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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 1969-2012

- this report was created 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 250 BY R&D EXPENDITURES IN FY 2011

- 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:

PRINCETON 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 distributed by the year of patent filing.
Multiple assignee names may be associated with a university.
Class Class Title PRE_1992 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 Total
428 Stock Material or Miscellaneous Articles 0 0 1 1 2 2 5 7 4 2 3 5 4 2 4 2 1 3 3 0 0 0 51
435 Chemistry: Molecular Biology and Microbiology 2 3 2 3 3 0 1 5 3 5 5 6 4 1 4 0 0 0 0 1 0 0 48
532 Organic Compounds (includes Classes 532-570) 13 5 1 5 1 1 3 1 3 1 2 2 0 1 1 2 1 0 0 0 0 0 43
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 14 1 0 1 1 2 1 2 2 2 3 2 1 0 2 1 2 1 1 0 0 0 39
438 Semiconductor Device Manufacturing: Process 0 0 0 1 0 2 4 1 3 3 3 4 1 4 2 8 0 1 1 0 0 0 38
313 Electric Lamp and Discharge Devices 0 0 0 0 0 4 6 3 2 4 2 2 4 0 2 2 1 0 0 1 0 0 33
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 1 0 1 3 0 3 1 1 1 5 4 2 2 1 1 1 0 1 0 28
385 Optical Waveguides 0 1 0 0 1 1 1 0 1 1 2 1 1 3 3 0 2 0 0 0 0 0 18
427 Coating Processes 0 0 0 0 0 0 2 1 1 1 0 2 1 2 0 0 2 3 0 1 0 0 16
204 Chemistry: Electrical and Wave Energy 0 0 0 0 0 1 2 1 2 1 3 1 2 0 0 1 0 0 0 0 1 0 15
372 Coherent Light Generators 2 0 0 0 0 0 2 2 0 1 1 1 1 2 1 1 0 0 0 0 0 0 14
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 0 0 0 1 1 0 2 0 2 0 2 1 1 0 0 0 0 0 10
359 Optical: Systems and Elements 0 0 0 0 1 0 1 0 1 2 0 0 0 1 0 1 0 1 0 0 2 0 10
250 Radiant Energy 0 0 1 1 0 0 2 3 0 0 0 0 0 0 0 1 0 1 0 0 0 0 9
398 Optical Communications 2 0 0 1 0 4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 8
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 0 0 0 0 1 0 0 1 1 2 1 0 0 2 0 0 0 0 0 0 8
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 5 0 0 0 0 8
324 Electricity: Measuring and Testing 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 7
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 1 1 0 1 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 7
356 Optics: Measuring and Testing 2 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0 6
331 Oscillators 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 1 0 1 0 0 0 0 5
375 Pulse or Digital Communications 1 0 1 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 5
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 5
062 Refrigeration 0 0 0 0 0 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 4
106 Compositions: Coating or Plastic 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 1 0 0 4
310 Electrical Generator or Motor Structure 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
341 Coded Data Generation or Conversion 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 4
423 Chemistry of Inorganic Compounds 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 4
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 0 0 0 0 1 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 4
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 3
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 3
382 Image Analysis 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 3
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 3
436 Chemistry: Analytical and Immunological Testing 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 3
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 3
044 Fuel and Related Compositions 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 2
252 Compositions 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 2
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 2
315 Electric Lamp and Discharge Devices: Systems 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2
368 Horology: Time Measuring Systems or Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 2
505 Superconductor Technology: Apparatus, Material, Process 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
588 Hazardous or Toxic Waste Destruction or Containment 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 2
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 2
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
029 Metal Working 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
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 1 0 0 0 0 0 0 0 0 0 0 1
096 Gas Separation: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
118 Coating Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
123 Internal-Combustion Engines 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
137 Fluid Handling 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
148 Metal Treatment 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 0 0 0 0 1 0 0 0 0 1
174 Electricity: Conductors and Insulators 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
209 Classifying, Separating, and Assorting Solids 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
219 Electric Heating 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
222 Dispensing (apparatus and process) 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
244 Aeronautics and Astronautics 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
347 Incremental Printing of Symbolic Information 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
348 Television 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
358 Facsimile and Static Presentation Processing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
370 Multiplex Communications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
378 X-Ray or Gamma Ray 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
380 Cryptography 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
405 Hydraulic and Earth Engineering 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
434 Education and Demonstration 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
439 Electrical Connectors 0 0 0 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 0 1
451 Abrading 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
455 Telecommunications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
501 Compositions: Ceramic 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
585 Chemistry of Hydrocarbon Compounds 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
717 DP: Software Development, Installation, and Management (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
ALL ALL CLASSES 49 12 9 20 14 27 42 31 34 37 39 36 39 26 29 31 16 28 6 7 4 0 536


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