U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2000

- 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. COLLEGES AND UNIVERSITIES RANKED IN THE
TOP 100 BY R&D EXPENDITURES IN FY 1999

- 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 Top 100 R&D University:

UNIVERSITY OF VIRGINIA

( count of patent grants, as distributed by calendar year of grant )
( technology class is determined by the primary patent classification - see 'Explanation of Data' )
 
Class Class Title PRE_1980 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 7 0 0 1 2 0 0 0 1 0 2 2 4 2 2 0 4 2 4 5 5 9 52
435 Chemistry: Molecular Biology and Microbiology 2 0 0 1 0 0 0 0 0 2 0 2 1 1 2 0 2 3 3 2 4 0 25
128 Surgery (includes Class 600) 0 1 0 2 0 1 0 0 0 1 2 2 1 1 0 1 1 0 0 1 0 0 14
604 Surgery (Medicators and Receptors) 0 0 0 0 0 0 0 3 1 1 0 2 1 0 0 1 0 0 0 1 0 1 11
436 Chemistry: Analytical and Immunological Testing 3 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 10
250 Radiant Energy 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 8
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 1 8
532 Organic Compounds (includes Classes 532-570) 1 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 2 1 1 0 0 8
324 Electricity: Measuring and Testing 2 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 1 0 6
073 Measuring and Testing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 1 0 5
427 Coating Processes 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 4
310 Electrical Generator or Motor Structure 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 3
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 3
148 Metal Treatment 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 2
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
210 Liquid Purification or Separation 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2
428 Stock Material or Miscellaneous Articles 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
606 Surgery (instruments) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 2
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2
074 Machine Element or Mechanism 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
118 Coating Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
119 Animal Husbandry 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
134 Cleaning and Liquid Contact with Solids 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
152 Resilient Tires and Wheels 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
204 Chemistry: Electrical and Wave Energy 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
280 Land Vehicles 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
301 Land Vehicles: Wheels and Axles 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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
330 Amplifiers 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
356 Optics: Measuring and Testing 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
361 Electricity: Electrical Systems and Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
374 Thermal Measuring and Testing 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
426 Food or Edible Material: Processes, Compositions, and Products 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
433 Dentistry 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
ALL ALL CLASSES 28 1 3 8 4 2 1 4 3 4 8 12 11 9 7 5 10 13 13 20 15 14 195



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Last Modified: May 22, 2002