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 ILLINOIS

( 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 2 1 0 2 2 1 1 0 2 2 2 0 2 4 3 0 3 2 2 5 4 47
435 Chemistry: Molecular Biology and Microbiology 7 1 1 0 1 1 2 2 1 0 1 0 3 1 0 2 1 1 1 4 7 3 40
532 Organic Compounds (includes Classes 532-570) 18 1 0 0 1 0 1 1 0 1 0 1 0 1 1 0 2 0 0 0 2 1 31
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 1 1 0 1 0 3 0 0 2 0 2 0 0 0 0 1 0 0 4 0 15
372 Coherent Light Generators 1 0 1 0 0 0 0 2 0 1 1 0 0 0 0 3 2 3 1 0 0 0 15
128 Surgery (includes Class 600) 0 1 0 0 0 0 0 0 0 0 2 0 0 0 2 0 1 1 1 1 0 1 10
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 5 0 0 0 0 0 0 1 0 0 0 1 0 0 2 0 0 0 0 0 1 0 10
427 Coating Processes 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 1 0 1 0 1 2 9
438 Semiconductor Device Manufacturing: Process 0 0 0 0 1 0 1 0 1 0 0 0 0 0 1 0 1 1 1 0 0 2 9
333 Wave Transmission Lines and Networks 5 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 7
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 1 2 0 0 0 0 1 7
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 1 5
250 Radiant Energy 3 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 5
324 Electricity: Measuring and Testing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 1 5
343 Communications: Radio Wave Antennas 3 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 5
504 Plant Protecting and Regulating Compositions 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 0 0 0 0 0 0 5
137 Fluid Handling 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 4
204 Chemistry: Electrical and Wave Energy 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 4
252 Compositions 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
310 Electrical Generator or Motor Structure 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4
348 Television 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
356 Optics: Measuring and Testing 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 4
365 Static Information Storage and Retrieval 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
426 Food or Edible Material: Processes, Compositions, and Products 3 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
428 Stock Material or Miscellaneous Articles 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 4
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 1 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 4
060 Power Plants 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
210 Liquid Purification or Separation 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
323 Electricity: Power Supply or Regulation Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 3
370 Multiplex Communications 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
436 Chemistry: Analytical and Immunological Testing 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
501 Compositions: Ceramic 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3
096 Gas Separation: Apparatus 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
099 Foods and Beverages: Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
119 Animal Husbandry 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 2
178 Telegraphy 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 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 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 2
359 Optics: Systems (Including Communication) and Elements 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 2
360 Dynamic Magnetic Information Storage or Retrieval 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
361 Electricity: Electrical Systems and Devices 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
434 Education and Demonstration 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2
604 Surgery (Medicators and Receptors) 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 2
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
029 Metal Working 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
048 Gas: Heating and Illuminating 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
052 Static Structures (e.g., Buildings) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
062 Refrigeration 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
074 Machine Element or Mechanism 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
091 Motors: Expansible Chamber Type 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
106 Compositions: Coating or Plastic 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
180 Motor Vehicles 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
200 Electricity: Circuit Makers and Breakers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
208 Mineral Oils: Processes and Products 0 0 0 0 0 0 0 0 0 1 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.) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
244 Aeronautics 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
279 Chucks or Sockets 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
296 Land Vehicles: Bodies and Tops 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
313 Electric Lamp and Discharge Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
340 Communications: Electrical 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
341 Coded Data Generation or Conversion 0 0 0 0 0 0 0 0 0 0 1 0 0 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 1 0 0 0 0 0 0 0 0 0 0 0 1
368 Horology: Time Measuring Systems or Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
374 Thermal 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
379 Telephonic Communications 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
382 Image Analysis 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
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 0 0 0 0 0 0 1
423 Chemistry of Inorganic Compounds 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
451 Abrading 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
585 Chemistry of Hydrocarbon Compounds 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
601 Surgery: Kinesitherapy 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
709 Multiple Computer or Process Coordinating (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 1 0 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 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 1 0 0 0 1
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
ALL ALL CLASSES 92 10 8 7 8 8 10 12 4 9 15 7 8 10 13 14 12 16 17 21 29 26 356



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Last Modified: May 22, 2002