Skip menu navigation Home > PTMT Listing of Viewable Reports > University Report Table of Contents > University Listing > This Page

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

U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2005

- this report has been prepared with support from the National Science Foundation -

BREAKOUT BY TECHNOLOGY CLASS -
PATENTS DISTRIBUTED BY CALENDAR YEAR OF PATENT APPLICATION

NUMBER OF UTILITY PATENTS ASSIGNED ANNUALLY
TO U.S. COLLEGES AND UNIVERSITIES RANKED IN THE
TOP 200 BY R&D EXPENDITURES IN FY 2004

- 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 200 R&D University:

NORTHWESTERN UNIVERSITY

( count of patent grants, as distributed by calendar year of patent application )
( technology class is determined by the primary patent classification - see 'Explanation of Data' )

Annual patent counts for the university.
Counts of granted patents are either distributed by the year of patent grant
or by the year of patent filing. Multiple assignee names may be associated
with a university.
Class Class Title PRE_1985 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 4 1 0 2 0 1 2 1 1 0 3 6 1 1 2 11 7 4 1 2 0 0 50
532 Organic Compounds (includes Classes 532-570) 2 2 1 0 1 1 3 1 0 1 0 10 4 1 2 3 2 3 1 0 0 0 38
435 Chemistry: Molecular Biology and Microbiology 2 0 0 0 0 0 0 0 1 0 3 6 3 3 2 2 2 1 3 0 0 0 28
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 0 0 1 0 0 0 0 2 2 1 4 3 1 3 2 0 2 2 0 0 0 24
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 9 1 3 0 1 1 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 19
428 Stock Material or Miscellaneous Articles 0 0 0 0 1 0 0 1 1 0 0 1 3 1 2 1 1 0 1 1 0 0 14
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 1 0 0 0 0 0 0 1 0 3 0 1 3 1 0 3 0 1 0 0 0 14
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 2 0 1 0 0 0 0 0 0 1 0 2 1 1 1 0 1 0 1 0 0 0 11
128 Surgery (includes Class 600) 3 0 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 2 1 0 0 0 10
148 Metal Treatment 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 4 1 2 0 0 0 10
427 Coating Processes 0 0 0 0 0 0 0 0 0 3 1 1 1 1 0 0 1 1 0 0 0 0 9
436 Chemistry: Analytical and Immunological Testing 1 0 0 0 0 0 0 1 0 1 2 2 1 0 0 0 0 0 0 0 0 0 8
606 Surgery (instruments) 6 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 8
250 Radiant Energy 1 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 2 1 0 0 7
372 Coherent Light Generators 1 0 0 0 0 0 0 0 0 0 0 2 2 1 0 1 0 0 0 0 0 0 7
378 X-Ray or Gamma Ray Systems or Devices 3 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 7
252 Compositions 2 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 6
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 0 1 0 0 0 0 6
359 Optics: Systems and Elements 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 1 0 0 6
385 Optical Waveguides 2 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 6
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 0 0 0 0 1 0 0 2 0 1 0 1 0 1 0 0 0 0 6
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 1 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 0 0 5
438 Semiconductor Device Manufacturing: Process 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 1 0 0 0 5
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 1 0 0 0 5
602 Surgery: Splint, Brace, or Bandage 4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
073 Measuring and Testing 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
585 Chemistry of Hydrocarbon Compounds 0 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
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 1 1 0 3
072 Metal Deforming 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 2
204 Chemistry: Electrical and Wave Energy 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 2
310 Electrical Generator or Motor Structure 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
348 Television 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
356 Optics: Measuring and Testing 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
433 Dentistry 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
604 Surgery (Medicators and Receptors) 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 2
029 Metal Working 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
104 Railways 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
123 Internal-Combustion Engines 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
210 Liquid Purification or Separation 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
216 Etching a Substrate: Processes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
219 Electric Heating 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
241 Solid Material Comminution or Disintegration 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
318 Electricity: Motive Power Systems 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
326 Electronic Digital Logic Circuitry 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
333 Wave Transmission Lines and Networks 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
340 Communications: Electrical 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
343 Communications: Radio Wave Antennas 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
375 Pulse or Digital Communications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
398 Optical Communications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
417 Pumps 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
418 Rotary Expansible Chamber Devices 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 0 1 0 0 0 1
434 Education and Demonstration 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 1 0 0 0 1
ALL ALL CLASSES 65 7 8 7 4 4 8 8 11 11 19 41 30 22 19 31 28 20 21 6 1 0 371

PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT (formerly TAF Branch)
MDW-4C18; P.O Box 1450
Alexandria, VA 22313

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

address of PTMT Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports from : ftp.uspto.gov/pub/taf/

Top

Skip menu navigation Home > PTMT Listing of Viewable Reports > University Report Table of Contents > University Listing > This Page