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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)


U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2003

- 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 100 BY R&D EXPENDITURES IN FY 2002

- 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 100 R&D University:

MASSACHUSETTS INSTITUTE OF TECHNOLOGY

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

This table displays annual patent counts for the associated university entry.
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 entry.
Class Class Title PRE_1983 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Total
435 Chemistry: Molecular Biology and Microbiology 29 5 3 4 3 7 4 6 8 5 6 11 1 2 10 12 16 12 6 13 7 9 179
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 22 5 8 3 6 8 5 8 12 6 7 6 6 1 10 11 9 12 7 8 5 7 172
532 Organic Compounds (includes Classes 532-570) 24 4 4 1 2 4 2 2 4 8 8 5 9 3 5 0 2 1 5 4 6 1 104
372 Coherent Light Generators 18 0 2 0 2 0 3 5 5 6 11 4 5 6 4 2 4 2 3 4 1 2 89
128 Surgery (includes Class 600) 4 1 1 2 0 0 5 3 7 3 4 3 4 4 3 2 6 7 8 3 6 2 78
359 Optics: Systems and Elements 15 2 0 2 0 2 1 5 1 4 6 6 1 2 1 4 3 3 4 2 7 6 77
438 Semiconductor Device Manufacturing: Process 9 6 1 0 2 4 5 7 2 4 6 6 3 2 0 1 0 4 1 4 4 1 72
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 4 1 4 0 1 5 5 4 3 4 4 3 0 2 3 3 3 5 4 4 1 2 65
356 Optics: Measuring and Testing 11 0 0 1 1 2 1 1 4 1 0 1 3 4 0 2 3 6 6 2 6 5 60
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 15 2 0 0 0 0 0 1 2 2 5 4 4 1 2 3 5 1 2 1 5 4 59
250 Radiant Energy 17 1 1 1 0 0 0 4 2 4 3 1 1 1 0 2 1 3 1 4 4 5 56
073 Measuring and Testing 19 0 0 1 1 3 1 3 3 1 2 1 1 0 3 3 2 1 1 4 3 1 54
324 Electricity: Measuring and Testing 12 1 1 0 0 1 1 3 3 2 0 2 0 1 3 2 2 5 5 2 2 0 48
382 Image Analysis 1 0 0 0 0 0 0 0 1 0 3 1 2 1 5 8 8 5 1 6 3 3 48
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 9 1 1 0 5 2 0 5 0 3 4 2 3 0 2 2 0 1 2 0 0 2 44
310 Electrical Generator or Motor Structure 19 0 0 0 3 1 0 1 2 0 3 1 2 0 0 0 0 2 2 4 0 1 41
428 Stock Material or Miscellaneous Articles 9 1 1 1 5 0 3 1 1 1 0 0 2 0 1 1 1 2 3 2 1 4 40
427 Coating Processes 5 0 0 1 2 1 3 4 2 3 1 0 1 0 1 0 1 2 2 4 1 2 36
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 3 1 0 0 0 0 0 0 0 0 1 3 1 2 3 1 8 3 1 3 2 2 34
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 1 1 1 0 1 2 3 2 1 2 2 1 0 2 1 2 3 0 2 4 1 34
385 Optical Waveguides 1 0 0 2 0 0 0 1 0 2 0 1 0 0 2 0 2 2 4 1 6 9 33
348 Television 5 0 1 0 0 1 1 1 1 6 2 1 2 3 0 0 1 2 0 1 3 1 32
365 Static Information Storage and Retrieval 22 0 0 0 0 2 0 2 0 0 0 0 0 2 0 0 0 0 1 0 0 0 29
204 Chemistry: Electrical and Wave Energy 10 0 2 0 1 0 1 1 0 2 1 3 0 4 2 0 0 1 0 0 0 0 28
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 0 0 1 1 0 2 0 0 3 2 0 0 1 3 1 2 1 2 4 0 0 27
375 Pulse or Digital Communications 2 0 2 0 0 0 0 0 1 1 0 2 2 4 3 2 1 0 1 1 0 4 26
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 6 0 0 1 0 0 1 0 5 1 1 0 2 2 1 1 1 0 0 2 0 0 24
136 Batteries: Thermoelectric and Photoelectric 13 1 1 2 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 2 23
164 Metal Founding 6 1 0 0 0 0 0 0 1 0 0 0 1 1 2 1 2 2 2 1 2 1 23
333 Wave Transmission Lines and Networks 11 0 0 1 0 0 0 0 1 0 0 2 1 1 0 1 0 2 1 0 0 2 23
318 Electricity: Motive Power Systems 11 0 2 0 0 0 1 0 0 0 0 1 2 0 1 1 1 1 0 0 1 0 22
219 Electric Heating 7 0 1 0 1 0 0 0 0 3 1 1 0 2 0 1 1 1 0 0 1 1 21
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 0 0 0 1 3 1 1 6 0 1 3 1 1 1 1 1 0 0 21
708 Arithmetic Processing and Calculating (Electrical Computers) 8 0 3 0 0 0 1 1 1 0 3 0 1 0 2 0 0 1 0 0 0 0 21
210 Liquid Purification or Separation 8 0 1 0 1 2 1 1 0 1 0 0 0 0 1 0 2 0 1 1 0 0 20
398 Optical Communications 3 0 0 0 0 0 0 0 1 2 0 0 0 0 0 2 1 1 0 2 3 5 20
436 Chemistry: Analytical and Immunological Testing 5 0 1 0 1 1 1 2 0 1 0 1 0 0 1 2 0 1 0 0 2 1 20
606 Surgery (instruments) 1 1 0 0 1 1 1 1 3 1 2 1 3 0 1 1 0 0 0 2 0 0 20
148 Metal Treatment 8 0 0 2 0 1 1 1 0 0 0 1 0 1 0 0 0 1 1 0 1 1 19
341 Coded Data Generation or Conversion 4 0 0 0 0 0 0 0 0 1 0 0 0 0 3 0 0 1 3 3 2 2 19
423 Chemistry of Inorganic Compounds 5 1 0 1 0 0 0 0 1 0 0 2 0 1 2 0 0 2 2 1 1 0 19
604 Surgery (Medicators and Receptors) 3 0 0 0 0 0 1 1 0 1 1 0 0 2 1 1 2 3 2 0 0 0 18
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 5 0 0 0 0 1 0 0 1 0 2 0 1 0 0 0 2 1 0 1 2 2 18
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 1 1 1 1 0 2 4 0 1 2 1 1 1 0 18
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 0 0 0 0 0 0 0 2 1 2 0 2 1 1 0 0 2 0 1 2 2 17
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 5 1 1 0 1 0 1 0 0 0 0 1 1 0 1 2 1 0 0 0 1 0 16
711 Memory (Electrical Computers and Digital Processing Systems) 7 0 0 0 0 0 0 0 1 0 0 2 0 0 1 0 1 1 0 0 1 2 16
216 Etching a Substrate: Processes 2 1 0 0 0 0 1 3 0 2 0 0 0 2 1 0 0 0 3 0 0 0 15
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 3 0 0 0 1 0 0 0 1 0 1 0 3 0 0 0 0 1 1 0 2 2 15
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 0 0 0 0 1 0 0 1 1 1 2 1 0 1 0 1 1 1 1 0 2 15
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 0 0 0 1 0 2 1 1 0 0 1 1 0 3 2 1 0 1 0 0 15
340 Communications: Electrical 4 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 1 1 2 1 13
376 Induced Nuclear Reactions: Processes, Systems, and Elements 3 0 0 0 0 2 0 0 0 0 0 1 0 1 0 0 1 3 0 2 0 0 13
378 X-Ray or Gamma Ray Systems or Devices 7 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 2 0 0 0 0 0 13
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 7 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 1 0 0 0 0 0 12
370 Multiplex Communications 0 0 0 0 1 0 2 0 0 0 0 0 0 1 1 1 0 0 2 2 1 1 12
252 Compositions 2 1 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 4 1 0 11
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 2 0 0 0 0 0 1 0 0 2 0 0 1 1 0 1 0 0 1 1 1 0 11
029 Metal Working 2 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 0 0 0 0 2 1 10
118 Coating Apparatus 3 0 0 0 2 0 1 1 0 0 1 0 0 0 0 0 1 0 1 0 0 0 10
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 3 1 1 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 1 1 10
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 4 0 1 1 3 0 10
123 Internal-Combustion Engines 1 0 0 0 0 0 0 0 0 1 1 1 1 2 0 0 0 1 0 0 0 1 9
315 Electric Lamp and Discharge Devices: Systems 4 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 0 0 0 1 9
361 Electricity: Electrical Systems and Devices 5 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0 9
369 Dynamic Information Storage or Retrieval 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 3 0 0 1 0 3 9
419 Powder Metallurgy Processes 1 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 1 1 0 0 2 9
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 2 0 2 2 9
165 Heat Exchange 5 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 8
307 Electrical Transmission or Interconnection Systems 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
374 Thermal Measuring and Testing 2 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 1 1 0 0 0 0 8
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 0 0 1 0 0 1 0 3 2 0 1 0 0 0 0 0 8
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 1 0 1 0 1 0 2 8
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 0 0 0 0 2 0 8
052 Static Structures (e.g., Buildings) 2 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 0 0 0 0 7
060 Power Plants 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 7
074 Machine Element or Mechanism 2 0 0 0 0 0 1 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 7
313 Electric Lamp and Discharge Devices 4 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 0 0 0 7
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 2 0 1 1 0 7
501 Compositions: Ceramic 0 0 0 1 0 0 0 0 1 1 2 0 1 0 0 0 0 0 1 0 0 0 7
585 Chemistry of Hydrocarbon Compounds 3 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 7
062 Refrigeration 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 1 0 1 6
104 Railways 5 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 6
209 Classifying, Separating, and Assorting Solids 5 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
330 Amplifiers 3 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 6
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 6
343 Communications: Radio Wave Antennas 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 2 0 6
363 Electric Power Conversion Systems 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 6
426 Food or Edible Material: Processes, Compositions, and Products 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 6
455 Telecommunications 2 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 6
714 Error Detection/Correction and Fault Detection/Recovery 1 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 2 6
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2 1 0 0 0 1 0 6
174 Electricity: Conductors and Insulators 4 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 5
188 Brakes 2 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 5
326 Electronic Digital Logic Circuitry 2 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 5
347 Incremental Printing of Symbolic Information 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 5
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 5
358 Facsimile and Static Presentation Processing 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 5
360 Dynamic Magnetic Information Storage or Retrieval 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 5
380 Cryptography 0 1 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 1 0 0 5
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 1 0 0 5
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 1 1 5
601 Surgery: Kinesitherapy 0 0 0 0 0 0 0 0 3 0 0 0 0 1 1 0 0 0 0 0 0 0 5
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 1 0 0 2 0 0 0 1 0 0 0 0 0 0 0 5
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 1 1 0 5
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 1 0 0 1 1 0 1 1 5
084 Music 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 4
137 Fluid Handling 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4
180 Motor Vehicles 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 4
181 Acoustics 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 4
244 Aeronautics 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 4
323 Electricity: Power Supply or Regulation Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 4
331 Oscillators 3 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
366 Agitating (e.g., of articles and materials) 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 4
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 4
417 Pumps 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 4
420 Alloys or Metallic Compositions 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 4
434 Education and Demonstration 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 4
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 4
033 Geometrical Instruments 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 3
095 Gas Separation: Processes 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
114 Ships 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 3
134 Cleaning and Liquid Contact with Solids 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 3
200 Electricity: Circuit Makers and Breakers 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 3
222 Dispensing (apparatus and process) 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 3
384 Bearings 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 3
405 Hydraulic and Earth Engineering 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
415 Rotary Kinetic Fluid Motors or Pumps 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 0 0 0 3
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 3
451 Abrading 0 0 0 0 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 3
602 Surgery: Splint, Brace, or Bandage 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 3
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 3
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 3
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3
044 Fuel and Related Compositions 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
048 Gas: Heating and Illuminating 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
065 Glass Manufacturing 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
092 Expansible Chamber Devices 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
096 Gas Separation: Apparatus 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
106 Compositions: Coating or Plastic 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 2
175 Boring or Penetrating the Earth 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 2
241 Solid Material Comminution or Disintegration 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
290 Prime-Mover Dynamo Plants 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2
322 Electricity: Single Generator Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 2
336 Inductor Devices 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
338 Electrical Resistors 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
352 Optics: Motion Pictures 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
355 Photocopying 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
362 Illumination 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 2
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
439 Electrical Connectors 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2
440 Marine Propulsion 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 2
452 Butchering 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
463 Amusement Devices: Games 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
473 Games Using Tangible Projectile 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 2
005 Beds 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
014 Bridges 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
015 Brushing, Scrubbing, and General Cleaning 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
024 Buckles, Buttons, Clasps, Etc. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
034 Drying and Gas or Vapor Contact with Solids 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
043 Fishing, Trapping, and Vermin Destroying 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
070 Locks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
072 Metal Deforming 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
082 Turning (e.g., for metal working) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
099 Foods and Beverages: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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
110 Furnaces 0 0 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0 1
122 Liquid Heaters and Vaporizers 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
124 Mechanical Guns and Projectors 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
126 Stoves and Furnaces 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
194 Check-Actuated Control Mechanisms 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
208 Mineral Oils: Processes and Products 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
228 Metal Fusion Bonding 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
236 Automatic Temperature and Humidity Regulation 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
248 Supports (e.g., for holding articles, etc.) 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
249 Static Molds 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
251 Valves and Valve Actuation 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
260 Chemistry of Carbon Compounds 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
266 Metallurgical Apparatus 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
277 Seal for a Joint or Juncture 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
280 Land Vehicles 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
283 Printed Matter 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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
297 Chairs and Seats 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
329 Demodulators 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
332 Modulators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
353 Optics: Image Projectors 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
368 Horology: Time Measuring Systems or Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
373 Industrial Electric Heating Furnaces 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
403 Joints and Connections 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
414 Material or Article Handling 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 0 1
432 Heating 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 1 0 0 0 0 0 1
494 Imperforate Bowl: Centrifugal Separators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
725 Interactive Video Distribution Systems 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 598 47 47 35 45 63 64 101 109 101 125 112 99 104 119 102 138 142 113 125 135 127 2651


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