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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

Ames, IA

( 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 6 8 5 7 9 6 11 18 12 21 15 7 125
435 Chemistry: Molecular Biology and Microbiology 4 5 5 1 5 5 13 7 3 7 8 5 68
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 8 8 1 7 3 1 2 6 2 6 5 3 52
532 Organic Compounds (includes Classes 532-570) 4 1 2 1 1 2 3 3 2 4 1 1 25
056 Harvesters 6 3 4 1 1 1 0 1 1 1 2 1 22
210 Liquid Purification or Separation 2 0 0 0 3 3 3 2 4 1 1 0 19
092 Expansible Chamber Devices 0 6 2 1 2 0 1 0 0 1 3 0 16
060 Power Plants 1 3 3 0 0 3 2 1 1 0 0 0 14
073 Measuring and Testing 1 2 0 1 2 2 1 0 2 0 1 2 14
204 Chemistry: Electrical and Wave Energy 2 0 1 0 1 2 2 1 0 2 0 2 13
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 2 1 3 0 0 1 4 0 0 0 1 13
052 Static Structures (e.g., Buildings) 3 4 0 0 1 0 1 1 0 0 1 0 11
426 Food or Edible Material: Processes, Compositions, and Products 2 1 0 1 2 1 1 0 0 0 1 1 10
180 Motor Vehicles 0 0 1 0 1 2 2 0 2 1 0 0 9
324 Electricity: Measuring and Testing 1 1 0 2 0 0 0 0 2 1 1 0 8
341 Coded Data Generation or Conversion 0 0 3 1 3 1 0 0 0 0 0 0 8
365 Static Information Storage and Retrieval 1 1 1 0 2 0 0 1 0 0 1 1 8
375 Pulse or Digital Communications 0 0 0 0 0 1 0 1 3 2 1 0 8
326 Electronic Digital Logic Circuitry 0 0 1 2 2 1 0 0 0 0 1 0 7
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 1 0 2 0 0 0 2 1 1 7
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 2 0 1 1 0 1 1 0 1 7
091 Motors: Expansible Chamber Type 0 2 0 2 0 0 1 0 0 0 0 1 6
111 Planting 0 1 0 0 1 0 1 0 1 1 0 0 5
192 Clutches and Power-Stop Control 0 0 0 0 0 0 0 0 3 0 2 0 5
318 Electricity: Motive Power Systems 1 1 0 1 1 0 0 0 1 0 0 0 5
362 Illumination 1 0 0 0 0 1 1 0 0 1 1 0 5
408 Cutting by Use of Rotating Axially Moving Tool 0 0 1 0 1 0 0 0 0 0 3 0 5
417 Pumps 0 1 1 0 1 0 0 2 0 0 0 0 5
436 Chemistry: Analytical and Immunological Testing 1 0 0 1 0 0 0 0 0 0 3 0 5
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 2 1 0 1 0 0 0 0 0 0 0 5
717 DP: Software Development, Installation, and Management (Data Processing) 1 1 1 0 0 0 0 1 0 0 1 0 5
062 Refrigeration 0 2 0 0 0 0 1 0 0 1 0 0 4
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 0 1 2 0 0 0 0 1 0 4
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 1 1 0 1 0 0 0 0 0 1 0 4
428 Stock Material or Miscellaneous Articles 0 2 0 0 0 0 0 1 0 0 0 1 4
438 Semiconductor Device Manufacturing: Process 1 0 1 1 0 0 0 0 0 1 0 0 4
455 Telecommunications 0 0 0 0 1 0 2 1 0 0 0 0 4
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 0 0 0 1 0 0 1 0 0 1 0 4
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 0 0 1 1 0 0 0 2 0 4
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 0 0 0 1 0 0 2 1 0 4
043 Fishing, Trapping, and Vermin Destroying 1 0 0 1 0 0 0 0 0 0 0 1 3
123 Internal-Combustion Engines 0 0 0 0 0 0 0 0 0 1 1 1 3
241 Solid Material Comminution or Disintegration 0 0 0 0 0 0 1 0 0 0 0 2 3
248 Supports (e.g., for holding articles, etc.) 0 0 0 0 0 0 0 0 0 0 1 2 3
252 Compositions 1 0 1 0 0 0 0 0 1 0 0 0 3
330 Amplifiers 0 0 0 0 1 0 1 0 0 0 1 0 3
331 Oscillators 0 0 0 2 0 0 1 0 0 0 0 0 3
372 Coherent Light Generators 0 0 0 0 0 0 0 1 0 1 0 1 3
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 0 1 0 0 0 1 1 0 0 3
415 Rotary Kinetic Fluid Motors or Pumps 1 1 0 1 0 0 0 0 0 0 0 0 3
418 Rotary Expansible Chamber Devices 0 1 0 0 0 1 0 0 1 0 0 0 3
427 Coating Processes 0 1 0 1 0 0 0 0 0 1 0 0 3
460 Crop Threshing or Separating 0 2 0 0 0 0 0 0 0 0 1 0 3
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 3 3
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 0 1 1 0 0 0 0 1 3
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 1 0 0 0 0 0 1 1 3
033 Geometrical Instruments 0 0 0 0 0 0 0 0 1 0 1 0 2
068 Textiles: Fluid Treating Apparatus 0 0 0 0 0 0 0 0 0 0 0 2 2
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 0 0 0 0 0 0 0 0 1 0 2
084 Music 0 0 0 0 0 0 0 1 1 0 0 0 2
118 Coating Apparatus 1 0 0 0 0 0 0 0 0 0 1 0 2
137 Fluid Handling 0 0 1 0 0 0 1 0 0 0 0 0 2
148 Metal Treatment 0 1 0 1 0 0 0 0 0 0 0 0 2
165 Heat Exchange 0 0 0 1 1 0 0 0 0 0 0 0 2
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 1 0 0 0 0 0 0 0 0 0 0 2
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 1 0 0 0 0 0 0 0 0 0 0 2
219 Electric Heating 0 0 0 1 1 0 0 0 0 0 0 0 2
239 Fluid Sprinkling, Spraying, and Diffusing 1 0 0 0 0 0 0 1 0 0 0 0 2
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 0 0 0 0 0 1 0 1 2
269 Work Holders 1 0 0 1 0 0 0 0 0 0 0 0 2
290 Prime-Mover Dynamo Plants 0 1 0 0 0 0 0 0 0 0 0 1 2
310 Electrical Generator or Motor Structure 0 0 0 1 0 0 1 0 0 0 0 0 2
312 Supports: Cabinet Structure 0 0 0 0 0 1 0 0 0 0 0 1 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 0 0 0 1 0 0 1 0 0 0 2
348 Television 0 0 0 0 0 0 0 0 0 0 1 1 2
353 Optics: Image Projectors 0 0 0 0 0 0 0 0 1 1 0 0 2
356 Optics: Measuring and Testing 0 0 0 0 2 0 0 0 0 0 0 0 2
361 Electricity: Electrical Systems and Devices 0 0 0 0 0 0 0 1 0 0 0 1 2
370 Multiplex Communications 0 0 0 0 0 0 0 0 0 1 0 1 2
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 1 0 0 1 0 0 0 0 0 2
382 Image Analysis 0 0 0 0 0 0 0 0 0 1 0 1 2
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 0 0 0 0 1 0 0 0 0 0 2
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 0 0 0 0 0 0 0 2 2
423 Chemistry of Inorganic Compounds 0 0 0 0 1 0 1 0 0 0 0 0 2
451 Abrading 1 1 0 0 0 0 0 0 0 0 0 0 2
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 0 2 0 0 0 0 2
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 1 0 0 0 0 0 0 2
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 1 0 1 0 2
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 0 0 0 0 1 1 0 0 0 0 2
004 Baths, Closets, Sinks, and Spittoons 0 0 0 0 0 1 0 0 0 0 0 0 1
016 Miscellaneous Hardware 1 0 0 0 0 0 0 0 0 0 0 0 1
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 0 0 0 0 0 1 0 0 1
044 Fuel and Related Compositions 0 0 0 1 0 0 0 0 0 0 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 0 1 0 0 0 0 0 0 0 1
053 Package Making 0 0 0 0 0 0 0 0 0 0 0 1 1
074 Machine Element or Mechanism 0 0 0 0 0 0 0 0 0 0 0 1 1
095 Gas Separation: Processes 0 0 0 0 0 0 0 1 0 0 0 0 1
099 Foods and Beverages: Apparatus 0 0 0 0 0 0 0 0 0 0 1 0 1
106 Compositions: Coating or Plastic 0 0 0 0 0 0 0 0 0 1 0 0 1
134 Cleaning and Liquid Contact with Solids 0 0 0 0 1 0 0 0 0 0 0 0 1
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 1 0 0 0 0 0 0 0 0 0 0 1
172 Earth Working 0 0 0 1 0 0 0 0 0 0 0 0 1
177 Weighing Scales 0 0 0 0 0 0 0 0 0 1 0 0 1
211 Supports: Racks 0 0 0 0 0 0 0 1 0 0 0 0 1
221 Article Dispensing 0 0 1 0 0 0 0 0 0 0 0 0 1
228 Metal Fusion Bonding 0 0 1 0 0 0 0 0 0 0 0 0 1
236 Automatic Temperature and Humidity Regulation 0 0 0 1 0 0 0 0 0 0 0 0 1
249 Static Molds 0 0 0 0 0 1 0 0 0 0 0 0 1
250 Radiant Energy 0 0 0 1 0 0 0 0 0 0 0 0 1
251 Valves and Valve Actuation 0 0 0 0 1 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 1 0 0 0 1
267 Spring Devices 0 0 1 0 0 0 0 0 0 0 0 0 1
273 Amusement Devices: Games 1 0 0 0 0 0 0 0 0 0 0 0 1
277 Seal for a Joint or Juncture 0 0 0 1 0 0 0 0 0 0 0 0 1
280 Land Vehicles 0 1 0 0 0 0 0 0 0 0 0 0 1
296 Land Vehicles: Bodies and Tops 0 0 0 0 1 0 0 0 0 0 0 0 1
313 Electric Lamp and Discharge Devices 0 0 0 1 0 0 0 0 0 0 0 0 1
323 Electricity: Power Supply or Regulation Systems 0 0 0 0 0 1 0 0 0 0 0 0 1
333 Wave Transmission Lines and Networks 0 0 0 0 0 0 0 0 0 0 0 1 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 0 1 0 0 0 0 0 0 0 1
343 Communications: Radio Wave Antennas 0 0 0 1 0 0 0 0 0 0 0 0 1
359 Optical: Systems and Elements 0 0 0 0 0 0 0 0 0 0 0 1 1
380 Cryptography 0 0 0 0 0 0 0 0 1 0 0 0 1
384 Bearings 0 0 0 0 0 0 0 0 1 0 0 0 1
385 Optical Waveguides 0 0 0 0 0 0 0 0 0 1 0 0 1
403 Joints and Connections 0 0 0 0 0 0 0 0 0 0 1 0 1
414 Material or Article Handling 0 0 0 1 0 0 0 0 0 0 0 0 1
419 Powder Metallurgy Processes 0 1 0 0 0 0 0 0 0 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 1 0 0 0 0 0 0 0 0 1
433 Dentistry 0 1 0 0 0 0 0 0 0 0 0 0 1
446 Amusement Devices: Toys 0 1 0 0 0 0 0 0 0 0 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 0 0 0 0 1 0 0 0 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 0 0 0 0 0 0 0 0 1
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 0 0 0 0 0 0 0 0 0 0 0 1
501 Compositions: Ceramic 0 1 0 0 0 0 0 0 0 0 0 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 1 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 1 0 0 0 0 0 0 0 1
585 Chemistry of Hydrocarbon Compounds 0 0 0 0 0 0 1 0 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 1 0 0 0 0 0 0 0 0 0 0 1
606 Surgery (instruments) 0 0 0 0 1 0 0 0 0 0 0 0 1
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 0 0 0 1 0 0 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 1
711 Memory (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 1
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 1 1
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 65 75 42 58 62 46 64 61 51 69 71 58 722

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