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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)


U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2008

- 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 250 BY R&D EXPENDITURES IN FY 2007

- 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 250 R&D University:

NORTHWESTERN UNIVERSITY

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

Annual patent counts for the university.
Counts of granted patents are distributed by the year of patent grant
Multiple assignee names may be associated with a university.
Class Class Title PRE_1988 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 4 2 1 0 1 1 2 1 0 3 3 1 2 3 8 7 5 3 3 3 2 3 58
532 Organic Compounds (includes Classes 532-570) 3 2 0 2 1 3 0 0 3 0 7 4 1 1 5 3 1 2 0 1 2 4 45
435 Chemistry: Molecular Biology and Microbiology 2 0 0 0 0 0 0 1 0 0 3 6 4 1 6 0 2 1 2 1 1 2 32
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 0 1 0 0 0 0 3 3 2 1 2 1 4 2 2 0 1 1 2 1 1 28
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 9 2 2 1 1 0 0 2 0 0 0 0 0 0 1 1 0 0 0 0 0 0 19
428 Stock Material or Miscellaneous Articles 0 0 0 1 0 1 0 1 0 0 0 4 1 1 0 2 1 0 2 0 1 0 15
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 0 0 0 0 0 0 1 1 2 0 2 2 1 1 0 3 0 0 0 0 0 14
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 2 0 1 0 0 0 0 0 1 0 3 0 1 0 0 1 0 2 0 0 1 1 13
427 Coating Processes 0 0 0 0 0 0 0 1 3 0 0 2 1 0 0 0 1 1 0 0 2 2 13
128 Surgery (includes Class 600) 3 0 0 0 0 2 0 0 0 0 0 0 1 1 0 1 0 1 1 0 0 1 11
148 Metal Treatment 0 0 0 0 0 0 1 0 1 0 0 0 0 0 2 4 1 1 0 0 0 0 10
250 Radiant Energy 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 2 1 0 0 3 10
252 Compositions 3 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 1 1 1 9
385 Optical Waveguides 2 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 2 0 9
073 Measuring and Testing 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 1 8
436 Chemistry: Analytical and Immunological Testing 1 0 0 0 0 0 1 0 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 1 0 1 0 0 0 0 0 0 0 8
372 Coherent Light Generators 1 0 0 0 0 0 0 0 0 0 1 2 3 0 0 0 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 1 0 1 1 0 0 0 0 0 0 0 7
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 0 0 0 0 1 0 2 1 0 0 0 0 2 0 0 0 0 0 6
359 Optical: Systems and Elements 0 1 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 1 0 0 0 6
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 0 0 0 0 0 0 6
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 0 0 2 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 6
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 1 0 0 0 0 0 1 0 2 0 0 0 0 0 1 0 0 0 0 0 5
204 Chemistry: Electrical and Wave Energy 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 2 5
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 1 1 5
438 Semiconductor Device Manufacturing: Process 0 0 0 0 0 0 0 0 0 0 0 3 0 0 1 0 0 1 0 0 0 0 5
602 Surgery: Splint, Brace, or Bandage 4 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
210 Liquid Purification or Separation 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2 4
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 3 0 1 0 4
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 3
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 1 1 3
356 Optics: Measuring and Testing 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 3
585 Chemistry of Hydrocarbon Compounds 1 1 0 0 0 0 0 0 0 0 1 0 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 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 3
072 Metal Deforming 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 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
433 Dentistry 1 1 0 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 1 0 0 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 1 0 0 0 0 0 1 0 0 0 0 0 0 0 2
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 1 0 1 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 0 0 0 0 0 0 0 1 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 1 0 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
219 Electric Heating 0 0 0 0 0 0 0 0 0 0 0 1 0 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 1 0 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
324 Electricity: Measuring and Testing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 1
346 Recorders 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 0 0 0 0 0 0 0 0 0 0 1 0 0 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 0 0 1 0 0 0 1
380 Cryptography 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
381 Electrical Audio Signal Processing Systems and Devices 0 1 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 0 1 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 0 0 1 0 0 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
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 1 0 0 1
601 Surgery: Kinesitherapy 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
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 0 1 0 1
717 DP: Software Development, Installation, and Management (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
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 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 69 10 7 5 4 8 8 12 18 10 27 35 24 17 33 27 21 18 18 19 24 27 441


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