U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2000

- 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 1999

- 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' )
 
Class Class Title PRE_1980 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 5 3 7 7 5 8 3 6 8 5 8 12 6 7 6 6 1 10 11 9 12 6 151
435 Chemistry: Molecular Biology and Microbiology 15 2 7 5 5 3 4 3 7 4 6 8 5 6 11 1 2 10 12 16 12 6 150
532 Organic Compounds (includes Classes 532-570) 19 1 3 1 4 4 1 2 4 2 2 4 8 8 5 9 3 5 0 2 1 5 93
372 Coherent Light Generators 15 0 2 1 0 2 0 2 0 3 5 5 6 11 4 5 6 4 2 4 2 3 82
359 Optics: Systems (Including Communication) and Elements 17 0 0 1 2 0 2 0 2 1 5 2 6 6 6 1 2 1 6 4 4 4 72
128 Surgery (includes Class 600) 2 1 0 1 1 1 2 0 0 5 3 7 3 4 3 4 4 3 2 6 7 8 67
438 Semiconductor Device Manufacturing: Process 5 2 1 1 6 1 0 2 4 5 7 2 4 6 6 3 2 0 1 0 4 1 63
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 3 0 1 0 1 4 0 1 5 5 4 3 4 4 3 0 2 3 3 3 5 4 58
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 11 3 1 0 2 0 0 0 0 0 1 2 2 5 4 4 1 2 3 5 1 2 49
356 Optics: Measuring and Testing 6 1 3 1 0 0 1 1 2 1 1 4 1 0 1 3 4 0 2 3 6 6 47
073 Measuring and Testing 17 1 1 0 0 0 1 1 3 1 3 3 1 2 1 1 0 3 3 2 1 1 46
324 Electricity: Measuring and Testing 10 0 0 2 1 1 0 0 1 1 3 3 2 0 2 0 1 3 2 2 5 5 44
250 Radiant Energy 15 1 1 0 1 1 1 0 0 0 4 2 4 3 1 1 1 0 2 1 3 1 43
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 7 1 0 1 1 1 0 5 2 0 5 0 3 4 2 3 0 2 2 0 1 2 42
310 Electrical Generator or Motor Structure 17 0 2 0 0 0 0 3 1 0 1 2 0 3 1 2 0 0 0 0 2 2 36
382 Image Analysis 0 0 1 0 0 0 0 0 0 0 0 1 0 3 1 2 1 5 8 8 5 1 36
428 Stock Material or Miscellaneous Articles 4 0 3 2 1 1 1 5 0 3 1 1 1 0 0 2 0 1 1 1 2 3 33
427 Coating Processes 3 0 1 1 0 0 1 2 1 3 4 2 3 1 0 1 0 1 0 1 2 2 29
204 Chemistry: Electrical and Wave Energy 8 1 1 0 0 2 0 1 0 1 1 0 2 1 3 0 4 2 0 0 1 0 28
365 Static Information Storage and Retrieval 17 1 2 1 0 0 0 0 2 0 2 0 0 0 0 0 2 0 0 0 0 1 28
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 3 0 0 0 1 0 0 0 0 0 0 0 0 1 3 1 2 3 1 8 3 1 27
348 Television 5 0 0 0 0 1 0 0 1 1 1 1 6 2 1 2 3 0 0 1 2 0 27
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 1 1 1 1 1 0 1 2 3 2 1 2 2 1 0 2 1 2 3 0 27
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 4 0 0 0 1 1 0 2 0 0 3 2 0 0 1 3 1 2 1 2 23
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 0 2 2 0 0 1 0 0 1 0 5 1 1 0 2 2 1 1 1 0 0 22
318 Electricity: Motive Power Systems 9 1 1 0 0 2 0 0 0 1 0 0 0 0 1 2 0 1 1 1 1 0 21
333 Wave Transmission Lines and Networks 8 1 1 1 0 0 1 0 0 0 0 1 0 0 2 1 1 0 1 0 2 1 21
708 Arithmetic Processing and Calculating (Electrical Computers) 7 0 1 0 0 3 0 0 0 1 1 1 0 3 0 1 0 2 0 0 1 0 21
136 Batteries: Thermoelectric and Photoelectric 6 3 1 3 1 1 2 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 20
375 Pulse or Digital Communications 1 0 1 0 0 2 0 0 0 0 0 1 1 0 2 2 4 2 2 1 0 1 20
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 0 0 0 0 0 0 1 3 1 1 6 0 1 3 1 1 1 1 20
164 Metal Founding 4 0 1 1 1 0 0 0 0 0 0 1 0 0 0 1 1 2 1 2 2 2 19
210 Liquid Purification or Separation 5 2 0 1 0 1 0 1 2 1 1 0 1 0 0 0 0 1 0 2 0 1 19
219 Electric Heating 4 1 1 1 0 1 0 1 0 0 0 0 3 1 1 0 2 0 1 1 1 0 19
604 Surgery (Medicators and Receptors) 0 1 2 0 0 0 0 0 0 1 1 0 1 1 0 0 2 1 1 2 3 2 18
606 Surgery (instruments) 0 1 0 0 1 0 0 1 1 1 1 3 1 2 1 3 0 1 1 0 0 0 18
148 Metal Treatment 5 0 1 2 0 0 2 0 1 1 1 0 0 0 1 0 1 0 0 0 1 1 17
385 Optical Waveguides 1 0 0 0 0 0 2 0 0 0 1 0 2 0 1 0 0 2 0 2 2 4 17
423 Chemistry of Inorganic Compounds 5 0 0 0 1 0 1 0 0 0 0 1 0 0 2 0 1 2 0 0 2 2 17
436 Chemistry: Analytical and Immunological Testing 4 0 0 1 0 1 0 1 1 1 2 0 1 0 1 0 0 1 2 0 1 0 17
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 1 1 1 1 0 2 4 0 1 2 1 16
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 4 0 1 0 1 1 0 1 0 1 0 0 0 0 1 1 0 1 2 1 0 0 15
216 Etching a Substrate: Processes 2 0 0 0 1 0 0 0 0 1 3 0 2 0 0 0 2 1 0 0 0 3 15
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 1 1 1 0 0 0 0 1 0 0 1 0 2 0 1 0 0 0 2 1 1 14
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 0 0 0 0 0 0 1 0 2 1 1 0 0 1 1 0 3 2 1 0 14
378 X-Ray or Gamma Ray Systems or Devices 7 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 2 0 0 13
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 7 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 1 0 0 12
341 Coded Data Generation or Conversion 3 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3 0 0 1 3 12
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 0 0 0 0 0 0 0 0 0 0 2 1 2 0 2 1 1 0 0 2 0 12
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 0 0 0 0 0 0 0 1 0 0 1 1 1 2 1 0 1 0 1 1 1 12
711 Memory (Electrical Computers and Digital Processing Systems) 6 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 0 1 1 0 12
340 Communications: Electrical 5 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 1 11
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 0 2 0 0 0 0 0 2 0 0 0 0 0 1 0 1 0 0 1 3 0 11
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 0 1 0 0 0 1 0 0 0 1 0 1 0 3 0 0 0 0 1 1 11
118 Coating Apparatus 3 0 0 0 0 0 0 2 0 1 1 0 0 1 0 0 0 0 0 1 0 1 10
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 2 0 1 0 0 2 10
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 2 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 1 0 1 0 0 1 9
123 Internal-Combustion Engines 1 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 0 0 0 1 0 8
165 Heat Exchange 4 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 8
307 Electrical Transmission or Interconnection Systems 7 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
315 Electric Lamp and Discharge Devices: Systems 3 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 0 8
361 Electricity: Electrical Systems and Devices 4 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 0 0 0 8
370 Multiplex Communications 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 1 1 1 0 0 2 8
374 Thermal Measuring and Testing 2 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 1 1 0 8
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 1 0 0 1 1 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 8
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 3 2 0 1 0 0 8
029 Metal Working 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 0 0 0 7
052 Static Structures (e.g., Buildings) 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 0 7
074 Machine Element or Mechanism 2 0 0 0 0 0 0 0 0 1 0 1 1 0 2 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 0 0 0 1 0 0 0 2 0 7
419 Powder Metallurgy Processes 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 1 1 7
501 Compositions: Ceramic 0 0 0 0 0 0 1 0 0 0 0 1 1 2 0 1 0 0 0 0 0 1 7
104 Railways 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 6
209 Classifying, Separating, and Assorting Solids 4 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
252 Compositions 1 1 0 0 1 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 6
330 Amplifiers 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 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 0 0 0 1 0 0 0 6
455 Telecommunications 2 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 6
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 0 0 0 6
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 4 0 1 6
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 1 0 0 0 0 0 0 1 0 0 2 0 0 0 1 0 0 0 0 6
060 Power Plants 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 5
174 Electricity: Conductors and Insulators 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 5
188 Brakes 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 5
326 Electronic Digital Logic Circuitry 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 5
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 5
347 Incremental Printing of Symbolic Information 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 5
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 2 0 5
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 5
358 Facsimile and Static Presentation Processing 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 5
360 Dynamic Magnetic Information Storage or Retrieval 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 5
369 Dynamic Information Storage or Retrieval 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 3 0 0 5
585 Chemistry of Hydrocarbon Compounds 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 5
601 Surgery: Kinesitherapy 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 1 1 0 0 0 0 5
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 1 0 1 0 5
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 1 0 0 1 2 1 0 0 5
062 Refrigeration 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 4
084 Music 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 4
323 Electricity: Power Supply or Regulation Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 4
331 Oscillators 1 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4
343 Communications: Radio Wave Antennas 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 4
366 Agitating (e.g., of articles and materials) 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 4
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 4
380 Cryptography 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 4
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 4
417 Pumps 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 4
420 Alloys or Metallic Compositions 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 4
714 Error Detection/Correction and Fault Detection/Recovery 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 4
033 Geometrical Instruments 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 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 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3
134 Cleaning and Liquid Contact with Solids 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 3
137 Fluid Handling 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
180 Motor Vehicles 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 3
181 Acoustics 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
200 Electricity: Circuit Makers and Breakers 0 0 0 0 0 0 0 0 1 0 0 0 0 2 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 0 0 0 1 0 0 0 0 0 3
244 Aeronautics 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 3
363 Electric Power Conversion Systems 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 3
405 Hydraulic and Earth Engineering 1 1 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 1 0 0 0 2 0 3
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 3
451 Abrading 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 3
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 3
602 Surgery: Splint, Brace, or Bandage 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 3
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 3
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 3
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 1 0 0 1 1 3
048 Gas: Heating and Illuminating 1 0 0 1 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 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
092 Expansible Chamber Devices 0 0 0 0 1 0 0 0 0 0 0 0 1 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 0 0 0 1 0 0 0 1 0 0 0 2
175 Boring or Penetrating the Earth 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 2
241 Solid Material Comminution or Disintegration 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
352 Optics: Motion Pictures 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
355 Photocopying 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
362 Illumination 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 2
384 Bearings 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 2
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2
434 Education and Demonstration 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2
439 Electrical Connectors 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 2
440 Marine Propulsion 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2
452 Butchering 1 0 0 1 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 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
005 Beds 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
014 Bridges 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 1 0 0 1
024 Buckles, Buttons, Clasps, Etc. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
043 Fishing, Trapping, and Vermin Destroying 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
044 Fuel and Related Compositions 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 1 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 0 0 0 1 0 0 0 1
072 Metal Deforming 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
099 Foods and Beverages: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 1 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 1 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 0 0 0 1 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 0 0 0 1 0 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 0 1 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 0 0 0 1 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
236 Automatic Temperature and Humidity Regulation 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 1 0 0 0 0 0 0 1
249 Static Molds 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 1 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 0 0 1 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 0 0 0 1 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 0 0 0 1 1
283 Printed Matter 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
290 Prime-Mover Dynamo Plants 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
294 Handling: Hand and Hoist-Line Implements 0 0 0 1 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 0 0 0 1 0 0 1
322 Electricity: Single Generator Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 1 0 1
368 Horology: Time Measuring Systems or Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 1 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 0 0 0 1 0 0 1
414 Material or Article Handling 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 1
432 Heating 0 1 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
494 Imperforate Bowl: Centrifugal Separators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 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 0 0 0 1 1
ALL ALL CLASSES 437 44 66 51 47 47 35 45 63 64 101 109 101 125 112 99 104 119 102 138 142 113 2264



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Last Modified: May 22, 2002