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

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 1998 - 2002 Utility Patent Grants,
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

DISTRICT OF COLUMBIA

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 1998 1999 2000 2001 2002 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 14 6 4 9 4 37
435 Chemistry: Molecular Biology and Microbiology 5 6 3 3 7 24
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 2 6 3 1 13
455 Telecommunications 4 1 0 4 1 10
204 Chemistry: Electrical and Wave Energy 0 1 2 1 5 9
606 Surgery (instruments) 1 4 2 1 0 8
128 Surgery (includes Class 600) 2 2 1 1 1 7
244 Aeronautics 1 2 1 1 2 7
463 Amusement Devices: Games 2 0 3 0 1 6
099 Foods and Beverages: Apparatus 3 1 0 0 1 5
123 Internal-Combustion Engines 1 0 1 1 2 5
340 Communications: Electrical 0 0 1 2 2 5
356 Optics: Measuring and Testing 0 0 3 0 2 5
380 Cryptography 1 0 2 2 0 5
135 Tent, Canopy, Umbrella, or Cane 0 1 2 1 0 4
343 Communications: Radio Wave Antennas 2 1 0 1 0 4
372 Coherent Light Generators 0 2 0 2 0 4
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 1 1 1 1 0 4
005 Beds 0 0 1 2 0 3
052 Static Structures (e.g., Buildings) 2 0 1 0 0 3
084 Music 0 1 1 1 0 3
139 Textiles: Weaving 2 1 0 0 0 3
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 1 1 1 3
206 Special Receptacle or Package 1 1 1 0 0 3
219 Electric Heating 3 0 0 0 0 3
250 Radiant Energy 0 0 2 1 0 3
280 Land Vehicles 1 1 0 1 0 3
348 Television 2 0 1 0 0 3
359 Optics: Systems (Including Communication) and Elements 0 0 1 0 2 3
375 Pulse or Digital Communications 1 0 2 0 0 3
379 Telephonic Communications 2 0 0 1 0 3
385 Optical Waveguides 0 0 1 1 1 3
434 Education and Demonstration 0 1 1 0 1 3
473 Games Using Tangible Projectile 0 0 2 0 1 3
532 Organic Compounds (includes Classes 532-570) 0 0 1 1 1 3
604 Surgery (Medicators and Receptors) 0 0 0 2 1 3
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 1 2 0 3
706 DP: Artificial Intelligence (Data Processing) 0 0 1 2 0 3
707 DP: Database and File Management or Data Structures (Data Processing) 2 0 0 0 1 3
715 DP: Presentation Processing of Document (Data Processing) 0 0 1 2 0 3
002 Apparel 1 0 0 1 0 2
015 Brushing, Scrubbing, and General Cleaning 0 2 0 0 0 2
060 Power Plants 0 0 1 0 1 2
062 Refrigeration 0 1 1 0 0 2
073 Measuring and Testing 0 0 0 1 1 2
180 Motor Vehicles 0 0 0 1 1 2
210 Liquid Purification or Separation 0 0 1 0 1 2
211 Supports: Racks 0 1 0 1 0 2
222 Dispensing (apparatus and process) 1 0 0 1 0 2
224 Package and Article Carriers 2 0 0 0 0 2
294 Handling: Hand and Hoist-Line Implements 1 0 0 0 1 2
312 Supports: Cabinet Structure 0 0 1 0 1 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 0 0 1 0 2
358 Facsimile and Static Presentation Processing 0 2 0 0 0 2
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 0 0 0 1 2
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 0 1 0 0 2
382 Image Analysis 0 1 0 0 1 2
401 Coating Implements with Material Supply 1 1 0 0 0 2
410 Freight Accommodation On Freight Carrier 0 0 1 1 0 2
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 1 0 0 0 2
428 Stock Material or Miscellaneous Articles 0 2 0 0 0 2
436 Chemistry: Analytical and Immunological Testing 1 0 0 0 1 2
441 Buoys, Rafts, and Aquatic Devices 1 0 1 0 0 2
505 Superconductor Technology: Apparatus, Material, Process 1 1 0 0 0 2
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 0 2 2
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 0 0 1 2
016 Miscellaneous Hardware 1 0 0 0 0 1
029 Metal Working 0 1 0 0 0 1
033 Geometrical Instruments 0 0 0 0 1 1
114 Ships 0 1 0 0 0 1
116 Signals and Indicators 0 0 0 1 0 1
126 Stoves and Furnaces 1 0 0 0 0 1
132 Toilet 1 0 0 0 0 1
134 Cleaning and Liquid Contact with Solids 0 0 0 1 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 1 0 1
186 Merchandising 0 0 1 0 0 1
203 Distillation: Processes, Separatory 0 0 0 0 1 1
223 Apparel Apparatus 0 0 0 1 0 1
232 Deposit and Collection Receptacles 0 0 0 0 1 1
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 1 0 0 1
241 Solid Material Comminution or Disintegration 0 1 0 0 0 1
249 Static Molds 0 0 0 0 1 1
252 Compositions 0 1 0 0 0 1
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 1 1
292 Closure Fasteners 0 0 0 0 1 1
297 Chairs and Seats 0 0 0 0 1 1
324 Electricity: Measuring and Testing 0 1 0 0 0 1
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 0 1 1
363 Electric Power Conversion Systems 0 0 0 1 0 1
369 Dynamic Information Storage or Retrieval 0 0 0 0 1 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 0 0 1 1
383 Flexible Bags 0 0 0 1 0 1
404 Road Structure, Process, or Apparatus 1 0 0 0 0 1
405 Hydraulic and Earth Engineering 0 0 1 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 1 0 1
417 Pumps 0 0 0 1 0 1
423 Chemistry of Inorganic Compounds 0 0 0 0 1 1
427 Coating Processes 0 1 0 0 0 1
433 Dentistry 0 0 0 1 0 1
482 Exercise Devices 0 1 0 0 0 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 0 0 0 0 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 1 0 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
713 Support (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 1
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 0 0 0 0 1
ALL ALL CLASSES 74 55 62 67 61 319


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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