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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 2000 - 2004 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

DELAWARE

( 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 2000 2001 2002 2003 2004 Total
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 77 73 55 51 45 301
532 Organic Compounds (includes Classes 532-570) 51 54 46 41 42 234
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 34 28 33 40 38 173
435 Chemistry: Molecular Biology and Microbiology 19 28 19 22 15 103
428 Stock Material or Miscellaneous Articles 18 23 14 11 17 83
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 7 10 22 17 57
451 Abrading 7 9 18 12 10 56
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 6 9 4 7 7 33
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 11 9 4 4 4 32
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 7 6 6 4 5 28
106 Compositions: Coating or Plastic 12 5 4 1 3 25
210 Liquid Purification or Separation 0 6 3 7 5 21
162 Paper Making and Fiber Liberation 3 6 3 4 4 20
427 Coating Processes 6 4 2 4 3 19
252 Compositions 5 1 3 2 7 18
095 Gas Separation: Processes 4 5 4 1 2 16
504 Plant Protecting and Regulating Compositions 2 4 1 4 5 16
604 Surgery (Medicators and Receptors) 5 2 1 2 5 15
083 Cutting 2 3 2 4 3 14
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 4 3 3 3 1 14
438 Semiconductor Device Manufacturing: Process 2 2 2 4 4 14
423 Chemistry of Inorganic Compounds 3 4 2 3 1 13
073 Measuring and Testing 0 1 4 6 1 12
585 Chemistry of Hydrocarbon Compounds 4 3 2 2 1 12
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 1 3 4 3 11
051 Abrasive Tool Making Process, Material, or Composition 0 0 3 3 4 10
119 Animal Husbandry 2 1 4 1 2 10
250 Radiant Energy 1 2 2 1 4 10
204 Chemistry: Electrical and Wave Energy 2 3 3 1 0 9
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 4 4 1 9
382 Image Analysis 2 1 2 3 1 9
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 4 2 0 2 1 9
356 Optics: Measuring and Testing 2 0 0 3 3 8
362 Illumination 1 2 3 1 1 8
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 2 1 0 3 8
436 Chemistry: Analytical and Immunological Testing 4 1 1 1 1 8
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 3 2 1 1 1 8
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 1 3 0 4 8
015 Brushing, Scrubbing, and General Cleaning 1 3 2 1 0 7
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 4 1 1 0 1 7
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 3 1 2 1 7
426 Food or Edible Material: Processes, Compositions, and Products 3 1 2 1 0 7
052 Static Structures (e.g., Buildings) 0 1 1 3 1 6
219 Electric Heating 4 1 1 0 0 6
358 Facsimile and Static Presentation Processing 1 1 2 0 2 6
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 1 0 2 3 6
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 0 0 2 1 6
005 Beds 0 2 0 1 2 5
096 Gas Separation: Apparatus 3 1 1 0 0 5
118 Coating Apparatus 2 0 3 0 0 5
136 Batteries: Thermoelectric and Photoelectric 2 2 1 0 0 5
221 Article Dispensing 1 1 2 1 0 5
242 Winding, Tensioning, or Guiding 3 0 2 0 0 5
366 Agitating (e.g., of articles and materials) 1 1 2 0 1 5
378 X-Ray or Gamma Ray Systems or Devices 1 0 2 1 1 5
379 Telephonic Communications 0 0 1 2 2 5
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 1 1 0 2 5
433 Dentistry 0 1 1 2 1 5
439 Electrical Connectors 1 1 2 1 0 5
473 Games Using Tangible Projectile 2 1 2 0 0 5
713 Support (Electrical Computers and Digital Processing Systems) 0 1 0 3 1 5
002 Apparel 2 1 0 0 1 4
004 Baths, Closets, Sinks, and Spittoons 1 0 1 0 2 4
024 Buckles, Buttons, Clasps, Etc. 1 1 0 0 2 4
047 Plant Husbandry 1 1 1 0 1 4
062 Refrigeration 0 1 0 1 2 4
101 Printing 0 1 1 2 0 4
164 Metal Founding 0 2 0 1 1 4
182 Fire Escape, Ladder, or Scaffold 1 0 2 1 0 4
208 Mineral Oils: Processes and Products 1 0 0 2 1 4
222 Dispensing (apparatus and process) 0 0 1 2 1 4
248 Supports (e.g., for holding articles, etc.) 1 2 1 0 0 4
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1 0 1 1 1 4
313 Electric Lamp and Discharge Devices 2 1 1 0 0 4
324 Electricity: Measuring and Testing 0 0 2 1 1 4
345 Computer Graphics Processing and Selective Visual Display Systems 0 1 0 1 2 4
359 Optics: Systems and Elements 2 0 1 1 0 4
385 Optical Waveguides 2 0 1 0 1 4
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 2 2 0 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 0 2 0 3
029 Metal Working 1 1 1 0 0 3
055 Gas Separation 2 0 0 0 1 3
060 Power Plants 1 2 0 0 0 3
137 Fluid Handling 2 0 0 0 1 3
165 Heat Exchange 1 2 0 0 0 3
203 Distillation: Processes, Separatory 1 0 1 1 0 3
206 Special Receptacle or Package 2 0 1 0 0 3
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 1 1 1 3
280 Land Vehicles 0 0 2 0 1 3
285 Pipe Joints or Couplings 3 0 0 0 0 3
294 Handling: Hand and Hoist-Line Implements 1 0 1 1 0 3
347 Incremental Printing of Symbolic Information 0 0 1 0 2 3
463 Amusement Devices: Games 0 0 1 0 2 3
505 Superconductor Technology: Apparatus, Material, Process 1 0 1 0 1 3
028 Textiles: Manufacturing 2 0 0 0 0 2
036 Boots, Shoes, and Leggings 0 0 0 1 1 2
043 Fishing, Trapping, and Vermin Destroying 0 0 0 0 2 2
053 Package Making 2 0 0 0 0 2
056 Harvesters 0 1 0 1 0 2
089 Ordnance 0 0 0 0 2 2
099 Foods and Beverages: Apparatus 0 1 0 1 0 2
108 Horizontally Supported Planar Surfaces 0 1 0 0 1 2
128 Surgery (includes Class 600) 0 1 0 0 1 2
174 Electricity: Conductors and Insulators 0 2 0 0 0 2
209 Classifying, Separating, and Assorting Solids 0 0 0 2 0 2
216 Etching a Substrate: Processes 0 0 1 0 1 2
220 Receptacles 1 0 1 0 0 2
225 Severing by Tearing or Breaking 0 0 1 0 1 2
229 Envelopes, Wrappers, and Paperboard Boxes 2 0 0 0 0 2
244 Aeronautics 1 1 0 0 0 2
251 Valves and Valve Actuation 1 0 1 0 0 2
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 0 1 0 0 2
261 Gas and Liquid Contact Apparatus 0 0 1 0 1 2
292 Closure Fasteners 2 0 0 0 0 2
296 Land Vehicles: Bodies and Tops 0 0 2 0 0 2
340 Communications: Electrical 0 1 1 0 0 2
341 Coded Data Generation or Conversion 0 0 2 0 0 2
349 Liquid Crystal Cells, Elements and Systems 0 1 1 0 0 2
374 Thermal Measuring and Testing 1 0 1 0 0 2
417 Pumps 0 0 0 2 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 0 2 2
434 Education and Demonstration 0 0 0 0 2 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 0 1 0 2
482 Exercise Devices 0 0 1 0 1 2
606 Surgery (instruments) 0 1 0 0 1 2
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 1 0 0 0 2
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 1 1
040 Card, Picture, or Sign Exhibiting 0 1 0 0 0 1
044 Fuel and Related Compositions 0 0 0 0 1 1
049 Movable or Removable Closures 1 0 0 0 0 1
072 Metal Deforming 0 1 0 0 0 1
074 Machine Element or Mechanism 0 1 0 0 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 1 0 0 1
104 Railways 0 0 0 1 0 1
112 Sewing 0 1 0 0 0 1
114 Ships 0 0 0 1 0 1
123 Internal-Combustion Engines 0 1 0 0 0 1
132 Toilet 0 0 0 1 0 1
138 Pipes and Tubular Conduits 0 0 1 0 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 0 1 1
160 Flexible or Portable Closure, Partition, or Panel 0 1 0 0 0 1
184 Lubrication 1 0 0 0 0 1
194 Check-Actuated Control Mechanisms 0 0 0 1 0 1
211 Supports: Racks 0 0 1 0 0 1
215 Bottles and Jars 0 0 0 1 0 1
224 Package and Article Carriers 0 1 0 0 0 1
226 Advancing Material of Indeterminate Length 0 1 0 0 0 1
228 Metal Fusion Bonding 1 0 0 0 0 1
246 Railway Switches and Signals 1 0 0 0 0 1
269 Work Holders 0 1 0 0 0 1
277 Seal for a Joint or Juncture 0 1 0 0 0 1
290 Prime-Mover Dynamo Plants 0 0 0 0 1 1
297 Chairs and Seats 0 0 0 0 1 1
315 Electric Lamp and Discharge Devices: Systems 1 0 0 0 0 1
318 Electricity: Motive Power Systems 0 0 1 0 0 1
332 Modulators 0 1 0 0 0 1
333 Wave Transmission Lines and Networks 0 0 0 1 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 0 0 1
361 Electricity: Electrical Systems and Devices 0 0 1 0 0 1
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 0 0 0 0 1
375 Pulse or Digital Communications 0 0 1 0 0 1
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 1 0 0 0 1
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 1 0 1
383 Flexible Bags 0 0 1 0 0 1
384 Bearings 0 0 0 1 0 1
414 Material or Article Handling 0 0 0 1 0 1
415 Rotary Kinetic Fluid Motors or Pumps 0 0 1 0 0 1
432 Heating 1 0 0 0 0 1
440 Marine Propulsion 0 0 0 0 1 1
446 Amusement Devices: Toys 1 0 0 0 0 1
452 Butchering 0 0 0 1 0 1
455 Telecommunications 0 0 0 0 1 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 0 1
501 Compositions: Ceramic 1 0 0 0 0 1
601 Surgery: Kinesitherapy 0 0 0 0 1 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 1 0 0 1
706 DP: Artificial Intelligence (Data Processing) 0 0 1 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 1 0 0 0 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 1
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 1 0 0 0 1
ALL ALL CLASSES 395 380 354 346 342 1817


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