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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In U.S. Metropolitan and Micropolitan Areas
Breakout By Technology Class

Count of 2000 - 2011 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

Champaign-Urbana, IL

( Metropolitan Statistical Area )

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )
( patent counts may not sum exactly due to rounding - see the Explanation of Data )
( regional areas are based on U.S. Core Based Statistical Area (CBSA) )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Total
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 7 7 11 7 9 4 11 16 8 18 18 14 130
435 Chemistry: Molecular Biology and Microbiology 1 4 3 0 3 3 6 3 6 7 7 8 51
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 6 1 3 2 3 2 3 4 3 5 6 4 42
438 Semiconductor Device Manufacturing: Process 2 1 1 2 9 0 1 2 2 4 4 7 35
356 Optics: Measuring and Testing 0 0 0 2 0 1 1 8 2 2 4 6 26
532 Organic Compounds (includes Classes 532-570) 1 1 0 2 1 3 6 0 3 3 1 4 25
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 2 2 2 2 2 4 2 3 1 3 23
375 Pulse or Digital Communications 2 2 5 3 1 1 2 3 1 0 1 2 23
382 Image Analysis 1 0 1 0 5 0 1 3 3 2 4 3 23
313 Electric Lamp and Discharge Devices 1 1 0 2 5 0 3 0 2 6 1 1 22
250 Radiant Energy 1 0 0 2 4 0 2 2 0 3 3 4 21
128 Surgery (includes Class 600) 3 3 1 1 0 0 1 1 1 3 1 4 19
717 DP: Software Development, Installation, and Management (Data Processing) 0 1 1 0 3 0 3 3 1 1 3 0 16
372 Coherent Light Generators 0 1 1 0 1 1 1 2 1 1 4 2 15
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 2 0 1 1 1 1 1 1 3 1 2 15
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 3 0 0 1 5 5 15
426 Food or Edible Material: Processes, Compositions, and Products 1 1 0 0 1 0 1 0 1 1 5 3 14
210 Liquid Purification or Separation 0 0 1 2 1 0 5 1 2 1 0 0 13
324 Electricity: Measuring and Testing 1 1 2 1 4 1 1 0 1 0 0 1 13
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 1 0 1 4 1 3 3 0 13
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 0 0 0 2 0 3 1 1 1 1 3 13
204 Chemistry: Electrical and Wave Energy 0 1 0 1 0 2 2 1 0 1 0 4 12
423 Chemistry of Inorganic Compounds 1 0 0 1 1 1 1 0 1 2 2 2 12
015 Brushing, Scrubbing, and General Cleaning 1 1 1 1 0 3 2 0 1 1 0 0 11
073 Measuring and Testing 0 0 0 0 1 1 1 1 1 3 2 0 10
707 DP: Database and File Management or Data Structures (Data Processing) 1 0 2 0 0 0 1 0 0 1 2 3 10
714 Error Detection/Correction and Fault Detection/Recovery 0 0 1 3 0 0 1 1 1 0 2 1 10
345 Computer Graphics Processing and Selective Visual Display Systems 1 1 0 0 1 1 1 0 1 0 2 1 9
370 Multiplex Communications 0 1 0 0 3 0 3 0 0 2 0 0 9
428 Stock Material or Miscellaneous Articles 0 0 2 0 2 2 0 1 1 0 1 0 9
436 Chemistry: Analytical and Immunological Testing 0 0 0 1 0 0 1 2 0 1 2 2 9
359 Optical: Systems and Elements 0 0 1 1 2 0 2 0 0 0 0 2 8
381 Electrical Audio Signal Processing Systems and Devices 0 1 0 0 0 0 2 1 0 2 1 1 8
385 Optical Waveguides 0 0 0 1 0 1 1 0 1 0 4 0 8
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 1 2 0 0 0 0 2 0 1 1 1 8
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 0 0 0 1 0 1 1 3 0 1 0 8
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 1 0 0 0 1 0 1 1 0 1 2 8
060 Power Plants 0 1 0 0 0 1 1 0 0 1 0 3 7
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 1 0 0 0 1 0 1 1 0 2 7
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 2 0 0 2 2 0 7
095 Gas Separation: Processes 0 0 1 0 1 0 0 1 0 0 1 2 6
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 1 0 2 0 0 0 2 0 0 0 1 6
427 Coating Processes 1 0 0 2 0 1 0 0 2 0 0 0 6
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 0 0 0 2 1 1 1 0 0 0 0 6
482 Exercise Devices 0 2 0 0 0 1 0 1 1 0 0 1 6
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 1 0 0 1 3 1 6
029 Metal Working 0 1 0 0 2 0 0 0 1 1 0 0 5
084 Music 0 0 0 0 1 0 0 0 0 2 0 2 5
111 Planting 0 0 0 0 0 0 0 0 4 1 0 0 5
123 Internal-Combustion Engines 0 0 1 0 2 1 0 1 0 0 0 0 5
244 Aeronautics and Astronautics 1 0 0 1 1 2 0 0 0 0 0 0 5
330 Amplifiers 0 0 0 1 1 0 1 0 0 1 1 0 5
362 Illumination 0 0 0 0 0 0 0 2 0 1 1 1 5
417 Pumps 0 1 2 0 2 0 0 0 0 0 0 0 5
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1 0 0 0 0 0 0 0 0 0 2 2 5
434 Education and Demonstration 0 0 0 0 1 0 1 0 1 1 0 1 5
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 0 0 0 1 1 1 0 0 0 1 5
118 Coating Apparatus 0 0 0 0 0 0 0 1 1 0 1 1 4
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 0 2 0 0 0 0 0 0 0 2 4
219 Electric Heating 1 0 0 1 0 0 0 1 0 0 0 1 4
315 Electric Lamp and Discharge Devices: Systems 0 0 0 1 1 1 1 0 0 0 0 0 4
318 Electricity: Motive Power Systems 0 1 0 0 0 0 0 3 0 0 0 0 4
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 0 1 1 2 0 0 0 0 0 4
340 Communications: Electrical 2 0 0 0 0 0 0 0 0 1 1 0 4
360 Dynamic Magnetic Information Storage or Retrieval 0 0 1 2 1 0 0 0 0 0 0 0 4
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 0 0 3 1 0 0 0 0 4
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 0 0 0 0 3 0 1 0 4
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 1 0 1 0 0 1 0 1 0 4
033 Geometrical Instruments 0 0 0 1 0 1 0 0 0 1 0 0 3
052 Static Structures (e.g., Buildings) 2 0 0 0 0 0 0 1 0 0 0 0 3
056 Harvesters 0 1 0 1 0 0 1 0 0 0 0 0 3
106 Compositions: Coating or Plastic 0 1 0 1 0 1 0 0 0 0 0 0 3
119 Animal Husbandry 1 0 0 0 2 0 0 0 0 0 0 0 3
194 Check-Actuated Control Mechanisms 1 0 1 1 0 0 0 0 0 0 0 0 3
209 Classifying, Separating, and Assorting Solids 0 0 0 0 1 0 0 1 1 0 0 0 3
252 Compositions 0 0 0 0 1 0 0 0 0 0 1 1 3
296 Land Vehicles: Bodies and Tops 0 2 0 0 0 0 0 1 0 0 0 0 3
307 Electrical Transmission or Interconnection Systems 0 0 0 0 0 0 1 1 0 0 0 1 3
341 Coded Data Generation or Conversion 0 0 0 0 0 0 0 1 0 1 1 0 3
363 Electric Power Conversion Systems 0 0 0 0 1 0 0 0 0 0 1 1 3
378 X-Ray or Gamma Ray Systems or Devices 0 3 0 0 0 0 0 0 0 0 0 0 3
379 Telephonic Communications 0 0 0 2 0 1 0 0 0 0 0 0 3
414 Material or Article Handling 0 0 1 2 0 0 0 0 0 0 0 0 3
446 Amusement Devices: Toys 0 1 0 0 0 0 1 1 0 0 0 0 3
455 Telecommunications 0 0 0 0 0 1 0 0 1 0 0 1 3
473 Games Using Tangible Projectile 0 1 0 1 0 0 1 0 0 0 0 0 3
501 Compositions: Ceramic 0 0 0 0 0 1 0 0 0 2 0 0 3
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 1 0 1 0 0 0 1 3
047 Plant Husbandry 1 0 0 0 0 0 0 0 0 0 0 1 2
048 Gas: Heating and Illuminating 0 0 0 0 1 0 1 0 0 0 0 0 2
062 Refrigeration 1 1 0 0 0 0 0 0 0 0 0 0 2
070 Locks 0 0 0 0 0 0 0 0 2 0 0 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 0 0 0 0 1 0 0 0 0 0 0 2
165 Heat Exchange 0 0 0 0 1 1 0 0 0 0 0 0 2
216 Etching a Substrate: Processes 0 0 0 0 1 0 0 0 0 1 0 0 2
301 Land Vehicles: Wheels and Axles 0 0 0 1 1 0 0 0 0 0 0 0 2
312 Supports: Cabinet Structure 0 0 0 0 0 1 0 0 0 0 1 0 2
323 Electricity: Power Supply or Regulation Systems 0 0 0 0 0 0 1 0 1 0 0 0 2
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 0 0 0 0 0 0 1 1 0 2
338 Electrical Resistors 0 0 0 0 0 0 0 0 0 0 1 1 2
343 Communications: Radio Wave Antennas 0 0 1 0 0 0 0 0 0 0 0 1 2
358 Facsimile and Static Presentation Processing 0 0 0 0 0 0 0 0 0 0 1 1 2
380 Cryptography 0 1 0 0 0 0 0 0 0 0 0 1 2
396 Photography 0 0 0 0 0 0 0 0 0 0 1 1 2
398 Optical Communications 0 0 0 0 0 0 0 0 0 1 1 0 2
405 Hydraulic and Earth Engineering 2 0 0 0 0 0 0 0 0 0 0 0 2
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 1 1 0 0 0 0 0 0 0 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 2 0 0 0 0 0 0 0 0 0 2
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 0 1 0 0 0 0 0 1 2
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 1 0 0 0 0 0 2
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 1 0 0 0 0 1 2
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 1 0 0 0 0 1 2
005 Beds 0 1 0 0 0 0 0 0 0 0 0 0 1
030 Cutlery 1 0 0 0 0 0 0 0 0 0 0 0 1
040 Card, Picture, or Sign Exhibiting 0 0 0 1 0 0 0 0 0 0 0 0 1
055 Gas Separation 0 0 0 0 0 0 1 0 0 0 0 0 1
074 Machine Element or Mechanism 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 1 0 0 0 0 0 0 0 0 1
092 Expansible Chamber Devices 0 0 0 1 0 0 0 0 0 0 0 0 1
096 Gas Separation: Apparatus 0 0 0 0 0 0 0 0 0 0 0 1 1
099 Foods and Beverages: Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 1
100 Presses 1 0 0 0 0 0 0 0 0 0 0 0 1
104 Railways 0 0 1 0 0 0 0 0 0 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 0 0 1 0 0 0 0 0 0 0 1
126 Stoves and Furnaces 0 0 0 0 0 1 0 0 0 0 0 0 1
127 Sugar, Starch, and Carbohydrates 0 0 0 0 0 0 0 0 0 1 0 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 0 0 0 1 0 0 0 0 1
137 Fluid Handling 0 0 0 0 0 0 0 0 1 0 0 0 1
149 Explosive and Thermic Compositions or Charges 0 0 0 0 0 0 0 0 0 0 0 1 1
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 0 0 0 1 0 0 0 1
198 Conveyors: Power-Driven 0 0 0 0 0 0 1 0 0 0 0 0 1
200 Electricity: Circuit Makers and Breakers 1 0 0 0 0 0 0 0 0 0 0 0 1
206 Special Receptacle or Package 1 0 0 0 0 0 0 0 0 0 0 0 1
211 Supports: Racks 0 0 0 0 0 0 0 1 0 0 0 0 1
221 Article Dispensing 0 1 0 0 0 0 0 0 0 0 0 0 1
222 Dispensing (apparatus and process) 0 0 0 0 0 0 0 0 0 1 0 0 1
237 Heating Systems 0 0 0 0 0 1 0 0 0 0 0 0 1
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 0 0 0 0 0 0 0 0 0 1 1
248 Supports (e.g., for holding articles, etc.) 0 0 0 0 0 0 0 0 1 0 0 0 1
256 Fences 0 0 0 0 0 0 1 0 0 0 0 0 1
273 Amusement Devices: Games 0 0 0 0 0 0 0 1 0 0 0 0 1
280 Land Vehicles 1 0 0 0 0 0 0 0 0 0 0 0 1
293 Vehicle Fenders 0 0 0 1 0 0 0 0 0 0 0 0 1
294 Handling: Hand and Hoist-Line Implements 0 0 0 0 0 0 0 0 0 0 0 1 1
310 Electrical Generator or Motor Structure 0 0 0 0 0 0 0 0 1 0 0 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 0 0 0 0 0 0 1 0 1
331 Oscillators 0 0 0 0 0 0 0 1 0 0 0 0 1
336 Inductor Devices 0 0 0 0 0 1 0 0 0 0 0 0 1
347 Incremental Printing of Symbolic Information 0 0 0 0 0 0 0 0 0 0 1 0 1
348 Television 0 0 1 0 0 0 0 0 0 0 0 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 0 0 0 0 0 0 1 0 1
361 Electricity: Electrical Systems and Devices 0 0 1 0 0 0 0 0 0 0 0 0 1
365 Static Information Storage and Retrieval 0 1 0 0 0 0 0 0 0 0 0 0 1
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 0 0 0 0 0 0 0 0 0 0 0 1
374 Thermal Measuring and Testing 0 0 0 0 0 0 0 1 0 0 0 0 1
392 Electric Resistance Heating Devices 0 0 0 0 0 0 1 0 0 0 0 0 1
401 Coating Implements with Material Supply 0 0 0 0 1 0 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 0 1 0 0 0 0 1
409 Gear Cutting, Milling, or Planing 0 0 0 0 0 0 0 0 0 1 0 0 1
415 Rotary Kinetic Fluid Motors or Pumps 0 0 0 0 0 0 1 0 0 0 0 0 1
431 Combustion 0 1 0 0 0 0 0 0 0 0 0 0 1
439 Electrical Connectors 0 0 0 0 0 0 0 0 0 1 0 0 1
453 Coin Handling 0 0 0 0 1 0 0 0 0 0 0 0 1
460 Crop Threshing or Separating 0 0 0 0 0 0 0 0 0 0 1 0 1
475 Planetary Gear Transmission Systems or Components 0 0 0 0 0 0 0 0 1 0 0 0 1
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 0 0 0 0 0 0 1 0 0 1
504 Plant Protecting and Regulating Compositions 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 1 1
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 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 1 0 0 0 0 0 1
606 Surgery (instruments) 0 1 0 0 0 0 0 0 0 0 0 0 1
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 1 0 0 0 0 0 0 0 0 1
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 0 0 0 0 0 0 0 0 0 1 1
726 Information Security 0 1 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 62 57 57 67 95 58 107 97 78 107 121 136 1042


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