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

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

Count of 2004 - 2008 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

CONNECTICUT

( 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 2004 2005 2006 2007 2008 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 144 171 165 139 113 732
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 27 63 59 60 70 279
532 Organic Compounds (includes Classes 532-570) 53 47 59 58 46 263
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 45 43 47 28 22 185
073 Measuring and Testing 20 24 45 34 36 159
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 40 28 31 25 21 145
435 Chemistry: Molecular Biology and Microbiology 35 28 35 26 18 142
356 Optics: Measuring and Testing 25 20 29 31 26 131
359 Optical: Systems and Elements 18 19 36 20 25 118
250 Radiant Energy 20 22 24 27 20 113
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 16 26 20 18 26 106
438 Semiconductor Device Manufacturing: Process 20 24 15 22 24 105
702 DP: Measuring, Calibrating, or Testing (Data Processing) 16 20 26 12 25 99
060 Power Plants 15 17 28 14 21 95
416 Fluid Reaction Surfaces (i.e., Impellers) 9 20 25 20 19 93
340 Communications: Electrical 17 18 25 15 15 90
439 Electrical Connectors 18 27 16 19 10 90
128 Surgery (includes Class 600) 20 11 21 17 17 86
210 Liquid Purification or Separation 22 21 16 18 9 86
428 Stock Material or Miscellaneous Articles 22 23 15 13 10 83
355 Photocopying 11 20 19 17 13 80
385 Optical Waveguides 16 16 15 12 19 78
606 Surgery (instruments) 12 18 18 18 12 78
463 Amusement Devices: Games 14 15 15 15 17 76
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 8 8 17 16 25 74
700 DP: Generic Control Systems or Specific Applications (Data Processing) 24 8 14 11 13 70
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 11 13 14 18 9 65
174 Electricity: Conductors and Insulators 9 9 19 12 15 64
415 Rotary Kinetic Fluid Motors or Pumps 5 11 24 10 14 64
707 DP: Database and File Management or Data Structures (Data Processing) 16 8 16 9 14 63
227 Elongated-Member-Driving Apparatus 5 5 11 21 15 57
029 Metal Working 12 10 14 9 10 55
062 Refrigeration 14 7 11 12 10 54
324 Electricity: Measuring and Testing 10 16 5 16 5 52
030 Cutlery 11 8 15 9 8 51
222 Dispensing (apparatus and process) 14 14 14 5 4 51
361 Electricity: Electrical Systems and Devices 15 7 12 9 6 49
362 Illumination 10 9 10 12 7 48
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 11 12 5 10 9 47
053 Package Making 8 7 11 11 7 44
379 Telephonic Communications 17 7 8 8 3 43
427 Coating Processes 9 7 6 10 11 43
604 Surgery (Medicators and Receptors) 10 8 13 4 8 43
123 Internal-Combustion Engines 8 13 7 8 6 42
137 Fluid Handling 7 13 9 7 6 42
033 Geometrical Instruments 6 9 9 10 7 41
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 13 12 5 3 5 38
219 Electric Heating 9 6 8 8 7 38
382 Image Analysis 7 5 9 7 10 38
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 11 4 6 8 9 38
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 3 11 11 9 3 37
271 Sheet Feeding or Delivering 18 7 4 2 6 37
433 Dentistry 6 8 6 13 4 37
095 Gas Separation: Processes 6 3 6 8 13 36
206 Special Receptacle or Package 10 7 7 7 5 36
345 Computer Graphics Processing and Selective Visual Display Systems 5 5 6 7 11 34
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 7 5 10 7 5 34
713 Support (Electrical Computers and Digital Processing Systems) 13 7 3 3 7 33
164 Metal Founding 0 4 4 18 5 31
370 Multiplex Communications 7 6 7 5 6 31
244 Aeronautics and Astronautics 8 7 4 7 4 30
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 9 10 5 4 2 30
372 Coherent Light Generators 8 6 9 2 4 29
065 Glass Manufacturing 18 3 3 0 4 28
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 5 4 6 5 8 28
052 Static Structures (e.g., Buildings) 11 6 3 3 4 27
347 Incremental Printing of Symbolic Information 8 5 2 5 7 27
436 Chemistry: Analytical and Immunological Testing 1 10 2 5 9 27
473 Games Using Tangible Projectile 6 10 5 4 2 27
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 6 7 5 4 4 26
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 4 4 10 3 5 26
252 Compositions 10 5 1 3 6 25
367 Communications, Electrical: Acoustic Wave Systems and Devices 6 4 6 4 4 24
405 Hydraulic and Earth Engineering 2 3 3 8 8 24
040 Card, Picture, or Sign Exhibiting 6 6 1 5 5 23
204 Chemistry: Electrical and Wave Energy 7 6 2 2 6 23
248 Supports (e.g., for holding articles, etc.) 4 4 7 4 4 23
310 Electrical Generator or Motor Structure 10 6 0 4 3 23
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 3 4 8 1 7 23
400 Typewriting Machines 5 6 3 7 1 22
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 6 5 3 3 5 22
165 Heat Exchange 2 4 3 7 5 21
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 13 1 3 3 1 21
280 Land Vehicles 3 6 3 6 3 21
378 X-Ray or Gamma Ray Systems or Devices 2 2 7 6 4 21
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 3 1 12 1 4 21
711 Memory (Electrical Computers and Digital Processing Systems) 2 1 3 3 12 21
084 Music 5 5 5 4 1 20
106 Compositions: Coating or Plastic 6 2 5 5 2 20
384 Bearings 3 5 7 3 2 20
426 Food or Edible Material: Processes, Compositions, and Products 9 3 5 3 0 20
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 4 4 4 6 2 20
714 Error Detection/Correction and Fault Detection/Recovery 3 6 3 2 6 20
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 4 7 4 0 4 19
134 Cleaning and Liquid Contact with Solids 9 4 3 1 2 19
148 Metal Treatment 4 3 2 6 4 19
358 Facsimile and Static Presentation Processing 2 4 4 2 7 19
368 Horology: Time Measuring Systems or Devices 3 2 8 3 3 19
209 Classifying, Separating, and Assorting Solids 10 1 5 0 2 18
401 Coating Implements with Material Supply 6 1 5 2 4 18
423 Chemistry of Inorganic Compounds 4 6 4 3 1 18
726 Information Security 1 5 4 6 2 18
211 Supports: Racks 3 7 3 3 1 17
297 Chairs and Seats 6 3 3 2 3 17
375 Pulse or Digital Communications 6 4 3 4 0 17
451 Abrading 2 5 5 3 2 17
099 Foods and Beverages: Apparatus 2 4 5 1 4 16
239 Fluid Sprinkling, Spraying, and Diffusing 2 9 4 1 0 16
277 Seal for a Joint or Juncture 2 3 4 4 3 16
318 Electricity: Motive Power Systems 4 6 1 2 3 16
403 Joints and Connections 8 2 4 1 1 16
455 Telecommunications 4 4 4 2 2 16
706 DP: Artificial Intelligence (Data Processing) 3 4 1 4 4 16
042 Firearms 4 4 2 2 3 15
070 Locks 1 4 6 3 1 15
072 Metal Deforming 2 1 3 5 4 15
081 Tools 3 5 3 2 2 15
216 Etching a Substrate: Processes 3 2 3 4 3 15
242 Winding, Tensioning, or Guiding 7 2 4 2 0 15
002 Apparel 2 4 5 1 2 14
005 Beds 4 0 3 2 5 14
101 Printing 2 4 1 2 5 14
374 Thermal Measuring and Testing 2 3 6 0 3 14
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 3 2 4 2 3 14
417 Pumps 4 1 5 2 2 14
431 Combustion 5 5 3 1 0 14
015 Brushing, Scrubbing, and General Cleaning 4 1 2 1 5 13
024 Buckles, Buttons, Clasps, Etc. 1 4 2 4 2 13
083 Cutting 3 2 7 1 0 13
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 2 4 3 0 4 13
273 Amusement Devices: Games 3 2 2 0 6 13
313 Electric Lamp and Discharge Devices 6 2 2 3 0 13
396 Photography 3 3 0 1 6 13
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 4 3 2 1 13
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 6 1 4 1 1 13
004 Baths, Closets, Sinks, and Spittoons 4 3 3 1 1 12
016 Miscellaneous Hardware 2 6 2 2 0 12
119 Animal Husbandry 4 3 4 0 1 12
132 Toilet 3 4 1 4 0 12
177 Weighing Scales 5 2 2 3 0 12
365 Static Information Storage and Retrieval 2 5 1 2 2 12
366 Agitating (e.g., of articles and materials) 1 2 2 5 2 12
380 Cryptography 2 0 4 2 4 12
482 Exercise Devices 2 1 2 3 4 12
710 Input/Output (Electrical Computers and Digital Processing Systems) 2 6 1 2 1 12
717 DP: Software Development, Installation, and Management (Data Processing) 2 3 0 1 6 12
096 Gas Separation: Apparatus 3 5 1 0 2 11
118 Coating Apparatus 3 3 1 1 3 11
181 Acoustics 1 1 0 3 6 11
220 Receptacles 0 2 5 3 1 11
228 Metal Fusion Bonding 2 2 2 2 3 11
381 Electrical Audio Signal Processing Systems and Devices 4 0 2 3 2 11
725 Interactive Video Distribution Systems 2 1 1 2 5 11
036 Boots, Shoes, and Leggings 1 2 4 0 3 10
074 Machine Element or Mechanism 2 2 3 3 0 10
160 Flexible or Portable Closure, Partition, or Panel 2 3 4 0 1 10
198 Conveyors: Power-Driven 2 0 2 4 2 10
251 Valves and Valve Actuation 2 3 3 1 1 10
285 Pipe Joints or Couplings 1 1 1 0 7 10
348 Television 3 0 4 2 1 10
398 Optical Communications 2 1 2 1 4 10
434 Education and Demonstration 3 2 4 1 0 10
034 Drying and Gas or Vapor Contact with Solids 3 3 2 1 0 9
108 Horizontally Supported Planar Surfaces 4 3 0 1 1 9
124 Mechanical Guns and Projectors 6 0 1 1 1 9
224 Package and Article Carriers 4 1 0 2 2 9
296 Land Vehicles: Bodies and Tops 0 4 2 3 0 9
343 Communications: Radio Wave Antennas 2 1 2 2 2 9
494 Imperforate Bowl: Centrifugal Separators 5 0 2 0 2 9
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 0 1 1 5 9
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 1 1 4 3 0 9
049 Movable or Removable Closures 4 1 0 2 1 8
200 Electricity: Circuit Makers and Breakers 5 2 0 0 1 8
292 Closure Fasteners 2 2 1 2 1 8
315 Electric Lamp and Discharge Devices: Systems 4 1 1 1 1 8
414 Material or Article Handling 1 2 2 2 1 8
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 1 1 3 1 8
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 1 0 1 3 8
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 1 4 1 2 8
043 Fishing, Trapping, and Vermin Destroying 4 1 1 1 0 7
055 Gas Separation 1 1 1 2 2 7
114 Ships 2 0 1 2 2 7
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 2 1 2 0 7
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 1 5 0 1 7
341 Coded Data Generation or Conversion 0 2 2 0 3 7
363 Electric Power Conversion Systems 3 1 2 1 0 7
446 Amusement Devices: Toys 1 1 2 1 2 7
708 Arithmetic Processing and Calculating (Electrical Computers) 4 0 3 0 0 7
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 1 1 2 3 7
044 Fuel and Related Compositions 3 0 1 2 0 6
102 Ammunition and Explosives 0 1 1 3 1 6
208 Mineral Oils: Processes and Products 2 2 1 0 1 6
232 Deposit and Collection Receptacles 0 0 1 3 2 6
241 Solid Material Comminution or Disintegration 0 2 2 1 1 6
249 Static Molds 4 0 1 1 0 6
294 Handling: Hand and Hoist-Line Implements 2 0 3 0 1 6
301 Land Vehicles: Wheels and Axles 0 2 0 1 3 6
307 Electrical Transmission or Interconnection Systems 1 1 3 0 1 6
336 Inductor Devices 2 0 3 0 1 6
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 1 2 0 1 6
351 Optics: Eye Examining, Vision Testing and Correcting 2 0 3 1 0 6
392 Electric Resistance Heating Devices 1 3 0 1 1 6
404 Road Structure, Process, or Apparatus 0 1 4 1 0 6
419 Powder Metallurgy Processes 4 1 0 0 1 6
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 3 2 0 0 1 6
602 Surgery: Splint, Brace, or Bandage 3 0 2 0 1 6
607 Surgery: Light, Thermal, and Electrical Application 2 1 2 1 0 6
135 Tent, Canopy, Umbrella, or Cane 0 0 2 2 1 5
162 Paper Making and Fiber Liberation 2 2 0 0 1 5
182 Fire Escape, Ladder, or Scaffold 1 0 1 2 1 5
188 Brakes 2 2 0 1 0 5
215 Bottles and Jars 1 2 0 1 1 5
229 Envelopes, Wrappers, and Paperboard Boxes 0 1 2 1 1 5
267 Spring Devices 0 2 3 0 0 5
269 Work Holders 0 2 1 1 1 5
290 Prime-Mover Dynamo Plants 2 0 2 0 1 5
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 0 2 0 1 5
420 Alloys or Metallic Compositions 2 2 0 0 1 5
440 Marine Propulsion 0 1 1 1 2 5
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 2 1 0 0 5
475 Planetary Gear Transmission Systems or Components 4 0 1 0 0 5
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 1 1 0 1 5
585 Chemistry of Hydrocarbon Compounds 0 2 1 2 0 5
601 Surgery: Kinesitherapy 0 1 2 0 2 5
007 Compound Hand Tools 1 0 1 2 0 4
048 Gas: Heating and Illuminating 0 1 1 0 2 4
089 Ordnance 0 0 1 1 2 4
092 Expansible Chamber Devices 0 1 0 3 0 4
184 Lubrication 0 2 0 1 1 4
221 Article Dispensing 0 0 1 2 1 4
236 Automatic Temperature and Humidity Regulation 1 1 1 0 1 4
270 Sheet-Material Associating 2 0 0 1 1 4
323 Electricity: Power Supply or Regulation Systems 0 2 1 0 1 4
333 Wave Transmission Lines and Networks 1 3 0 0 0 4
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 0 0 1 1 4
037 Excavating 0 1 2 0 0 3
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 1 0 2 0 3
175 Boring or Penetrating the Earth 0 0 1 1 1 3
190 Trunks and Hand-Carried Luggage 1 1 1 0 0 3
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 2 0 1 3
266 Metallurgical Apparatus 0 0 2 1 0 3
312 Supports: Cabinet Structure 1 0 1 1 0 3
338 Electrical Resistors 0 0 3 0 0 3
369 Dynamic Information Storage or Retrieval 0 2 1 0 0 3
383 Flexible Bags 0 1 2 0 0 3
407 Cutters, for Shaping 0 2 0 1 0 3
408 Cutting by Use of Rotating Axially Moving Tool 0 1 1 1 0 3
410 Freight Accommodation On Freight Carrier 1 0 1 1 0 3
051 Abrasive Tool Making Process, Material, or Composition 1 0 0 0 1 2
057 Textiles: Spinning, Twisting, and Twining 1 0 0 1 0 2
086 Ammunition and Explosive-Charge Making 0 1 1 0 0 2
091 Motors: Expansible Chamber Type 1 0 0 0 1 2
100 Presses 1 1 0 0 0 2
104 Railways 0 1 1 0 0 2
110 Furnaces 0 1 1 0 0 2
116 Signals and Indicators 1 0 0 0 1 2
139 Textiles: Weaving 1 0 0 1 0 2
169 Fire Extinguishers 0 2 0 0 0 2
173 Tool Driving or Impacting 0 1 1 0 0 2
192 Clutches and Power-Stop Control 1 1 0 0 0 2
203 Distillation: Processes, Separatory 0 0 2 0 0 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 0 0 0 1 2
237 Heating Systems 0 0 2 0 0 2
261 Gas and Liquid Contact Apparatus 1 1 0 0 0 2
281 Books, Strips, and Leaves 2 0 0 0 0 2
283 Printed Matter 1 0 0 0 1 2
303 Fluid-Pressure and Analogous Brake Systems 1 0 0 0 1 2
320 Electricity: Battery or Capacitor Charging or Discharging 1 1 0 0 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 1 1 0 0 0 2
353 Optics: Image Projectors 0 1 1 0 0 2
409 Gear Cutting, Milling, or Planing 1 0 1 0 0 2
418 Rotary Expansible Chamber Devices 1 0 1 0 0 2
450 Foundation Garments 1 0 0 1 0 2
452 Butchering 0 0 1 1 0 2
483 Tool Changing 0 0 1 0 1 2
492 Roll or Roller 1 1 0 0 0 2
012 Boot and Shoe Making 0 1 0 0 0 1
023 Chemistry: Physical Processes 0 1 0 0 0 1
028 Textiles: Manufacturing 0 0 0 0 1 1
068 Textiles: Fluid Treating Apparatus 0 0 0 0 1 1
071 Chemistry: Fertilizers 1 0 0 0 0 1
087 Textiles: Braiding, Netting, and Lace Making 1 0 0 0 0 1
105 Railway Rolling Stock 0 0 1 0 0 1
111 Planting 0 0 0 0 1 1
122 Liquid Heaters and Vaporizers 0 1 0 0 0 1
125 Stone Working 0 1 0 0 0 1
126 Stoves and Furnaces 0 0 1 0 0 1
131 Tobacco 0 1 0 0 0 1
136 Batteries: Thermoelectric and Photoelectric 1 0 0 0 0 1
144 Woodworking 0 0 0 0 1 1
152 Resilient Tires and Wheels 0 0 1 0 0 1
180 Motor Vehicles 0 0 0 0 1 1
186 Merchandising 0 0 1 0 0 1
194 Check-Actuated Control Mechanisms 0 0 0 1 0 1
223 Apparel Apparatus 0 0 0 1 0 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 1
326 Electronic Digital Logic Circuitry 0 1 0 0 0 1
330 Amplifiers 0 0 0 0 1 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 0 0 1 1
399 Electrophotography 0 1 0 0 0 1
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 0 1 1
432 Heating 0 0 0 0 1 1
441 Buoys, Rafts, and Aquatic Devices 0 0 1 0 0 1
454 Ventilation 0 0 0 1 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 0 1 0 0 1
472 Amusement Devices 0 1 0 0 0 1
474 Endless Belt Power Transmission Systems or Components 0 1 0 0 0 1
501 Compositions: Ceramic 1 0 0 0 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 0 1 1
512 Perfume Compositions 0 0 0 0 1 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 1 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 0 1
ALL ALL CLASSES 1577 1520 1652 1384 1356 7489


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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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