Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2007 - 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

IOWA

( 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 )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed either by year of patent grant or by year of patent application.
Class Class Title 2007 2008 2009 2010 2011 Total
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 152 125 156 136 173 742
435 Chemistry: Molecular Biology and Microbiology 26 21 23 25 25 120
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 25 16 14 35 18 108
532 Organic Compounds (includes Classes 532-570) 15 17 18 15 14 79
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 13 9 27 13 15 77
370 Multiplex Communications 6 11 15 19 20 71
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 14 11 8 15 21 69
455 Telecommunications 7 11 14 18 15 65
056 Harvesters 10 12 8 19 12 61
375 Pulse or Digital Communications 9 9 18 8 9 53
062 Refrigeration 7 7 17 6 14 51
280 Land Vehicles 9 4 6 13 11 43
052 Static Structures (e.g., Buildings) 9 2 5 10 16 42
180 Motor Vehicles 5 3 9 11 14 42
241 Solid Material Comminution or Disintegration 4 5 13 11 8 41
060 Power Plants 7 8 4 6 13 38
172 Earth Working 5 3 7 15 6 36
330 Amplifiers 5 8 8 7 8 36
340 Communications: Electrical 4 5 7 15 5 36
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 6 12 8 3 34
361 Electricity: Electrical Systems and Devices 5 5 3 10 10 33
343 Communications: Radio Wave Antennas 2 7 6 7 10 32
362 Illumination 2 5 7 6 11 31
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 4 3 13 10 31
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 7 7 4 5 6 29
029 Metal Working 3 4 3 11 6 27
296 Land Vehicles: Bodies and Tops 5 5 5 8 4 27
414 Material or Article Handling 2 5 11 4 5 27
073 Measuring and Testing 1 8 3 4 8 24
123 Internal-Combustion Engines 4 2 10 3 4 23
137 Fluid Handling 2 4 4 7 6 23
251 Valves and Valve Actuation 4 2 3 4 10 23
312 Supports: Cabinet Structure 4 5 5 3 6 23
210 Liquid Purification or Separation 3 8 4 5 2 22
198 Conveyors: Power-Driven 2 3 2 5 8 20
345 Computer Graphics Processing and Selective Visual Display Systems 1 1 6 8 4 20
382 Image Analysis 5 3 4 3 5 20
452 Butchering 8 3 5 1 2 19
037 Excavating 4 5 3 3 3 18
111 Planting 4 2 3 4 5 18
292 Closure Fasteners 6 2 3 3 4 18
100 Presses 8 3 2 2 2 17
119 Animal Husbandry 5 4 1 4 3 17
239 Fluid Sprinkling, Spraying, and Diffusing 4 2 2 5 4 17
426 Food or Edible Material: Processes, Compositions, and Products 4 4 1 4 4 17
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 4 4 3 6 17
033 Geometrical Instruments 2 2 3 3 6 16
248 Supports (e.g., for holding articles, etc.) 1 1 5 3 6 16
324 Electricity: Measuring and Testing 3 2 5 2 4 16
379 Telephonic Communications 5 4 2 1 4 16
404 Road Structure, Process, or Apparatus 2 2 2 5 5 16
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 2 1 3 1 9 16
713 Support (Electrical Computers and Digital Processing Systems) 1 1 5 7 2 16
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 5 0 2 6 15
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 2 2 3 3 3 13
128 Surgery (includes Class 600) 0 4 2 4 2 12
405 Hydraulic and Earth Engineering 0 2 3 4 3 12
460 Crop Threshing or Separating 4 2 0 3 3 12
473 Games Using Tangible Projectile 0 4 3 3 2 12
714 Error Detection/Correction and Fault Detection/Recovery 4 1 5 1 1 12
160 Flexible or Portable Closure, Partition, or Panel 4 1 1 4 1 11
290 Prime-Mover Dynamo Plants 0 3 2 2 4 11
380 Cryptography 1 1 4 3 2 11
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 4 1 2 3 11
005 Beds 1 3 2 3 1 10
015 Brushing, Scrubbing, and General Cleaning 3 2 0 4 1 10
175 Boring or Penetrating the Earth 2 1 2 4 1 10
297 Chairs and Seats 0 2 2 3 3 10
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 6 1 0 1 2 10
016 Miscellaneous Hardware 0 1 4 3 1 9
200 Electricity: Circuit Makers and Breakers 1 2 2 2 2 9
204 Chemistry: Electrical and Wave Energy 1 2 2 1 3 9
219 Electric Heating 2 3 2 0 2 9
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 3 1 1 0 4 9
428 Stock Material or Miscellaneous Articles 3 0 1 0 5 9
053 Package Making 2 3 1 1 1 8
074 Machine Element or Mechanism 1 2 0 2 3 8
091 Motors: Expansible Chamber Type 0 2 2 2 2 8
092 Expansible Chamber Devices 2 0 1 5 0 8
220 Receptacles 0 0 0 5 3 8
222 Dispensing (apparatus and process) 1 3 1 1 2 8
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 1 2 3 2 8
398 Optical Communications 1 1 2 1 3 8
436 Chemistry: Analytical and Immunological Testing 1 0 1 5 1 8
439 Electrical Connectors 0 3 0 2 3 8
451 Abrading 3 2 1 1 1 8
602 Surgery: Splint, Brace, or Bandage 3 0 0 1 4 8
034 Drying and Gas or Vapor Contact with Solids 0 0 4 1 2 7
047 Plant Husbandry 0 0 2 0 5 7
181 Acoustics 1 0 3 1 2 7
211 Supports: Racks 2 1 1 1 2 7
305 Wheel Substitutes for Land Vehicles 0 0 2 3 2 7
315 Electric Lamp and Discharge Devices: Systems 1 0 0 3 3 7
356 Optics: Measuring and Testing 2 0 2 2 1 7
381 Electrical Audio Signal Processing Systems and Devices 3 1 1 1 1 7
607 Surgery: Light, Thermal, and Electrical Application 2 0 3 1 1 7
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 4 0 0 2 1 7
036 Boots, Shoes, and Leggings 1 0 0 1 4 6
040 Card, Picture, or Sign Exhibiting 1 1 2 1 1 6
099 Foods and Beverages: Apparatus 2 1 0 2 1 6
144 Woodworking 0 1 1 0 4 6
192 Clutches and Power-Stop Control 0 3 0 3 0 6
209 Classifying, Separating, and Assorting Solids 1 0 2 0 3 6
285 Pipe Joints or Couplings 1 0 0 3 2 6
333 Wave Transmission Lines and Networks 2 1 1 1 1 6
359 Optical: Systems and Elements 2 1 2 0 1 6
417 Pumps 2 1 0 1 2 6
423 Chemistry of Inorganic Compounds 0 0 3 3 0 6
475 Planetary Gear Transmission Systems or Components 1 0 3 0 2 6
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 2 1 1 1 6
726 Information Security 0 0 3 3 0 6
030 Cutlery 3 0 0 2 0 5
043 Fishing, Trapping, and Vermin Destroying 0 2 1 0 2 5
068 Textiles: Fluid Treating Apparatus 0 2 1 0 2 5
072 Metal Deforming 3 2 0 0 0 5
081 Tools 3 1 0 1 0 5
084 Music 1 2 0 1 1 5
124 Mechanical Guns and Projectors 1 2 0 2 0 5
138 Pipes and Tubular Conduits 0 1 0 2 2 5
206 Special Receptacle or Package 0 0 1 1 3 5
252 Compositions 1 1 2 0 1 5
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 0 0 2 2 5
294 Handling: Hand and Hoist-Line Implements 1 0 1 2 1 5
348 Television 0 0 2 1 2 5
385 Optical Waveguides 0 2 2 0 1 5
403 Joints and Connections 0 0 1 2 2 5
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 5 0 5
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 1 0 1 2 5
434 Education and Demonstration 2 1 0 0 2 5
477 Interrelated Power Delivery Controls, Including Engine Control 2 1 0 1 1 5
482 Exercise Devices 1 2 0 2 0 5
717 DP: Software Development, Installation, and Management (Data Processing) 1 0 0 4 0 5
725 Interactive Video Distribution Systems 0 0 2 1 2 5
136 Batteries: Thermoelectric and Photoelectric 0 0 4 0 0 4
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 0 0 1 1 4
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 1 0 1 2 4
174 Electricity: Conductors and Insulators 0 1 0 1 2 4
221 Article Dispensing 0 1 0 2 1 4
242 Winding, Tensioning, or Guiding 1 1 2 0 0 4
250 Radiant Energy 0 1 0 1 2 4
273 Amusement Devices: Games 1 1 0 2 0 4
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 1 2 4
415 Rotary Kinetic Fluid Motors or Pumps 0 0 1 2 1 4
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 2 2 4
002 Apparel 0 0 0 2 1 3
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 1 0 1 1 3
042 Firearms 2 0 1 0 0 3
049 Movable or Removable Closures 0 0 2 1 0 3
055 Gas Separation 0 0 1 1 1 3
095 Gas Separation: Processes 1 1 1 0 0 3
116 Signals and Indicators 0 2 1 0 0 3
134 Cleaning and Liquid Contact with Solids 0 0 0 1 2 3
148 Metal Treatment 1 0 0 1 1 3
150 Purses, Wallets, and Protective Covers 1 0 0 1 1 3
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 0 1 1 0 3
177 Weighing Scales 1 1 1 0 0 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 0 0 1 0 3
232 Deposit and Collection Receptacles 1 1 1 0 0 3
238 Railways: Surface Track 1 1 0 1 0 3
249 Static Molds 2 0 0 1 0 3
310 Electrical Generator or Motor Structure 0 1 1 1 0 3
318 Electricity: Motive Power Systems 0 2 1 0 0 3
326 Electronic Digital Logic Circuitry 2 0 0 1 0 3
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 1 1 3
365 Static Information Storage and Retrieval 1 0 0 1 1 3
366 Agitating (e.g., of articles and materials) 2 0 0 1 0 3
372 Coherent Light Generators 1 0 1 0 1 3
378 X-Ray or Gamma Ray Systems or Devices 0 2 0 1 0 3
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 1 2 3
438 Semiconductor Device Manufacturing: Process 1 0 1 0 1 3
441 Buoys, Rafts, and Aquatic Devices 0 2 0 1 0 3
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 2 1 0 0 3
446 Amusement Devices: Toys 0 2 0 1 0 3
604 Surgery (Medicators and Receptors) 0 0 1 2 0 3
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 1 0 1 3
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 1 2 0 3
004 Baths, Closets, Sinks, and Spittoons 0 1 0 0 1 2
070 Locks 1 1 0 0 0 2
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 0 1 0 2
104 Railways 0 1 0 0 1 2
132 Toilet 1 0 1 0 0 2
182 Fire Escape, Ladder, or Scaffold 1 0 0 1 0 2
184 Lubrication 0 1 0 0 1 2
224 Package and Article Carriers 1 0 0 0 1 2
229 Envelopes, Wrappers, and Paperboard Boxes 1 0 1 0 0 2
244 Aeronautics and Astronautics 0 0 0 0 2 2
246 Railway Switches and Signals 0 1 0 0 1 2
266 Metallurgical Apparatus 0 0 1 0 1 2
298 Land Vehicles: Dumping 0 0 0 0 2 2
303 Fluid-Pressure and Analogous Brake Systems 0 1 1 0 0 2
320 Electricity: Battery or Capacitor Charging or Discharging 1 0 0 1 0 2
323 Electricity: Power Supply or Regulation Systems 0 1 0 0 1 2
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 0 0 1 0 2
331 Oscillators 1 0 1 0 0 2
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 2 2
353 Optics: Image Projectors 0 1 1 0 0 2
358 Facsimile and Static Presentation Processing 0 2 0 0 0 2
384 Bearings 0 1 1 0 0 2
400 Typewriting Machines 0 0 1 0 1 2
401 Coating Implements with Material Supply 1 0 0 0 1 2
410 Freight Accommodation On Freight Carrier 1 1 0 0 0 2
418 Rotary Expansible Chamber Devices 0 1 0 1 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 2 0 0 0 2
427 Coating Processes 0 0 2 0 0 2
454 Ventilation 0 1 0 1 0 2
463 Amusement Devices: Games 0 0 0 0 2 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 1 0 2
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 2 0 0 0 2
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 0 0 1 0 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 2 2
606 Surgery (instruments) 0 0 1 0 1 2
014 Bridges 0 0 0 0 1 1
019 Textiles: Fiber Preparation 0 1 0 0 0 1
024 Buckles, Buttons, Clasps, Etc. 0 0 1 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 1 0 0 1
089 Ordnance 0 1 0 0 0 1
096 Gas Separation: Apparatus 1 0 0 0 0 1
105 Railway Rolling Stock 0 0 0 0 1 1
106 Compositions: Coating or Plastic 0 0 1 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 0 0 1 1
110 Furnaces 0 0 0 1 0 1
114 Ships 1 0 0 0 0 1
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 1 0 0 1
118 Coating Apparatus 0 0 0 1 0 1
125 Stone Working 0 0 0 1 0 1
126 Stoves and Furnaces 0 1 0 0 0 1
135 Tent, Canopy, Umbrella, or Cane 0 0 1 0 0 1
152 Resilient Tires and Wheels 0 0 0 0 1 1
157 Wheelwright Machines 1 0 0 0 0 1
162 Paper Making and Fiber Liberation 0 0 0 0 1 1
165 Heat Exchange 0 1 0 0 0 1
171 Unearthing Plants or Buried Objects 1 0 0 0 0 1
188 Brakes 0 1 0 0 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 0 1 1
261 Gas and Liquid Contact Apparatus 0 0 1 0 0 1
267 Spring Devices 1 0 0 0 0 1
271 Sheet Feeding or Delivering 0 0 0 1 0 1
277 Seal for a Joint or Juncture 0 0 1 0 0 1
279 Chucks or Sockets 0 0 1 0 0 1
289 Knots and Knot Tying 0 1 0 0 0 1
300 Brush, Broom, and Mop Making 0 0 0 1 0 1
313 Electric Lamp and Discharge Devices 0 0 1 0 0 1
341 Coded Data Generation or Conversion 0 0 0 0 1 1
368 Horology: Time Measuring Systems or Devices 0 0 0 0 1 1
386 Motion Video Signal Processing for Recording or Reproducing 1 0 0 0 0 1
396 Photography 0 0 0 1 0 1
409 Gear Cutting, Milling, or Planing 1 0 0 0 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 1 0 1
412 Bookbinding: Process and Apparatus 0 0 0 0 1 1
420 Alloys or Metallic Compositions 0 0 0 1 0 1
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 1 0 1
431 Combustion 0 0 0 0 1 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 0 0 0 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 1 0 1
492 Roll or Roller 0 0 1 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 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 1 0 0 0 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 1 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 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 1 1
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 1 0 0 0 0 1
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 1
ALL ALL CLASSES 601 561 670 763 811 3406


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT materials available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports