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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 GRANT

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:

UNIVERSITY OF MICHIGAN

( 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_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) 30 0 3 5 2 5 13 16 12 14 10 12 17 12 16 15 9 22 8 18 14 28 281
435 Chemistry: Molecular Biology and Microbiology 4 2 3 1 7 3 19 11 15 22 13 11 5 8 7 11 11 20 15 20 10 10 228
532 Organic Compounds (includes Classes 532-570) 6 2 0 2 2 0 1 5 3 4 3 5 2 2 3 0 5 1 4 8 3 2 63
128 Surgery (includes Class 600) 10 2 0 0 0 1 2 1 5 4 2 3 2 2 0 0 1 3 2 2 6 3 51
250 Radiant Energy 6 1 1 0 0 0 0 4 1 2 3 1 1 4 2 0 2 3 3 2 2 1 39
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 1 1 3 2 1 0 0 1 2 0 1 3 3 2 0 0 1 0 2 0 23
073 Measuring and Testing 3 0 1 0 1 0 0 0 0 2 4 0 0 3 1 2 4 0 0 0 0 0 21
385 Optical Waveguides 0 0 0 1 0 0 1 0 1 0 1 3 3 1 0 1 1 1 1 1 2 2 20
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 1 0 1 1 0 3 3 0 1 0 2 1 3 0 2 0 1 0 1 20
356 Optics: Measuring and Testing 5 0 0 0 0 1 0 0 0 0 0 0 2 1 1 2 1 0 1 1 1 1 17
438 Semiconductor Device Manufacturing: Process 2 0 0 0 0 0 0 0 2 1 1 1 1 0 5 2 0 0 0 2 0 0 17
378 X-Ray or Gamma Ray Systems or Devices 4 1 0 1 0 0 1 0 0 0 0 0 1 1 1 3 0 1 1 0 0 0 15
606 Surgery (instruments) 3 0 1 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 1 2 2 2 15
204 Chemistry: Electrical and Wave Energy 3 1 1 1 1 0 0 0 0 1 0 0 1 1 0 2 0 0 0 0 2 0 14
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1 0 0 0 1 0 2 1 0 0 1 1 1 0 2 0 0 0 0 0 2 2 14
702 DP: Measuring, Calibrating, or Testing (Data Processing) 3 0 0 0 0 0 0 1 0 1 0 0 1 0 1 1 0 0 0 2 1 3 14
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 4 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 2 1 2 13
333 Wave Transmission Lines and Networks 0 0 0 0 0 0 0 1 0 0 0 0 2 2 2 2 1 0 1 0 1 0 12
359 Optical: Systems and Elements 0 0 0 1 0 0 0 0 0 2 0 0 2 2 2 0 0 1 0 0 1 1 12
604 Surgery (Medicators and Receptors) 2 0 0 1 0 0 0 0 0 0 0 0 2 1 0 0 0 0 1 1 1 3 12
372 Coherent Light Generators 1 1 2 1 0 1 0 1 0 2 0 0 0 0 0 0 0 1 0 0 1 0 11
428 Stock Material or Miscellaneous Articles 0 0 0 0 0 0 0 0 1 1 1 1 2 0 0 0 0 0 2 0 1 2 11
219 Electric Heating 0 0 0 0 0 0 1 0 0 0 0 0 0 0 4 1 0 0 1 1 0 2 10
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 0 0 0 0 0 0 0 2 1 0 1 2 1 0 0 1 0 1 1 10
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 0 1 0 1 0 0 0 0 0 0 0 0 2 1 0 1 1 1 0 1 0 10
436 Chemistry: Analytical and Immunological Testing 0 0 0 0 1 0 0 0 0 3 0 0 0 2 1 2 0 1 0 0 0 0 10
310 Electrical Generator or Motor Structure 0 0 0 0 0 0 0 0 0 0 1 1 3 1 2 0 0 0 1 0 0 0 9
324 Electricity: Measuring and Testing 0 0 0 2 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 1 2 9
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 2 0 2 0 0 4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 9
427 Coating Processes 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 2 8
106 Compositions: Coating or Plastic 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 0 0 2 1 0 7
417 Pumps 0 0 1 3 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 7
607 Surgery: Light, Thermal, and Electrical Application 2 0 0 1 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 1 7
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 7
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 7
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 1 0 0 0 1 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 6
326 Electronic Digital Logic Circuitry 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 1 0 2 0 0 6
501 Compositions: Ceramic 3 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 6
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 1 0 1 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
029 Metal Working 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 1 5
210 Liquid Purification or Separation 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 5
585 Chemistry of Hydrocarbon Compounds 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 2 0 0 0 0 0 0 5
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 2 5
714 Error Detection/Correction and Fault Detection/Recovery 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 5
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 5
002 Apparel 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
060 Power Plants 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 0 0 4
074 Machine Element or Mechanism 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 4
095 Gas Separation: Processes 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 4
137 Fluid Handling 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 4
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 4
252 Compositions 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4
318 Electricity: Motive Power Systems 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 4
365 Static Information Storage and Retrieval 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 4
375 Pulse or Digital Communications 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 4
382 Image Analysis 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 4
423 Chemistry of Inorganic Compounds 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 4
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 1 4
096 Gas Separation: Apparatus 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3
136 Batteries: Thermoelectric and Photoelectric 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 3
180 Motor Vehicles 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
228 Metal Fusion Bonding 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 3
315 Electric Lamp and Discharge Devices: Systems 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 3
331 Oscillators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 3
343 Communications: Radio Wave Antennas 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 3
348 Television 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
361 Electricity: Electrical Systems and Devices 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 3
370 Multiplex Communications 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 3
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 3
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 3
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 3
027 Undertaking 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
071 Chemistry: Fertilizers 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
174 Electricity: Conductors and Insulators 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 2
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2
208 Mineral Oils: Processes and Products 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2
216 Etching a Substrate: Processes 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2
251 Valves and Valve Actuation 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 2
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 1 0 1 2
340 Communications: Electrical 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
341 Coded Data Generation or Conversion 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 2
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 2
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
004 Baths, Closets, Sinks, and Spittoons 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
052 Static Structures (e.g., Buildings) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
072 Metal Deforming 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
084 Music 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
101 Printing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
114 Ships 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 0 0 0 0 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
119 Animal Husbandry 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
184 Lubrication 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
198 Conveyors: Power-Driven 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
242 Winding, Tensioning, or Guiding 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
261 Gas and Liquid Contact Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
266 Metallurgical Apparatus 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
280 Land Vehicles 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
307 Electrical Transmission or Interconnection Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
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 0 1 0 0 1
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
362 Illumination 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
369 Dynamic Information Storage or Retrieval 0 0 0 0 1 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 0 0 0 0 0 1 0 0 0 0 0 0 1
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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
403 Joints and Connections 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
409 Gear Cutting, Milling, or Planing 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
431 Combustion 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
432 Heating 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 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
451 Abrading 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
475 Planetary Gear Transmission Systems or Components 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
483 Tool Changing 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 0 0 0 0 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
602 Surgery: Splint, Brace, or Bandage 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
706 DP: Artificial Intelligence (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
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 0 0 0 1 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
726 Information Security 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
ALL ALL CLASSES 132 21 19 28 30 25 53 50 51 69 51 47 63 67 71 69 47 66 54 78 79 97 1267


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