16 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 19
106 Compositions: Coating or Plastic 8 0 0 0 0 0 0 1 0 0 2 3 0 2 0 0 1 0 0 0 1 0 18
136 Batteries: Thermoelectric and Photoelectric 10 0 0 0 0 0 0 1 1 0 0 0 3 2 0 0 1 0 0 0 0 0 18
307 Electrical Transmission or Interconnection Systems 11 1 1 0 0 0 1 0 1 1 0 0 0 0 0 0 1 0 1 0 0 0 18
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 9 1 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 0 2 0 0 0 18
403 Joints and Connections 7 1 0 0 1 0 0 1 0 2 1 1 0 0 1 1 1 0 0 1 0 0 18
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 15 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
362 Illumination 10 1 0 1 1 0 0 0 0 0 0 2 0 0 0 0 0 0 1 1 0 0 17
588 Hazardous or Toxic Waste Destruction or Containment 0 0 1 0 1 0 0 0 0 0 0 1 3 1 4 4 1 1 0 0 0 0 17
165 Heat Exchange 7 2 1 0 0 0 0 1 0 1 2 0 0 0 0 1 0 1 0 0 0 0 16
210 Liquid Purification or Separation 7 0 0 1 0 1 0 1 0 3 0 0 1 0 1 0 0 1 0 0 0 0 16
414 Material or Article Handling 11 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 16
118 Coating Apparatus 11 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 15
206 Special Receptacle or Package 9 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 15
254 Implements or Apparatus for Applying Pushing or Pulling Force 11 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 15
320 Electricity: Battery or Capacitor Charging or Discharging 8 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 0 3 1 0 0 0 15
376 Induced Nuclear Reactions: Processes, Systems, and Elements 8 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 5 0 15
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 10 0 1 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 15
501 Compositions: Ceramic 4 0 0 1 0 0 0 0 1 0 0 0 2 2 1 0 2 1 1 0 0 0 15
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 2 0 1 1 0 1 0 0 0 1 0 0 2 1 0 1 1 2 0 0 0 15
044 Fuel and Related Compositions 9 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 1 0 0 0 14
220 Receptacles 9 0 1 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 14
714 Error Detection/Correction and Fault Detection/Recovery 7 2 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 0 13
091 Motors: Expansible Chamber Type 11 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
228 Metal Fusion Bonding 9 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 12
242 Winding, Tensioning, or Guiding 6 0 0 1 0 1 0 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 12
285 Pipe Joints or Couplings 8 1 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 12
294 Handling: Hand and Hoist-Line Implements 7 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 12
318 Electricity: Motive Power Systems 9 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 12
380 Cryptography 11 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 12
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
065 Glass Manufacturing 8 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 11
192 Clutches and Power-Stop Control 10 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
222 Dispensing (apparatus and process) 7 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 11
277 Seal for a Joint or Juncture 7 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 1 0 0 0 11
332 Modulators 9 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 11
410 Freight Accommodation On Freight Carrier 5 0 1 0 1 2 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 11
416 Fluid Reaction Surfaces (i.e., Impellers) 6 1 1 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 11
419 Powder Metallurgy Processes 3 0 0 1 0 0 2 2 1 0 0 0 0 1 0 0 1 0 0 0 0 0 11
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 9 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 11
052 Static Structures (e.g., Buildings) 4 1 0 0 0 1 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 10
134 Cleaning and Liquid Contact with Solids 4 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 1 0 1 1 0 0 10
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 9 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
323 Electricity: Power Supply or Regulation Systems 9 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 10
338 Electrical Resistors 7 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 10
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 7 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 10
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 9 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
024 Buckles, Buttons, Clasps, Etc. 5 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 9
096 Gas Separation: Apparatus 5 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 9
109 Safes, Bank Protection, or a Related Device 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
114 Ships 8 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 9
251 Valves and Valve Actuation 5 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 9
292 Closure Fasteners 4 0 1 0 0 0 0 0 1 0 2 0 0 1 0 0 0 0 0 0 0 0 9
336 Inductor Devices 6 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 9
360 Dynamic Magnetic Information Storage or Retrieval 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 6 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 9
188 Brakes 7 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 8
355 Photocopying 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
379 Telephonic Communications 5 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
384 Bearings 6 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 8
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 1 1 0 0 0 0 8
055 Gas Separation 5 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 7
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 4 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 7
081 Tools 3 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 7
124 Mechanical Guns and Projectors 2 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 2 0 0 0 0 0 7
126 Stoves and Furnaces 3 0 0 0 0 0 0 1 0 0 1 0 2 0 0 0 0 0 0 0 0 0 7
175 Boring or Penetrating the Earth 2 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 1 0 1 0 0 0 7
181 Acoustics 4 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 7
182 Fire Escape, Ladder, or Scaffold 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 0 0 1 0 7
273 Amusement Devices: Games 2 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 0 7
296 Land Vehicles: Bodies and Tops 3 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 7
420 Alloys or Metallic Compositions 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 7
474 Endless Belt Power Transmission Systems or Components 4 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 7
604 Surgery (Medicators and Receptors) 2 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 2 0 0 7
014 Bridges 4 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
034 Drying and Gas or Vapor Contact with Solids 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 6
040 Card, Picture, or Sign Exhibiting 3 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 6
072 Metal Deforming 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 6
116 Signals and Indicators 4 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 6
267 Spring Devices 5 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
326 Electronic Digital Logic Circuitry 4 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
404 Road Structure, Process, or Apparatus 1 0 0 0 1 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 6
431 Combustion 2 0 0 1 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 6
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 6
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
005 Beds 1 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 5
043 Fishing, Trapping, and Vermin Destroying 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 5
053 Package Making 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 5
092 Expansible Chamber Devices 4 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
152 Resilient Tires and Wheels 2 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 5
224 Package and Article Carriers 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 5
297 Chairs and Seats 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 5
347 Incremental Printing of Symbolic Information 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
349 Liquid Crystal Cells, Elements and Systems 1 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
352 Optics: Motion Pictures 4 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
353 Optics: Image Projectors 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
358 Facsimile and Static Presentation Processing 2 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
396 Photography 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
451 Abrading 3 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 3 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 5
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 1 0 1 0 0 0 0 0 2 0 0 1 0 0 0 0 0 5
037 Excavating 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 4
070 Locks 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
119 Animal Husbandry 2 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 4
138 Pipes and Tubular Conduits 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 4
140 Wireworking 3 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 4
209 Classifying, Separating, and Assorting Solids 3 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
301 Land Vehicles: Wheels and Axles 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 4
312 Supports: Cabinet Structure 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4
329 Demodulators 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
337 Electricity: Electrothermally or Thermally Actuated Switches 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 4
366 Agitating (e.g., of articles and materials) 3 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
368 Horology: Time Measuring Systems or Devices 3 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
400 Typewriting Machines 1 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
409 Gear Cutting, Milling, or Planing 2 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 4
415 Rotary Kinetic Fluid Motors or Pumps 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
454 Ventilation 3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 4
606 Surgery (instruments) 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 4
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 4
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
015 Brushing, Scrubbing, and General Cleaning 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 3
083 Cutting 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
101 Printing 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
110 Furnaces 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
135 Tent, Canopy, Umbrella, or Cane 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3
177 Weighing Scales 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 3
198 Conveyors: Power-Driven 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
266 Metallurgical Apparatus 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 3
269 Work Holders 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
271 Sheet Feeding or Delivering 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
346 Recorders 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
408 Cutting by Use of Rotating Axially Moving Tool 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
417 Pumps 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 3
475 Planetary Gear Transmission Systems or Components 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
476 Friction Gear Transmission Systems or Components 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
585 Chemistry of Hydrocarbon Compounds 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
099 Foods and Beverages: Apparatus 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
164 Metal Founding 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
221 Article Dispensing 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
226 Advancing Material of Indeterminate Length 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
279 Chucks or Sockets 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
290 Prime-Mover Dynamo Plants 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
322 Electricity: Single Generator Systems 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
334 Tuners 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2
418 Rotary Expansible Chamber Devices 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
432 Heating 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
433 Dentistry 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
440 Marine Propulsion 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
441 Buoys, Rafts, and Aquatic Devices 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
463 Amusement Devices: Games 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
477 Interrelated Power Delivery Controls, Including Engine Control 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 2
711 Memory (Electrical Computers and Digital Processing Systems) 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
713 Support (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2
016 Miscellaneous Hardware 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
028 Textiles: Manufacturing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
030 Cutlery 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
036 Boots, Shoes, and Leggings 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
049 Movable or Removable Closures 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
057 Textiles: Spinning, Twisting, and Twining 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
071 Chemistry: Fertilizers 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
082 Turning (e.g., for metal working) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
125 Stone Working 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
127 Sugar, Starch, and Carbohydrates 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
132 Toilet 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
139 Textiles: Weaving 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
157 Wheelwright Machines 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
162 Paper Making and Fiber Liberation 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
171 Unearthing Plants or Buried Objects 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
172 Earth Working 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
173 Tool Driving or Impacting 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
178 Telegraphy 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
184 Lubrication 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
202 Distillation: Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
217 Wooden Receptacles 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
229 Envelopes, Wrappers, and Paperboard Boxes 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
234 Selective Cutting (e.g., Punching) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
236 Automatic Temperature and Humidity Regulation 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
237 Heating Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
238 Railways: Surface Track 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
241 Solid Material Comminution or Disintegration 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
249 Static Molds 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
256 Fences 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
293 Vehicle Fenders 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
369 Dynamic Information Storage or Retrieval 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
373 Industrial Electric Heating Furnaces 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
406 Conveyors: Fluid Current 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
494 Imperforate Bowl: Centrifugal Separators 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
601 Surgery: Kinesitherapy 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
602 Surgery: Splint, Brace, or Bandage 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
ALL ALL CLASSES 4998 189 176 138 115 96 128 155 139 148 178 179 178 203 172 138 153 135 139 97 34 1 7889


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