Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > U.S. Government Report Table of Contents > U.S. Government Institution Listing > This Page


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 GRANT

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, DEPARTMENT OF ENERGY

( count of patent grants, as distributed by calendar year of grant )
( 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 grant.
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
376 Induced Nuclear Reactions: Processes, Systems, and Elements 365 9 22 28 22 36 29 9 9 7 7 8 4 1 2 1 2 7 2 4 2 0 576
250 Radiant Energy 281 7 17 15 16 15 13 15 11 9 9 11 18 9 3 1 3 4 2 3 1 5 468
423 Chemistry of Inorganic Compounds 223 3 14 10 6 8 8 4 7 2 11 1 8 3 5 2 0 0 0 4 3 2 324
073 Measuring and Testing 109 8 17 19 7 7 6 9 10 9 7 3 12 5 6 3 7 1 3 3 1 1 253
372 Coherent Light Generators 73 1 4 4 9 3 6 8 9 9 19 8 22 6 3 1 0 2 1 0 0 1 189
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 60 8 18 19 6 12 9 9 10 3 2 5 0 3 1 0 0 3 4 0 4 2 178
252 Compositions 98 4 2 4 5 4 2 3 5 2 5 2 2 2 0 0 0 0 0 0 2 0 142
204 Chemistry: Electrical and Wave Energy 69 1 6 4 3 9 4 8 3 0 7 3 7 4 1 1 2 0 1 3 1 3 140
324 Electricity: Measuring and Testing 65 1 9 3 7 8 6 4 6 4 9 1 4 1 1 0 2 0 1 1 0 0 133
359 Optics: Systems and Elements 44 2 2 12 3 6 4 2 7 6 13 3 7 4 1 0 2 0 1 3 2 0 124
356 Optics: Measuring and Testing 49 2 4 9 2 6 4 5 12 3 5 4 4 3 4 2 2 1 0 1 1 0 123
315 Electric Lamp and Discharge Devices: Systems 44 2 7 7 5 2 12 3 10 2 6 4 4 1 0 1 2 1 0 1 0 1 115
427 Coating Processes 64 4 8 4 3 2 3 4 4 1 2 3 5 2 0 0 0 1 0 1 0 0 111
428 Stock Material or Miscellaneous Articles 45 3 4 6 5 8 3 2 4 2 6 2 2 2 1 0 0 0 0 4 0 2 101
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 66 3 1 4 1 5 2 5 1 1 1 2 2 1 1 0 0 1 0 0 1 0 98
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 45 2 9 3 1 1 4 6 2 5 3 4 3 2 2 1 0 0 0 2 0 1 96
532 Organic Compounds (includes Classes 532-570) 34 3 5 4 3 2 3 4 5 7 5 8 3 2 1 0 0 0 1 2 1 2 95
210 Liquid Purification or Separation 44 3 1 2 2 2 5 6 4 4 2 1 2 3 1 2 1 1 1 1 0 1 89
588 Hazardous or Toxic Waste Destruction or Containment 41 2 5 1 2 0 1 4 1 0 0 1 4 2 1 3 4 3 6 2 2 0 85
219 Electric Heating 30 2 6 7 4 2 2 5 5 5 1 1 1 2 0 1 1 2 2 2 1 2 84
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 39 1 4 2 4 2 6 2 3 1 2 2 0 4 0 1 2 3 1 0 0 0 79
148 Metal Treatment 44 1 2 3 7 1 2 0 1 0 2 0 0 1 1 0 1 1 0 1 1 0 69
062 Refrigeration 25 0 10 7 4 4 5 3 2 0 2 0 0 1 0 0 0 0 1 0 1 1 66
310 Electrical Generator or Motor Structure 31 2 3 3 0 1 1 0 2 3 3 3 2 1 1 2 0 0 3 2 0 0 63
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 34 1 3 3 2 1 1 0 1 1 4 1 4 2 1 0 1 1 0 1 0 1 63
136 Batteries: Thermoelectric and Photoelectric 29 0 2 2 2 4 0 1 1 1 1 3 3 0 0 2 3 1 4 1 0 0 60
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 27 1 4 5 3 1 1 2 1 3 5 1 1 2 1 0 0 1 0 0 1 0 60
420 Alloys or Metallic Compositions 37 3 1 4 5 1 1 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 58
029 Metal Working 39 0 1 2 1 0 2 3 0 1 1 1 2 0 0 2 0 0 0 1 0 0 56
378 X-Ray or Gamma Ray Systems or Devices 21 1 3 2 2 2 0 1 3 4 4 1 3 1 2 0 0 1 0 1 1 2 55
137 Fluid Handling 32 0 5 4 2 1 0 1 0 3 0 0 1 1 0 1 0 0 0 0 0 1 52
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 34 2 1 2 3 3 1 0 0 1 0 0 1 1 0 1 0 1 0 0 1 0 52
436 Chemistry: Analytical and Immunological Testing 19 0 1 2 0 1 3 2 3 0 2 3 2 2 2 3 0 2 1 1 3 0 52
102 Ammunition and Explosives 17 0 2 2 1 2 4 3 3 4 1 3 2 1 1 0 1 0 0 1 0 1 49
374 Thermal Measuring and Testing 21 0 1 2 2 0 2 1 1 6 6 3 2 0 0 0 1 0 0 0 0 1 49
165 Heat Exchange 33 1 2 3 4 0 0 2 0 0 1 0 0 0 0 0 0 0 0 1 0 0 47
313 Electric Lamp and Discharge Devices 26 0 2 2 2 3 3 2 0 2 0 0 0 2 0 0 0 0 0 0 2 0 46
435 Chemistry: Molecular Biology and Microbiology 16 0 1 1 1 1 3 4 1 3 4 2 3 1 0 1 0 1 1 0 1 0 45
126 Stoves and Furnaces 21 3 10 2 0 2 0 1 0 2 0 0 0 1 0 0 0 0 0 0 0 0 42
174 Electricity: Conductors and Insulators 20 1 13 2 0 0 1 0 0 1 0 1 0 0 2 0 0 0 1 0 0 0 42
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 9 1 0 3 0 2 1 2 3 2 4 3 2 1 1 3 1 3 0 0 0 1 42
208 Mineral Oils: Processes and Products 17 2 1 6 2 3 2 2 1 3 1 0 0 0 0 0 0 0 0 0 0 0 40
361 Electricity: Electrical Systems and Devices 24 0 3 2 1 0 1 0 1 1 0 2 0 0 1 1 2 1 0 0 0 0 40
095 Gas Separation: Processes 23 0 1 0 0 1 1 0 1 0 3 1 1 0 0 1 0 2 0 1 0 3 39
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 22 5 4 3 0 1 1 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 39
228 Metal Fusion Bonding 23 0 3 2 3 2 0 1 1 1 1 0 0 0 1 1 0 0 0 0 0 0 39
501 Compositions: Ceramic 10 0 3 2 1 3 1 2 3 7 0 1 1 1 0 2 0 0 1 0 0 1 39
048 Gas: Heating and Illuminating 20 3 6 0 2 0 2 1 0 1 1 1 0 0 0 0 0 1 0 0 0 0 38
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 14 0 4 2 1 1 4 2 5 1 2 0 0 0 0 1 0 0 0 0 0 0 37
340 Communications: Electrical 14 0 3 2 1 2 1 1 0 0 1 3 0 3 1 1 0 1 1 0 0 0 35
438 Semiconductor Device Manufacturing: Process 8 0 2 0 1 4 1 1 4 1 2 3 1 1 0 0 1 0 2 1 1 0 34
060 Power Plants 18 1 1 0 0 1 1 0 0 1 2 0 0 2 0 0 3 0 1 0 2 0 33
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 24 1 1 2 0 0 0 0 0 0 2 0 2 0 1 0 0 0 0 0 0 0 33
033 Geometrical Instruments 15 2 1 0 2 1 0 2 2 1 0 0 1 0 0 0 0 0 0 0 0 1 28
417 Pumps 14 1 1 2 0 0 0 0 2 1 1 1 1 1 1 1 0 0 0 0 0 0 27
419 Powder Metallurgy Processes 16 1 0 0 1 2 0 1 2 0 0 2 0 0 0 0 1 0 0 1 0 0 27
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 0 0 1 2 0 2 8 6 4 1 1 0 2 0 0 0 0 0 27
110 Furnaces 8 1 2 1 1 2 2 2 1 1 1 0 1 0 0 1 0 0 0 1 1 0 26
333 Wave Transmission Lines and Networks 8 0 0 1 1 2 2 1 3 1 2 2 1 0 0 0 0 0 0 0 0 0 24
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 7 1 0 0 0 3 1 3 0 1 5 0 1 0 0 0 0 0 0 0 0 1 23
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4 0 0 0 3 1 0 2 2 4 0 0 1 2 2 0 0 0 0 1 1 0 23
065 Glass Manufacturing 6 0 1 1 3 0 1 0 1 2 3 0 0 0 2 1 0 1 0 0 0 0 22
118 Coating Apparatus 13 0 0 2 1 1 1 1 0 1 0 0 0 1 0 0 0 0 0 0 1 0 22
307 Electrical Transmission or Interconnection Systems 13 0 1 0 2 1 0 0 2 0 1 0 0 0 0 2 0 0 0 0 0 0 22
149 Explosive and Thermic Compositions or Charges 12 1 1 2 1 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 20
209 Classifying, Separating, and Assorting Solids 10 1 1 0 0 0 0 3 1 0 1 0 0 1 0 0 0 0 2 0 0 0 20
251 Valves and Valve Actuation 14 0 1 0 0 0 0 1 1 0 0 0 1 0 1 0 0 0 0 1 0 0 20
044 Fuel and Related Compositions 6 0 2 2 2 0 1 1 1 1 0 0 1 0 0 0 0 0 1 0 0 1 19
330 Amplifiers 14 0 0 0 1 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 19
414 Material or Article Handling 9 0 0 2 1 0 1 1 1 0 1 0 1 1 0 0 0 0 0 0 1 0 19
200 Electricity: Circuit Makers and Breakers 10 0 1 0 1 2 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 0 18
318 Electricity: Motive Power Systems 8 1 2 1 1 1 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 18
405 Hydraulic and Earth Engineering 11 0 0 0 0 0 1 0 1 0 0 3 1 0 0 1 0 0 0 0 0 0 18
439 Electrical Connectors 14 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 18
089 Ordnance 2 1 0 0 0 1 2 2 3 0 3 2 1 0 0 0 0 0 0 0 0 0 17
096 Gas Separation: Apparatus 6 0 0 0 3 2 0 1 0 1 0 1 0 0 0 0 1 0 0 0 0 2 17
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 8 0 2 1 0 1 0 2 0 0 3 0 0 0 0 0 0 0 0 0 0 0 17
363 Electric Power Conversion Systems 7 1 2 0 1 0 1 1 0 0 0 0 0 2 1 0 1 0 0 0 0 0 17
385 Optical Waveguides 2 0 0 0 0 1 0 1 1 1 1 3 2 2 1 1 0 0 1 0 0 0 17
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 12 0 0 0 2 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 17
277 Seal for a Joint or Juncture 8 0 1 0 1 0 1 0 0 2 1 0 0 0 0 0 0 0 0 1 1 0 16
382 Image Analysis 4 1 0 0 2 1 0 0 1 1 1 1 0 0 0 1 1 0 1 1 0 0 16
074 Machine Element or Mechanism 9 0 2 1 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 15
128 Surgery (includes Class 600) 8 0 2 2 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 15
216 Etching a Substrate: Processes 8 0 0 0 2 0 0 1 1 2 0 0 0 0 1 0 0 0 0 0 0 0 15
248 Supports (e.g., for holding articles, etc.) 2 1 3 1 0 5 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 15
285 Pipe Joints or Couplings 7 0 1 1 2 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 15
082 Turning (e.g., for metal working) 10 0 0 0 1 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 14
331 Oscillators 9 0 0 0 1 1 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 14
348 Television 5 1 0 0 0 4 0 0 1 1 1 0 0 0 0 0 0 0 0 0 1 0 14
451 Abrading 4 1 1 0 1 0 0 0 0 1 1 0 1 0 0 2 0 0 1 1 0 0 14
494 Imperforate Bowl: Centrifugal Separators 12 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 14
708 Arithmetic Processing and Calculating (Electrical Computers) 10 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
220 Receptacles 5 1 1 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 1 2 0 0 13
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 5 0 0 0 0 0 0 1 1 0 1 0 2 1 1 1 0 0 0 0 0 0 13
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 12 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 13
072 Metal Deforming 9 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 12
104 Railways 1 0 0 0 0 0 0 1 0 1 0 4 3 0 2 0 0 0 0 0 0 0 12
138 Pipes and Tubular Conduits 7 0 1 1 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 12
164 Metal Founding 4 0 1 1 0 1 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 12
175 Boring or Penetrating the Earth 5 2 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 2 0 12
367 Communications, Electrical: Acoustic Wave Systems and Devices 6 0 0 1 1 0 0 1 0 0 0 0 3 0 0 0 0 0 0 0 0 0 12
702 DP: Measuring, Calibrating, or Testing (Data Processing) 3 0 0 0 1 1 0 2 1 1 0 0 1 0 0 0 1 0 1 0 0 0 12
294 Handling: Hand and Hoist-Line Implements 3 0 1 0 1 0 1 0 0 0 1 0 1 0 0 1 0 0 0 2 0 0 11
299 Mining or In Situ Disintegration of Hard Material 6 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 11
336 Inductor Devices 8 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 11
384 Bearings 7 1 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 11
700 DP: Generic Control Systems or Specific Applications (Data Processing) 6 0 0 0 0 0 0 0 1 1 0 0 2 0 0 0 1 0 0 0 0 0 11
106 Compositions: Coating or Plastic 5 1 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 10
244 Aeronautics 6 0 0 0 0 0 2 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 10
398 Optical Communications 5 0 0 0 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 10
585 Chemistry of Hydrocarbon Compounds 3 0 1 0 0 0 1 0 1 1 0 1 1 0 0 0 0 0 0 1 0 0 10
322 Electricity: Single Generator Systems 5 0 0 0 1 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 9
323 Electricity: Power Supply or Regulation Systems 2 0 0 0 1 0 0 0 0 0 3 0 2 0 1 0 0 0 0 0 0 0 9
341 Coded Data Generation or Conversion 5 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 0 0 0 9
122 Liquid Heaters and Vaporizers 2 0 2 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 8
134 Cleaning and Liquid Contact with Solids 3 0 0 0 0 0 1 0 1 1 0 0 1 0 1 0 0 0 0 0 0 0 8
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 6 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 8
338 Electrical Resistors 5 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
403 Joints and Connections 3 1 0 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 8
415 Rotary Kinetic Fluid Motors or Pumps 4 0 3 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1 1 0 0 1 0 0 0 0 1 0 2 1 0 0 0 0 0 0 1 0 0 8
431 Combustion 0 0 1 1 1 0 0 0 0 0 2 0 0 0 0 0 1 0 2 0 0 0 8
034 Drying and Gas or Vapor Contact with Solids 5 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
052 Static Structures (e.g., Buildings) 4 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 7
181 Acoustics 0 0 1 0 0 0 0 1 0 1 2 1 0 1 0 0 0 0 0 0 0 0 7
239 Fluid Sprinkling, Spraying, and Diffusing 1 0 0 1 1 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 7
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 3 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 7
375 Pulse or Digital Communications 1 0 0 1 0 0 1 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 7
380 Cryptography 0 0 0 0 0 0 1 1 1 2 0 0 2 0 0 0 0 0 0 0 0 0 7
053 Package Making 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 6
055 Gas Separation 1 0 1 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 6
123 Internal-Combustion Engines 2 0 0 1 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 6
241 Solid Material Comminution or Disintegration 4 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 6
242 Winding, Tensioning, or Guiding 3 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
261 Gas and Liquid Contact Apparatus 2 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 6
266 Metallurgical Apparatus 2 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 6
290 Prime-Mover Dynamo Plants 5 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
365 Static Information Storage and Retrieval 3 0 0 0 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 6
373 Industrial Electric Heating Furnaces 3 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 6
396 Photography 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 1 0 1 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 6
015 Brushing, Scrubbing, and General Cleaning 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 5
051 Abrasive Tool Making Process, Material, or Composition 2 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
222 Dispensing (apparatus and process) 3 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
292 Closure Fasteners 2 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 5
312 Supports: Cabinet Structure 2 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 5
366 Agitating (e.g., of articles and materials) 1 0 0 1 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 5
409 Gear Cutting, Milling, or Planing 2 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 5
416 Fluid Reaction Surfaces (i.e., Impellers) 3 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
432 Heating 3 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 3 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 3 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
606 Surgery (instruments) 2 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
607 Surgery: Light, Thermal, and Electrical Application 3 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
092 Expansible Chamber Devices 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
159 Concentrating Evaporators 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
162 Paper Making and Fiber Liberation 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
188 Brakes 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
198 Conveyors: Power-Driven 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 2 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4
320 Electricity: Battery or Capacitor Charging or Discharging 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 4
343 Communications: Radio Wave Antennas 2 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 4
368 Horology: Time Measuring Systems or Devices 1 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 4
406 Conveyors: Fluid Current 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 4
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 4
418 Rotary Expansible Chamber Devices 3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 4
455 Telecommunications 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 4
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 0 4
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 4
030 Cutlery 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3
049 Movable or Removable Closures 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3
057 Textiles: Spinning, Twisting, and Twining 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3
083 Cutting 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3
091 Motors: Expansible Chamber Type 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
127 Sugar, Starch, and Carbohydrates 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
169 Fire Extinguishers 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3
203 Distillation: Processes, Separatory 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
249 Static Molds 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
269 Work Holders 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 3
358 Facsimile and Static Presentation Processing 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 3
370 Multiplex Communications 1 0 1 0 1 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 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3
434 Education and Demonstration 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 3
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
714 Error Detection/Correction and Fault Detection/Recovery 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 3
023 Chemistry: Physical Processes 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
024 Buckles, Buttons, Clasps, Etc. 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2
070 Locks 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
100 Presses 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
119 Animal Husbandry 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
124 Mechanical Guns and Projectors 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
173 Tool Driving or Impacting 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
199 Type Casting 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 2
201 Distillation: Processes, Thermolytic 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
202 Distillation: Apparatus 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
206 Special Receptacle or Package 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
236 Automatic Temperature and Humidity Regulation 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
256 Fences 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
267 Spring Devices 0 0 0 0 0 0 0 0 0 0 1 1 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
326 Electronic Digital Logic Circuitry 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
332 Modulators 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
346 Recorders 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
353 Optics: Image Projectors 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
362 Illumination 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
483 Tool Changing 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 2
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 2
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2
711 Memory (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
028 Textiles: Manufacturing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
040 Card, Picture, or Sign Exhibiting 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
042 Firearms 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
043 Fishing, Trapping, and Vermin Destroying 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
109 Safes, Bank Protection, or a Related Device 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
114 Ships 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
116 Signals and Indicators 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
140 Wireworking 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 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
212 Traversing Hoists 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
221 Article Dispensing 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
223 Apparel Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
225 Severing by Tearing or Breaking 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
280 Land Vehicles 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
283 Printed Matter 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 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
347 Incremental Printing of Symbolic Information 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
355 Photocopying 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
400 Typewriting Machines 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
410 Freight Accommodation On Freight Carrier 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
454 Ventilation 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
473 Games Using Tangible Projectile 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 3303 131 327 293 234 236 224 215 223 195 242 172 199 114 71 68 61 53 56 66 45 42 6570


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD (formerly TAF Branch)
MDW 4C18; P.O. Box 1450
Alexandria, VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMD Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports from : ftp.uspto.gov/pub/taf/


Top

Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > U.S. Government Report Table of Contents > U.S. Government Institution Listing > This Page