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

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

Count of 2004 - 2008 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

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 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 either by year of patent grant or by year of patent application.
Class Class Title 2004 2005 2006 2007 2008 Total
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 2 3 8 7 6 26
435 Chemistry: Molecular Biology and Microbiology 6 5 3 4 2 20
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1 3 4 2 5 15
379 Telephonic Communications 4 1 3 4 2 14
128 Surgery (includes Class 600) 2 4 4 1 2 13
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 2 1 1 4 5 13
210 Liquid Purification or Separation 4 2 3 0 1 10
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 1 2 2 4 10
455 Telecommunications 2 4 1 2 1 10
707 DP: Database and File Management or Data Structures (Data Processing) 3 2 0 2 3 10
375 Pulse or Digital Communications 2 3 2 1 0 8
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 1 1 3 1 6
340 Communications: Electrical 2 1 3 0 0 6
370 Multiplex Communications 0 1 1 3 1 6
433 Dentistry 0 0 1 2 3 6
702 DP: Measuring, Calibrating, or Testing (Data Processing) 2 1 2 0 1 6
345 Computer Graphics Processing and Selective Visual Display Systems 0 1 0 4 0 5
385 Optical Waveguides 2 1 0 1 1 5
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 2 1 0 1 5
114 Ships 0 2 1 0 1 4
180 Motor Vehicles 0 0 1 1 2 4
356 Optics: Measuring and Testing 1 0 0 1 2 4
434 Education and Demonstration 0 2 1 1 0 4
532 Organic Compounds (includes Classes 532-570) 1 1 0 1 1 4
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 3 0 1 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 0 1 1 1 4
713 Support (Electrical Computers and Digital Processing Systems) 1 1 0 1 1 4
102 Ammunition and Explosives 1 1 0 0 1 3
297 Chairs and Seats 0 1 0 2 0 3
359 Optical: Systems and Elements 2 0 1 0 0 3
438 Semiconductor Device Manufacturing: Process 1 0 0 0 2 3
606 Surgery (instruments) 1 0 0 0 2 3
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 1 1 0 1 3
004 Baths, Closets, Sinks, and Spittoons 2 0 0 0 0 2
005 Beds 1 0 1 0 0 2
062 Refrigeration 1 1 0 0 0 2
204 Chemistry: Electrical and Wave Energy 1 1 0 0 0 2
248 Supports (e.g., for holding articles, etc.) 1 0 0 1 0 2
250 Radiant Energy 0 1 1 0 0 2
296 Land Vehicles: Bodies and Tops 1 0 1 0 0 2
310 Electrical Generator or Motor Structure 1 0 0 1 0 2
324 Electricity: Measuring and Testing 1 0 1 0 0 2
348 Television 0 1 0 0 1 2
349 Liquid Crystal Cells, Elements and Systems 0 0 0 1 1 2
380 Cryptography 0 0 2 0 0 2
382 Image Analysis 1 0 0 1 0 2
428 Stock Material or Miscellaneous Articles 0 0 1 1 0 2
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 1 0 0 1 2
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 1 0 0 2
706 DP: Artificial Intelligence (Data Processing) 0 0 2 0 0 2
726 Information Security 0 0 1 0 1 2
002 Apparel 1 0 0 0 0 1
015 Brushing, Scrubbing, and General Cleaning 1 0 0 0 0 1
029 Metal Working 0 0 1 0 0 1
033 Geometrical Instruments 0 0 0 0 1 1
037 Excavating 1 0 0 0 0 1
052 Static Structures (e.g., Buildings) 1 0 0 0 0 1
060 Power Plants 1 0 0 0 0 1
073 Measuring and Testing 0 0 0 0 1 1
089 Ordnance 0 1 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 0 0 1 1
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 1 0 1
144 Woodworking 0 0 0 1 0 1
190 Trunks and Hand-Carried Luggage 0 0 1 0 0 1
211 Supports: Racks 1 0 0 0 0 1
221 Article Dispensing 0 0 0 1 0 1
222 Dispensing (apparatus and process) 1 0 0 0 0 1
239 Fluid Sprinkling, Spraying, and Diffusing 1 0 0 0 0 1
244 Aeronautics and Astronautics 1 0 0 0 0 1
252 Compositions 0 0 0 1 0 1
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 1 1
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 1 0 0 0 1
273 Amusement Devices: Games 0 0 0 1 0 1
280 Land Vehicles 0 1 0 0 0 1
290 Prime-Mover Dynamo Plants 0 0 0 1 0 1
323 Electricity: Power Supply or Regulation Systems 1 0 0 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 1 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 1 1
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 0 1
398 Optical Communications 0 0 0 0 1 1
401 Coating Implements with Material Supply 1 0 0 0 0 1
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 0 0 1 1
427 Coating Processes 1 0 0 0 0 1
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 1 0 0 0 1
436 Chemistry: Analytical and Immunological Testing 0 0 0 1 0 1
441 Buoys, Rafts, and Aquatic Devices 1 0 0 0 0 1
463 Amusement Devices: Games 0 0 0 0 1 1
473 Games Using Tangible Projectile 1 0 0 0 0 1
482 Exercise Devices 1 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 1 0 0 0 0 1
607 Surgery: Light, Thermal, and Electrical Application 1 0 0 0 0 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 1 0 0 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 1 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 1
ALL ALL CLASSES 75 55 63 63 68 324

PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

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

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