Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports