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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

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

Count of 2001 - 2005 Utility Patent Grants,
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 the patent- see 'Explanation of Data' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 2001 2002 2003 2004 2005 Total
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 121 46 76 96 77 416
435 Chemistry: Molecular Biology and Microbiology 25 20 21 19 16 101
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 21 20 19 16 12 88
056 Harvesters 14 10 17 10 20 71
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 16 16 14 8 8 62
052 Static Structures (e.g., Buildings) 14 12 10 11 11 58
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 13 11 9 15 10 58
172 Earth Working 13 8 8 13 11 53
280 Land Vehicles 16 10 6 8 8 48
361 Electricity: Electrical Systems and Devices 6 15 12 8 5 46
532 Organic Compounds (includes Classes 532-570) 6 11 12 8 6 43
426 Food or Edible Material: Processes, Compositions, and Products 6 7 10 10 6 39
345 Computer Graphics Processing and Selective Visual Display Systems 8 9 8 7 6 38
180 Motor Vehicles 4 13 9 2 8 36
702 DP: Measuring, Calibrating, or Testing (Data Processing) 4 7 10 7 7 35
062 Refrigeration 7 4 7 13 2 33
175 Boring or Penetrating the Earth 5 11 8 6 2 32
137 Fluid Handling 12 5 3 8 3 31
414 Material or Article Handling 10 5 5 5 5 30
128 Surgery (includes Class 600) 6 8 4 5 6 29
296 Land Vehicles: Bodies and Tops 9 5 4 8 3 29
060 Power Plants 4 8 7 3 6 28
111 Planting 7 4 8 6 3 28
340 Communications: Electrical 9 5 2 6 6 28
073 Measuring and Testing 8 3 7 6 3 27
248 Supports (e.g., for holding articles, etc.) 10 5 7 2 3 27
370 Multiplex Communications 2 9 5 5 6 27
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 6 4 12 3 1 26
210 Liquid Purification or Separation 3 9 4 6 4 26
452 Butchering 7 1 11 2 5 26
241 Solid Material Comminution or Disintegration 4 10 4 0 7 25
379 Telephonic Communications 5 10 3 5 2 25
119 Animal Husbandry 8 4 3 4 4 23
362 Illumination 6 7 0 5 5 23
455 Telecommunications 3 3 5 9 3 23
343 Communications: Radio Wave Antennas 5 3 5 4 5 22
029 Metal Working 4 2 5 3 7 21
297 Chairs and Seats 3 0 2 6 10 21
324 Electricity: Measuring and Testing 6 4 3 4 4 21
239 Fluid Sprinkling, Spraying, and Diffusing 0 1 3 7 9 20
375 Pulse or Digital Communications 3 3 2 6 6 20
092 Expansible Chamber Devices 7 2 2 7 1 19
460 Crop Threshing or Separating 7 1 2 2 6 18
700 DP: Generic Control Systems or Specific Applications (Data Processing) 4 4 3 5 2 18
037 Excavating 1 3 2 6 5 17
081 Tools 2 2 5 4 4 17
114 Ships 0 2 2 8 5 17
160 Flexible or Portable Closure, Partition, or Panel 2 1 4 7 3 17
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 2 2 5 4 17
219 Electric Heating 3 2 3 6 2 16
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 4 1 2 6 3 16
312 Supports: Cabinet Structure 1 3 0 3 9 16
341 Coded Data Generation or Conversion 4 5 3 3 1 16
403 Joints and Connections 4 2 3 1 6 16
473 Games Using Tangible Projectile 6 6 1 3 0 16
482 Exercise Devices 5 7 3 0 1 16
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 5 2 1 3 5 16
123 Internal-Combustion Engines 5 3 2 1 4 15
251 Valves and Valve Actuation 0 0 1 4 10 15
707 DP: Database and File Management or Data Structures (Data Processing) 0 5 3 3 4 15
330 Amplifiers 2 2 1 6 3 14
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 7 0 2 4 14
034 Drying and Gas or Vapor Contact with Solids 3 3 1 2 4 13
053 Package Making 0 0 9 2 2 13
070 Locks 4 2 4 3 0 13
381 Electrical Audio Signal Processing Systems and Devices 0 1 2 5 5 13
428 Stock Material or Miscellaneous Articles 6 1 2 4 0 13
434 Education and Demonstration 6 1 2 1 3 13
068 Textiles: Fluid Treating Apparatus 3 3 2 2 2 12
074 Machine Element or Mechanism 4 1 1 5 1 12
292 Closure Fasteners 1 3 2 4 2 12
331 Oscillators 0 3 4 2 3 12
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 3 3 3 3 12
043 Fishing, Trapping, and Vermin Destroying 5 0 4 2 0 11
174 Electricity: Conductors and Insulators 3 2 3 2 1 11
206 Special Receptacle or Package 4 1 4 1 1 11
250 Radiant Energy 3 2 4 1 1 11
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 1 2 4 2 11
439 Electrical Connectors 2 4 2 2 1 11
446 Amusement Devices: Toys 4 0 3 3 1 11
454 Ventilation 2 1 2 2 4 11
005 Beds 1 1 3 3 2 10
016 Miscellaneous Hardware 0 4 3 1 2 10
033 Geometrical Instruments 4 1 1 3 1 10
042 Firearms 3 2 2 2 1 10
049 Movable or Removable Closures 4 3 0 1 2 10
091 Motors: Expansible Chamber Type 6 1 2 1 0 10
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 0 5 2 2 10
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 3 1 3 2 1 10
200 Electricity: Circuit Makers and Breakers 3 2 3 1 1 10
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 2 6 2 0 0 10
356 Optics: Measuring and Testing 1 3 3 3 0 10
405 Hydraulic and Earth Engineering 4 1 3 1 1 10
417 Pumps 4 1 2 3 0 10
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 2 1 5 2 0 10
002 Apparel 1 1 3 1 3 9
047 Plant Husbandry 7 1 1 0 0 9
198 Conveyors: Power-Driven 0 5 1 1 2 9
204 Chemistry: Electrical and Wave Energy 1 3 0 2 3 9
221 Article Dispensing 4 2 1 1 1 9
318 Electricity: Motive Power Systems 3 1 1 2 2 9
326 Electronic Digital Logic Circuitry 0 1 2 3 3 9
604 Surgery (Medicators and Receptors) 5 2 0 2 0 9
095 Gas Separation: Processes 0 3 2 3 0 8
108 Horizontally Supported Planar Surfaces 1 1 1 2 3 8
249 Static Molds 1 0 3 3 1 8
348 Television 2 5 0 0 1 8
349 Liquid Crystal Cells, Elements and Systems 2 2 1 2 1 8
415 Rotary Kinetic Fluid Motors or Pumps 1 1 2 2 2 8
451 Abrading 5 0 2 0 1 8
475 Planetary Gear Transmission Systems or Components 1 3 1 3 0 8
607 Surgery: Light, Thermal, and Electrical Application 2 4 2 0 0 8
004 Baths, Closets, Sinks, and Spittoons 1 3 1 1 1 7
211 Supports: Racks 2 2 1 1 1 7
273 Amusement Devices: Games 2 2 1 1 1 7
305 Wheel Substitutes for Land Vehicles 2 0 2 0 3 7
418 Rotary Expansible Chamber Devices 1 1 2 1 2 7
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 3 1 2 0 7
440 Marine Propulsion 1 1 1 3 1 7
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 0 4 0 2 7
606 Surgery (instruments) 2 3 1 1 0 7
015 Brushing, Scrubbing, and General Cleaning 0 2 2 2 0 6
072 Metal Deforming 1 2 0 1 2 6
100 Presses 0 0 2 4 0 6
118 Coating Apparatus 0 0 3 3 0 6
148 Metal Treatment 4 0 1 1 0 6
164 Metal Founding 0 3 3 0 0 6
165 Heat Exchange 0 0 4 1 1 6
184 Lubrication 1 2 2 0 1 6
209 Classifying, Separating, and Assorting Solids 1 3 0 1 1 6
244 Aeronautics and Astronautics 0 1 4 0 1 6
277 Seal for a Joint or Juncture 1 1 2 1 1 6
294 Handling: Hand and Hoist-Line Implements 1 2 1 0 2 6
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 1 1 1 3 6
359 Optics: Systems and Elements 1 2 1 1 1 6
382 Image Analysis 0 3 2 0 1 6
410 Freight Accommodation On Freight Carrier 1 2 1 0 2 6
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 0 2 1 1 6
427 Coating Processes 2 0 2 1 1 6
438 Semiconductor Device Manufacturing: Process 1 2 2 0 1 6
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 1 1 1 0 6
713 Support (Electrical Computers and Digital Processing Systems) 2 1 0 1 2 6
040 Card, Picture, or Sign Exhibiting 0 1 1 1 2 5
101 Printing 0 3 1 1 0 5
106 Compositions: Coating or Plastic 1 2 0 1 1 5
134 Cleaning and Liquid Contact with Solids 3 0 1 1 0 5
162 Paper Making and Fiber Liberation 0 2 2 1 0 5
182 Fire Escape, Ladder, or Scaffold 2 1 0 2 0 5
220 Receptacles 1 2 2 0 0 5
229 Envelopes, Wrappers, and Paperboard Boxes 1 2 0 1 1 5
252 Compositions 0 1 2 1 1 5
269 Work Holders 0 3 2 0 0 5
310 Electrical Generator or Motor Structure 0 1 3 1 0 5
313 Electric Lamp and Discharge Devices 1 1 2 1 0 5
365 Static Information Storage and Retrieval 1 1 1 2 0 5
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 1 0 0 2 5
433 Dentistry 2 1 2 0 0 5
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 2 2 0 1 5
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 1 1 2 5
711 Memory (Electrical Computers and Digital Processing Systems) 1 0 2 2 0 5
714 Error Detection/Correction and Fault Detection/Recovery 0 0 2 2 1 5
717 DP: Software Development, Installation, and Management (Data Processing) 2 2 0 0 1 5
725 Interactive Video Distribution Systems 1 1 1 2 0 5
099 Foods and Beverages: Apparatus 2 2 0 0 0 4
144 Woodworking 0 0 1 3 0 4
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 2 1 1 4
256 Fences 0 2 1 1 0 4
298 Land Vehicles: Dumping 1 1 0 0 2 4
303 Fluid-Pressure and Analogous Brake Systems 2 1 1 0 0 4
320 Electricity: Battery or Capacitor Charging or Discharging 4 0 0 0 0 4
353 Optics: Image Projectors 0 1 3 0 0 4
363 Electric Power Conversion Systems 1 0 2 1 0 4
404 Road Structure, Process, or Apparatus 0 1 2 0 1 4
408 Cutting by Use of Rotating Axially Moving Tool 0 3 0 1 0 4
423 Chemistry of Inorganic Compounds 3 0 0 1 0 4
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 2 2 0 4
436 Chemistry: Analytical and Immunological Testing 1 0 2 1 0 4
463 Amusement Devices: Games 1 0 1 0 2 4
477 Interrelated Power Delivery Controls, Including Engine Control 1 0 3 0 0 4
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 3 0 0 1 0 4
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 1 0 1 0 4
602 Surgery: Splint, Brace, or Bandage 1 2 0 0 1 4
036 Boots, Shoes, and Leggings 1 2 0 0 0 3
044 Fuel and Related Compositions 0 0 2 1 0 3
083 Cutting 0 0 1 1 1 3
126 Stoves and Furnaces 0 0 2 1 0 3
127 Sugar, Starch, and Carbohydrates 2 1 0 0 0 3
132 Toilet 1 1 0 1 0 3
157 Wheelwright Machines 2 0 0 1 0 3
177 Weighing Scales 1 1 0 1 0 3
188 Brakes 1 0 0 1 1 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 1 0 0 1 3
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 1 2 0 0 3
224 Package and Article Carriers 3 0 0 0 0 3
228 Metal Fusion Bonding 0 1 0 0 2 3
236 Automatic Temperature and Humidity Regulation 0 2 1 0 0 3
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 1 1 1 3
267 Spring Devices 0 2 1 0 0 3
285 Pipe Joints or Couplings 0 0 1 2 0 3
300 Brush, Broom, and Mop Making 0 3 0 0 0 3
301 Land Vehicles: Wheels and Axles 2 0 1 0 0 3
307 Electrical Transmission or Interconnection Systems 1 1 1 0 0 3
366 Agitating (e.g., of articles and materials) 0 0 1 1 1 3
378 X-Ray or Gamma Ray Systems or Devices 0 0 1 0 2 3
384 Bearings 0 0 2 0 1 3
401 Coating Implements with Material Supply 2 1 0 0 0 3
409 Gear Cutting, Milling, or Planing 2 1 0 0 0 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 1 0 1 3
501 Compositions: Ceramic 2 1 0 0 0 3
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 2 0 0 1 3
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 1 1 0 1 3
024 Buckles, Buttons, Clasps, Etc. 0 1 0 0 1 2
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 1 1 2
055 Gas Separation 0 0 1 1 0 2
150 Purses, Wallets, and Protective Covers 1 0 0 1 0 2
181 Acoustics 0 1 1 0 0 2
192 Clutches and Power-Stop Control 0 0 1 1 0 2
215 Bottles and Jars 1 0 1 0 0 2
222 Dispensing (apparatus and process) 1 1 0 0 0 2
226 Advancing Material of Indeterminate Length 1 1 0 0 0 2
237 Heating Systems 1 0 0 1 0 2
242 Winding, Tensioning, or Guiding 0 1 0 0 1 2
290 Prime-Mover Dynamo Plants 1 0 0 1 0 2
315 Electric Lamp and Discharge Devices: Systems 0 1 0 1 0 2
323 Electricity: Power Supply or Regulation Systems 1 0 0 0 1 2
333 Wave Transmission Lines and Networks 2 0 0 0 0 2
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 1 0 2
358 Facsimile and Static Presentation Processing 0 0 2 0 0 2
386 Television Signal Processing for Dynamic Recording or Reproducing 0 1 1 0 0 2
406 Conveyors: Fluid Current 2 0 0 0 0 2
431 Combustion 0 0 0 1 1 2
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 1 1 0 2
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 1 0 0 0 2
014 Bridges 0 0 1 0 0 1
027 Undertaking 0 0 0 0 1 1
030 Cutlery 0 0 1 0 0 1
071 Chemistry: Fertilizers 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 0 1 0 0 1
084 Music 0 1 0 0 0 1
096 Gas Separation: Apparatus 0 1 0 0 0 1
102 Ammunition and Explosives 0 0 0 1 0 1
105 Railway Rolling Stock 1 0 0 0 0 1
110 Furnaces 1 0 0 0 0 1
112 Sewing 0 1 0 0 0 1
122 Liquid Heaters and Vaporizers 0 0 0 0 1 1
124 Mechanical Guns and Projectors 0 1 0 0 0 1
131 Tobacco 0 0 0 0 1 1
135 Tent, Canopy, Umbrella, or Cane 0 0 0 1 0 1
138 Pipes and Tubular Conduits 0 0 0 1 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 0 0 0 0 1
171 Unearthing Plants or Buried Objects 0 0 0 1 0 1
173 Tool Driving or Impacting 0 1 0 0 0 1
178 Telegraphy 0 0 1 0 0 1
190 Trunks and Hand-Carried Luggage 1 0 0 0 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 0 1
194 Check-Actuated Control Mechanisms 0 0 0 1 0 1
212 Traversing Hoists 0 0 0 1 0 1
223 Apparel Apparatus 1 0 0 0 0 1
225 Severing by Tearing or Breaking 0 0 0 1 0 1
232 Deposit and Collection Receptacles 0 0 0 1 0 1
246 Railway Switches and Signals 0 1 0 0 0 1
266 Metallurgical Apparatus 0 1 0 0 0 1
279 Chucks or Sockets 0 1 0 0 0 1
289 Knots and Knot Tying 0 0 0 0 1 1
299 Mining or In Situ Disintegration of Hard Material 1 0 0 0 0 1
383 Flexible Bags 0 0 1 0 0 1
385 Optical Waveguides 0 0 0 1 0 1
398 Optical Communications 0 0 1 0 0 1
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 0 0 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 1 0 0 1
419 Powder Metallurgy Processes 1 0 0 0 0 1
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 1 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 0 1 0 1
462 Books, Strips, and Leaves for Manifolding 0 1 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 1 0 0 1
492 Roll or Roller 1 0 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 0 0 0 1 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 1 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 1 0 0 0 0 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 1 0 0 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 1 0 0 0 1
720 Dynamic Optical Information Storage or Retrieval 0 0 0 1 0 1
ALL ALL CLASSES 751 630 665 658 560 3264


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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