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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

U.S. Government
Utility Patent Grants,
Calendar Years 1969-2004

- 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
U.S. GOVERNMENT ENTITIES

- 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 AGRICULTURE

( 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 either distributed by the year of patent grant
or by the year of patent filing.
Class Class Title PRE_1984 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 99 5 3 7 5 9 10 15 9 9 16 15 11 9 11 19 15 15 25 14 17 10 348
532 Organic Compounds (includes Classes 532-570) 259 6 1 3 0 3 1 1 3 0 2 1 3 1 1 4 4 3 4 4 3 3 310
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 219 6 1 3 2 5 4 3 1 3 3 1 0 0 1 1 0 0 0 0 0 0 253
435 Chemistry: Molecular Biology and Microbiology 40 3 0 1 5 0 8 7 11 11 11 5 13 10 12 15 23 11 17 11 12 8 234
426 Food or Edible Material: Processes, Compositions, and Products 140 2 5 1 1 3 3 3 4 6 5 3 1 0 2 2 4 5 3 2 6 1 202
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 100 2 0 0 0 0 1 0 0 0 0 1 0 3 1 4 0 1 2 1 2 1 119
073 Measuring and Testing 28 5 2 1 3 1 0 1 3 2 2 3 1 1 2 0 0 1 0 1 2 2 61
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 40 3 0 0 0 0 1 1 1 1 1 0 2 0 0 1 1 2 0 2 2 1 59
427 Coating Processes 45 0 1 1 0 0 0 2 0 0 1 0 1 1 1 0 1 0 0 0 0 0 54
504 Plant Protecting and Regulating Compositions 17 0 0 0 1 4 1 1 0 3 2 0 2 0 1 4 0 1 2 0 0 0 39
210 Liquid Purification or Separation 22 0 1 0 0 0 2 2 1 1 0 0 2 0 0 1 0 1 0 0 0 0 33
428 Stock Material or Miscellaneous Articles 15 1 1 0 1 0 2 0 0 0 0 0 1 0 0 1 4 1 2 0 1 1 31
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 0 0 0 0 0 0 0 1 0 1 1 0 1 3 4 3 4 3 0 5 3 30
019 Textiles: Fiber Preparation 15 1 0 0 0 0 3 1 0 1 0 1 1 0 1 0 1 1 0 0 2 0 28
162 Paper Making and Fiber Liberation 11 0 0 1 0 2 0 0 1 0 1 1 1 3 2 2 0 0 0 0 0 0 25
043 Fishing, Trapping, and Vermin Destroying 3 0 0 2 0 1 1 0 0 1 0 2 2 0 0 1 3 0 1 0 0 3 20
057 Textiles: Spinning, Twisting, and Twining 12 0 1 0 0 0 0 3 0 0 0 0 0 1 0 2 0 0 0 0 0 0 19
047 Plant Husbandry 10 3 1 0 1 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 18
209 Classifying, Separating, and Assorting Solids 10 0 1 0 1 1 0 0 0 2 0 0 0 0 0 0 0 0 1 1 1 0 18
034 Drying and Gas or Vapor Contact with Solids 14 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 17
119 Animal Husbandry 4 2 0 1 0 0 0 1 0 0 0 1 2 0 0 1 2 0 1 0 2 0 17
252 Compositions 13 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 16
250 Radiant Energy 9 0 2 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 14
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 14
056 Harvesters 6 0 0 1 0 1 1 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 13
144 Woodworking 6 2 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
452 Butchering 5 0 0 1 0 0 0 1 0 0 2 1 1 0 0 0 0 1 0 0 0 0 12
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 10 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 12
111 Planting 6 0 0 0 0 2 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 11
356 Optics: Measuring and Testing 6 0 0 0 0 0 0 0 1 2 0 0 0 2 0 0 0 0 0 0 0 0 11
106 Compositions: Coating or Plastic 6 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 9
212 Traversing Hoists 5 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
241 Solid Material Comminution or Disintegration 5 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 1 0 9
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 0 0 0 1 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 9
324 Electricity: Measuring and Testing 1 0 0 0 0 0 0 0 1 0 2 0 0 2 0 0 1 2 0 0 0 0 9
127 Sugar, Starch, and Carbohydrates 5 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 8
239 Fluid Sprinkling, Spraying, and Diffusing 3 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 1 1 0 0 0 0 8
053 Package Making 3 0 1 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 7
099 Foods and Beverages: Apparatus 6 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 7
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 5 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 7
172 Earth Working 2 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 7
204 Chemistry: Electrical and Wave Energy 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
044 Fuel and Related Compositions 0 2 2 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 6
052 Static Structures (e.g., Buildings) 2 0 0 0 1 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 6
062 Refrigeration 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 6
405 Hydraulic and Earth Engineering 3 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 6
449 Bee Culture (propagating, raising, caring for bees) 2 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 6
028 Textiles: Manufacturing 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
068 Textiles: Fluid Treating Apparatus 4 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
071 Chemistry: Fertilizers 3 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
100 Presses 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 5
414 Material or Article Handling 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 5
423 Chemistry of Inorganic Compounds 3 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 5
436 Chemistry: Analytical and Immunological Testing 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 5
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 0 0 5
131 Tobacco 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
222 Dispensing (apparatus and process) 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 4
294 Handling: Hand and Hoist-Line Implements 2 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
340 Communications: Electrical 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 4
585 Chemistry of Hydrocarbon Compounds 2 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
038 Textiles: Ironing or Smoothing 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
096 Gas Separation: Apparatus 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
134 Cleaning and Liquid Contact with Solids 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
137 Fluid Handling 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 3
206 Special Receptacle or Package 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 3
370 Multiplex Communications 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 3
374 Thermal Measuring and Testing 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
406 Conveyors: Fluid Current 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 3
460 Crop Threshing or Separating 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3
604 Surgery (Medicators and Receptors) 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
033 Geometrical Instruments 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
118 Coating Apparatus 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
126 Stoves and Furnaces 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
128 Surgery (includes Class 600) 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
149 Explosive and Thermic Compositions or Charges 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
175 Boring or Penetrating the Earth 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
198 Conveyors: Power-Driven 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
200 Electricity: Circuit Makers and Breakers 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
203 Distillation: Processes, Separatory 1 0 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
315 Electric Lamp and Discharge Devices: Systems 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
366 Agitating (e.g., of articles and materials) 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
382 Image Analysis 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2
403 Joints and Connections 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 2
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
002 Apparel 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
015 Brushing, Scrubbing, and General Cleaning 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
049 Movable or Removable Closures 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
055 Gas Separation 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
060 Power Plants 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
074 Machine Element or Mechanism 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
083 Cutting 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
092 Expansible Chamber Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
095 Gas Separation: Processes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
102 Ammunition and Explosives 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
123 Internal-Combustion Engines 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
159 Concentrating Evaporators 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
165 Heat Exchange 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
173 Tool Driving or Impacting 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
177 Weighing Scales 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
180 Motor Vehicles 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
205 Electrolysis: Processes, Compositions Used Therein, and Methods 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
216 Etching a Substrate: Processes 1 0 0 0 0 0 0 0 0 0 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 1 0 0 0 0 0 0 0 0 0 0 0 0 1
228 Metal Fusion Bonding 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
242 Winding, Tensioning, or Guiding 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
244 Aeronautics 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
251 Valves and Valve Actuation 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
271 Sheet Feeding or Delivering 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
279 Chucks or Sockets 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
313 Electric Lamp and Discharge Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
318 Electricity: Motive Power Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
341 Coded Data Generation or Conversion 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
343 Communications: Radio Wave Antennas 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
362 Illumination 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
372 Coherent Light Generators 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
380 Cryptography 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
396 Photography 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
602 Surgery: Splint, Brace, or Bandage 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 1355 48 33 32 29 35 44 50 46 53 54 38 49 41 46 75 70 55 67 43 63 38 2364

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Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
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