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

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

Count of 2006 - 2010 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

DELAWARE

( 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 2006 2007 2008 2009 2010 Total
532 Organic Compounds (includes Classes 532-570) 44 36 41 35 35 191
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 40 22 27 38 32 159
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 37 25 32 22 35 151
435 Chemistry: Molecular Biology and Microbiology 27 28 17 21 22 115
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 23 27 15 17 14 96
428 Stock Material or Miscellaneous Articles 15 18 17 16 23 89
252 Compositions 7 9 14 14 25 69
106 Compositions: Coating or Plastic 7 4 13 6 5 35
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 2 7 7 8 11 35
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 5 8 9 6 4 32
451 Abrading 10 4 5 5 3 27
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 3 6 6 4 23
324 Electricity: Measuring and Testing 6 8 4 1 1 20
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 6 6 2 2 3 19
356 Optics: Measuring and Testing 2 6 2 4 4 18
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 3 4 4 3 4 18
438 Semiconductor Device Manufacturing: Process 5 6 5 0 2 18
250 Radiant Energy 2 3 5 2 5 17
423 Chemistry of Inorganic Compounds 2 3 3 4 5 17
427 Coating Processes 0 3 2 5 7 17
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 4 0 3 9 17
436 Chemistry: Analytical and Immunological Testing 2 5 2 3 3 15
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 1 1 13 15
210 Liquid Purification or Separation 4 1 3 3 3 14
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 3 2 3 4 2 14
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 3 4 2 0 4 13
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 2 4 0 3 12
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 4 2 2 2 2 12
073 Measuring and Testing 2 1 3 3 2 11
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 2 2 2 3 11
119 Animal Husbandry 4 3 2 1 0 10
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 1 1 4 3 10
482 Exercise Devices 0 1 1 5 3 10
137 Fluid Handling 1 0 2 4 1 8
095 Gas Separation: Processes 3 0 3 0 1 7
358 Facsimile and Static Presentation Processing 1 2 0 1 3 7
702 DP: Measuring, Calibrating, or Testing (Data Processing) 2 1 2 2 0 7
083 Cutting 0 2 0 2 2 6
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 1 3 2 6
313 Electric Lamp and Discharge Devices 2 1 2 0 1 6
340 Communications: Electrical 2 0 1 2 1 6
359 Optical: Systems and Elements 0 1 0 2 3 6
426 Food or Edible Material: Processes, Compositions, and Products 1 2 2 0 1 6
585 Chemistry of Hydrocarbon Compounds 1 2 1 1 1 6
604 Surgery (Medicators and Receptors) 1 1 1 0 3 6
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 1 2 3 0 6
052 Static Structures (e.g., Buildings) 1 0 2 0 2 5
204 Chemistry: Electrical and Wave Energy 2 0 2 1 0 5
347 Incremental Printing of Symbolic Information 0 1 0 2 2 5
362 Illumination 0 1 2 2 0 5
002 Apparel 1 0 1 0 2 4
005 Beds 2 0 0 1 1 4
057 Textiles: Spinning, Twisting, and Twining 1 3 0 0 0 4
062 Refrigeration 2 1 0 0 1 4
089 Ordnance 1 2 0 0 1 4
096 Gas Separation: Apparatus 0 0 3 1 0 4
099 Foods and Beverages: Apparatus 1 0 2 1 0 4
219 Electric Heating 1 2 0 0 1 4
280 Land Vehicles 2 1 0 1 0 4
333 Wave Transmission Lines and Networks 0 1 2 1 0 4
385 Optical Waveguides 1 2 1 0 0 4
501 Compositions: Ceramic 3 0 1 0 0 4
504 Plant Protecting and Regulating Compositions 3 1 0 0 0 4
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 1 1 1 1 4
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 1 0 0 2 4
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 1 0 1 1 1 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 1 0 0 1 3
053 Package Making 0 0 1 2 0 3
055 Gas Separation 0 0 0 2 1 3
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 0 1 0 2 3
128 Surgery (includes Class 600) 2 0 0 0 1 3
162 Paper Making and Fiber Liberation 0 3 0 0 0 3
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 3 3
244 Aeronautics and Astronautics 0 0 1 0 2 3
292 Closure Fasteners 0 2 0 0 1 3
382 Image Analysis 0 0 0 3 0 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 2 1 0 0 3
439 Electrical Connectors 2 0 0 0 1 3
473 Games Using Tangible Projectile 2 0 0 1 0 3
606 Surgery (instruments) 0 0 1 2 0 3
004 Baths, Closets, Sinks, and Spittoons 1 1 0 0 0 2
015 Brushing, Scrubbing, and General Cleaning 0 0 1 0 1 2
019 Textiles: Fiber Preparation 0 0 1 1 0 2
029 Metal Working 0 1 1 0 0 2
033 Geometrical Instruments 0 1 0 1 0 2
040 Card, Picture, or Sign Exhibiting 0 0 0 1 1 2
043 Fishing, Trapping, and Vermin Destroying 0 0 0 1 1 2
047 Plant Husbandry 1 0 0 0 1 2
051 Abrasive Tool Making Process, Material, or Composition 0 1 0 1 0 2
070 Locks 1 1 0 0 0 2
081 Tools 1 0 0 0 1 2
118 Coating Apparatus 2 0 0 0 0 2
132 Toilet 0 0 0 1 1 2
134 Cleaning and Liquid Contact with Solids 0 1 0 1 0 2
136 Batteries: Thermoelectric and Photoelectric 0 0 1 1 0 2
139 Textiles: Weaving 1 1 0 0 0 2
164 Metal Founding 2 0 0 0 0 2
169 Fire Extinguishers 0 0 1 0 1 2
174 Electricity: Conductors and Insulators 1 0 0 0 1 2
203 Distillation: Processes, Separatory 0 0 1 0 1 2
206 Special Receptacle or Package 0 1 0 0 1 2
220 Receptacles 0 0 1 0 1 2
239 Fluid Sprinkling, Spraying, and Diffusing 1 1 0 0 0 2
248 Supports (e.g., for holding articles, etc.) 0 0 1 0 1 2
273 Amusement Devices: Games 1 1 0 0 0 2
297 Chairs and Seats 0 0 0 1 1 2
301 Land Vehicles: Wheels and Axles 1 1 0 0 0 2
315 Electric Lamp and Discharge Devices: Systems 0 0 1 0 1 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 0 0 0 1 2
345 Computer Graphics Processing and Selective Visual Display Systems 1 0 0 1 0 2
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 1 0 0 2
361 Electricity: Electrical Systems and Devices 0 0 2 0 0 2
370 Multiplex Communications 0 1 1 0 0 2
372 Coherent Light Generators 0 1 1 0 0 2
375 Pulse or Digital Communications 1 0 0 1 0 2
379 Telephonic Communications 0 0 0 1 1 2
414 Material or Article Handling 0 2 0 0 0 2
433 Dentistry 0 0 1 1 0 2
434 Education and Demonstration 0 2 0 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 0 0 0 1 2
602 Surgery: Splint, Brace, or Bandage 1 0 1 0 0 2
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 1 1 0 2
706 DP: Artificial Intelligence (Data Processing) 1 0 0 1 0 2
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 1 0 1 2
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 2 0 0 2
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1 0 0 0 1 2
713 Support (Electrical Computers and Digital Processing Systems) 0 0 1 0 1 2
726 Information Security 0 2 0 0 0 2
016 Miscellaneous Hardware 0 0 0 1 0 1
024 Buckles, Buttons, Clasps, Etc. 0 0 0 0 1 1
028 Textiles: Manufacturing 1 0 0 0 0 1
030 Cutlery 0 0 0 0 1 1
042 Firearms 1 0 0 0 0 1
044 Fuel and Related Compositions 0 1 0 0 0 1
056 Harvesters 0 1 0 0 0 1
059 Chain, Staple, and Horseshoe Making 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 1 0 0 0 1
084 Music 0 0 0 1 0 1
100 Presses 0 0 1 0 0 1
101 Printing 0 1 0 0 0 1
102 Ammunition and Explosives 0 0 1 0 0 1
105 Railway Rolling Stock 0 1 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 0 1 0 1
112 Sewing 0 0 0 0 1 1
127 Sugar, Starch, and Carbohydrates 0 0 0 0 1 1
138 Pipes and Tubular Conduits 1 0 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 1 0 1
165 Heat Exchange 1 0 0 0 0 1
182 Fire Escape, Ladder, or Scaffold 0 0 0 0 1 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 1 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 1 0 0 0 1
208 Mineral Oils: Processes and Products 0 0 1 0 0 1
209 Classifying, Separating, and Assorting Solids 0 0 1 0 0 1
213 Railway Draft Appliances 0 0 0 0 1 1
216 Etching a Substrate: Processes 0 1 0 0 0 1
222 Dispensing (apparatus and process) 0 1 0 0 0 1
236 Automatic Temperature and Humidity Regulation 1 0 0 0 0 1
241 Solid Material Comminution or Disintegration 1 0 0 0 0 1
242 Winding, Tensioning, or Guiding 0 1 0 0 0 1
271 Sheet Feeding or Delivering 0 1 0 0 0 1
294 Handling: Hand and Hoist-Line Implements 0 0 1 0 0 1
312 Supports: Cabinet Structure 1 0 0 0 0 1
338 Electrical Resistors 0 0 0 1 0 1
341 Coded Data Generation or Conversion 0 0 0 0 1 1
366 Agitating (e.g., of articles and materials) 0 1 0 0 0 1
368 Horology: Time Measuring Systems or Devices 1 0 0 0 0 1
374 Thermal Measuring and Testing 1 0 0 0 0 1
383 Flexible Bags 0 1 0 0 0 1
384 Bearings 1 0 0 0 0 1
392 Electric Resistance Heating Devices 1 0 0 0 0 1
396 Photography 1 0 0 0 0 1
410 Freight Accommodation On Freight Carrier 0 0 0 1 0 1
415 Rotary Kinetic Fluid Motors or Pumps 1 0 0 0 0 1
417 Pumps 1 0 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 1 0 1
446 Amusement Devices: Toys 1 0 0 0 0 1
474 Endless Belt Power Transmission Systems or Components 0 1 0 0 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 0 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 1 0 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
714 Error Detection/Correction and Fault Detection/Recovery 0 0 1 0 0 1
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 1 0 0 1
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 0 1 0 1
ALL ALL CLASSES 357 330 325 311 367 1690


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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 files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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