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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:

DUKE 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 16 2 5 14 8 9 13 13 14 6 18 11 14 5 7 9 12 7 7 3 0 0 193
435 Chemistry: Molecular Biology and Microbiology 7 9 9 11 14 11 3 8 14 6 13 10 9 5 6 4 6 9 3 2 10 1 170
128 Surgery (includes Class 600) 14 4 3 4 2 1 3 6 1 4 3 3 6 3 1 1 1 1 0 0 1 0 62
532 Organic Compounds (includes Classes 532-570) 5 1 0 3 1 3 1 3 4 3 4 4 3 1 3 2 1 1 0 1 0 0 44
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 6 2 2 0 5 0 1 2 1 1 0 3 2 2 0 1 1 0 0 1 0 0 30
356 Optics: Measuring and Testing 0 0 0 0 0 0 0 0 1 0 0 0 2 4 1 7 6 0 3 1 0 0 25
606 Surgery (instruments) 1 1 0 1 1 2 1 1 2 3 2 0 0 0 0 0 0 0 0 0 0 0 15
607 Surgery: Light, Thermal, and Electrical Application 2 1 1 1 1 0 0 0 3 0 2 1 1 0 1 0 0 0 0 0 0 0 14
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 0 1 0 6 0 0 3 2 0 0 1 0 0 0 0 0 0 0 13
359 Optical: Systems and Elements 0 0 0 1 0 0 0 4 0 1 2 2 0 0 0 0 0 2 0 0 1 0 13
436 Chemistry: Analytical and Immunological Testing 3 0 0 0 0 1 0 0 0 1 1 3 0 1 1 2 0 0 0 0 0 0 13
378 X-Ray or Gamma Ray Systems or Devices 3 1 0 0 1 0 1 0 0 0 0 1 0 1 0 0 2 0 0 0 0 0 10
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 1 1 0 0 1 0 1 0 1 0 1 1 0 1 1 0 0 0 0 0 0 10
204 Chemistry: Electrical and Wave Energy 4 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 2 0 0 0 0 0 9
382 Image Analysis 1 0 1 1 0 1 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 8
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 1 0 0 1 1 0 1 1 1 0 1 0 0 0 0 1 0 0 0 0 0 8
353 Optics: Image Projectors 0 0 0 0 0 1 0 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 7
250 Radiant Energy 0 2 0 1 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 6
324 Electricity: Measuring and Testing 5 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
601 Surgery: Kinesitherapy 2 0 0 0 2 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 5
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 0 0 0 0 0 1 0 1 1 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 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 4
604 Surgery (Medicators and Receptors) 0 0 0 0 1 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 4
131 Tobacco 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
348 Television 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 3
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 3
427 Coating Processes 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 3
438 Semiconductor Device Manufacturing: Process 2 0 0 1 0 0 0 0 0 0 0 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 1 1 0 0 1 0 0 0 0 0 0 0 0 3
073 Measuring and Testing 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
210 Liquid Purification or Separation 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 2
252 Compositions 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
310 Electrical Generator or Motor Structure 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
340 Communications: Electrical 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2
420 Alloys or Metallic Compositions 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
423 Chemistry of Inorganic Compounds 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 0 0 0 0 0 0 0 0 0 0 0 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 1 0 0 1 0 0 2
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
005 Beds 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
023 Chemistry: Physical Processes 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
062 Refrigeration 0 0 0 1 0 0 0 0 0 0 0 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
076 Metal Tools and Implements, Making 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
181 Acoustics 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 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
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
294 Handling: Hand and Hoist-Line Implements 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
331 Oscillators 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
362 Illumination 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
365 Static Information Storage and Retrieval 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
366 Agitating (e.g., of articles and materials) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
372 Coherent Light Generators 0 0 0 1 0 0 0 0 0 0 0 0 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 1 0 0 0 0 0 0 0 0 0 1
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
385 Optical Waveguides 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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
455 Telecommunications 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 0 1 0 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) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (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
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 89 31 24 45 39 37 28 50 48 33 53 51 43 25 24 33 40 20 15 9 12 1 750


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