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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

CONNECTICUT

( 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 211 228 180 145 171 935
532 Organic Compounds (includes Classes 532-570) 68 70 61 53 47 299
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 63 39 50 40 28 220
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 45 51 22 27 65 210
435 Chemistry: Molecular Biology and Microbiology 51 45 45 34 28 203
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 23 35 39 45 43 185
428 Stock Material or Miscellaneous Articles 23 24 32 22 23 124
439 Electrical Connectors 28 26 15 18 27 114
250 Radiant Energy 26 28 15 20 22 111
128 Surgery (includes Class 600) 29 27 21 20 11 108
438 Semiconductor Device Manufacturing: Process 25 16 18 20 24 103
463 Amusement Devices: Games 33 16 23 14 15 101
073 Measuring and Testing 13 19 21 20 24 97
359 Optics: Systems and Elements 17 17 22 18 19 93
210 Liquid Purification or Separation 10 20 12 22 21 85
356 Optics: Measuring and Testing 10 14 16 25 20 85
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 16 17 8 16 26 83
385 Optical Waveguides 16 18 14 16 16 80
700 DP: Generic Control Systems or Specific Applications (Data Processing) 20 5 21 24 8 78
606 Surgery (instruments) 20 14 13 12 18 77
060 Power Plants 17 12 15 15 17 76
702 DP: Measuring, Calibrating, or Testing (Data Processing) 4 16 20 16 20 76
324 Electricity: Measuring and Testing 11 18 20 10 16 75
271 Sheet Feeding or Delivering 16 13 19 18 7 73
340 Communications: Electrical 14 14 9 17 18 72
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 20 21 11 9 10 71
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 15 17 12 13 12 69
174 Electricity: Conductors and Insulators 26 16 8 9 9 68
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 19 29 8 5 4 65
416 Fluid Reaction Surfaces (i.e., Impellers) 13 10 11 9 20 63
427 Coating Processes 14 16 17 9 7 63
123 Internal-Combustion Engines 13 17 10 8 13 61
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 14 16 7 11 13 61
361 Electricity: Electrical Systems and Devices 11 15 12 15 7 60
379 Telephonic Communications 17 13 6 17 7 60
707 DP: Database and File Management or Data Structures (Data Processing) 5 12 19 16 8 60
029 Metal Working 14 10 13 12 10 59
222 Dispensing (apparatus and process) 10 12 8 14 14 58
604 Surgery (Medicators and Receptors) 8 15 15 10 8 56
206 Special Receptacle or Package 18 16 4 10 7 55
030 Cutlery 10 9 16 11 8 54
347 Incremental Printing of Symbolic Information 17 12 12 8 5 54
062 Refrigeration 5 12 13 14 7 51
473 Games Using Tangible Projectile 14 9 12 6 10 51
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 10 10 7 11 12 50
433 Dentistry 15 10 11 6 8 50
219 Electric Heating 10 13 10 9 6 48
355 Photocopying 4 2 9 11 20 46
362 Illumination 11 8 8 10 9 46
415 Rotary Kinetic Fluid Motors or Pumps 10 14 6 5 11 46
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 6 9 13 8 8 44
244 Aeronautics and Astronautics 10 11 7 8 7 43
052 Static Structures (e.g., Buildings) 10 7 7 11 6 41
137 Fluid Handling 9 8 3 7 13 40
375 Pulse or Digital Communications 6 4 19 6 4 39
436 Chemistry: Analytical and Immunological Testing 8 8 12 1 10 39
033 Geometrical Instruments 7 11 5 6 9 38
065 Glass Manufacturing 6 4 7 18 3 38
370 Multiplex Communications 7 5 13 7 6 38
382 Image Analysis 8 11 7 7 5 38
713 Support (Electrical Computers and Digital Processing Systems) 9 4 4 13 7 37
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 10 4 7 13 1 35
310 Electrical Generator or Motor Structure 6 7 6 10 6 35
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 7 11 11 4 35
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 4 10 7 6 7 34
426 Food or Edible Material: Processes, Compositions, and Products 10 6 6 9 3 34
248 Supports (e.g., for holding articles, etc.) 10 5 8 4 4 31
367 Communications, Electrical: Acoustic Wave Systems and Devices 6 5 10 6 4 31
384 Bearings 7 8 8 3 5 31
204 Chemistry: Electrical and Wave Energy 4 6 7 7 6 30
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 7 7 7 5 30
200 Electricity: Circuit Makers and Breakers 8 11 3 5 2 29
252 Compositions 5 4 4 10 5 28
273 Amusement Devices: Games 12 3 8 3 2 28
095 Gas Separation: Processes 3 6 9 6 3 27
345 Computer Graphics Processing and Selective Visual Display Systems 5 7 5 5 5 27
401 Coating Implements with Material Supply 7 4 9 6 1 27
431 Combustion 5 10 2 5 5 27
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 4 2 6 3 11 26
280 Land Vehicles 8 4 5 3 6 26
024 Buckles, Buttons, Clasps, Etc. 5 10 5 1 4 25
040 Card, Picture, or Sign Exhibiting 4 2 7 6 6 25
042 Firearms 7 6 4 4 4 25
053 Package Making 3 4 3 8 7 25
084 Music 4 7 4 5 5 25
134 Cleaning and Liquid Contact with Solids 4 5 3 9 4 25
277 Seal for a Joint or Juncture 10 6 4 2 3 25
358 Facsimile and Static Presentation Processing 3 9 7 2 4 25
372 Coherent Light Generators 4 4 3 8 6 25
376 Induced Nuclear Reactions: Processes, Systems, and Elements 11 8 4 2 0 25
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 6 6 2 6 5 25
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 4 6 4 7 24
239 Fluid Sprinkling, Spraying, and Diffusing 3 4 6 2 9 24
400 Typewriting Machines 6 3 4 5 6 24
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 4 9 3 4 4 24
081 Tools 7 2 6 3 5 23
148 Metal Treatment 6 4 6 4 3 23
417 Pumps 6 7 5 4 1 23
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 10 4 2 3 4 23
016 Miscellaneous Hardware 5 3 6 2 6 22
165 Heat Exchange 6 5 5 2 4 22
451 Abrading 6 5 4 2 5 22
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 4 4 7 6 1 22
070 Locks 8 5 3 1 4 21
211 Supports: Racks 3 3 5 3 7 21
292 Closure Fasteners 2 10 5 2 2 21
297 Chairs and Seats 3 3 6 6 3 21
318 Electricity: Motive Power Systems 6 3 2 4 6 21
015 Brushing, Scrubbing, and General Cleaning 6 3 6 4 1 20
106 Compositions: Coating or Plastic 4 6 2 6 2 20
242 Winding, Tensioning, or Guiding 5 3 3 7 2 20
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 7 6 3 3 1 20
002 Apparel 6 6 1 2 4 19
004 Baths, Closets, Sinks, and Spittoons 4 5 3 4 3 19
118 Coating Apparatus 5 5 3 3 3 19
313 Electric Lamp and Discharge Devices 4 5 2 6 2 19
043 Fishing, Trapping, and Vermin Destroying 4 5 4 4 1 18
049 Movable or Removable Closures 1 4 8 4 1 18
083 Cutting 6 4 3 3 2 18
209 Classifying, Separating, and Assorting Solids 2 4 1 10 1 18
227 Elongated-Member-Driving Apparatus 5 2 1 5 5 18
423 Chemistry of Inorganic Compounds 1 1 6 4 6 18
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 8 4 3 2 1 18
714 Error Detection/Correction and Fault Detection/Recovery 1 2 6 3 6 18
119 Animal Husbandry 3 3 4 4 3 17
220 Receptacles 6 4 5 0 2 17
368 Horology: Time Measuring Systems or Devices 5 3 4 3 2 17
381 Electrical Audio Signal Processing Systems and Devices 5 1 7 4 0 17
403 Joints and Connections 1 3 3 8 2 17
446 Amusement Devices: Toys 3 2 10 1 1 17
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 5 2 3 4 17
710 Input/Output (Electrical Computers and Digital Processing Systems) 3 4 2 2 6 17
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 3 4 3 2 4 16
224 Package and Article Carriers 2 6 3 4 1 16
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 3 5 3 3 2 16
074 Machine Element or Mechanism 6 3 2 2 2 15
124 Mechanical Guns and Projectors 3 2 4 6 0 15
132 Toilet 2 5 1 3 4 15
405 Hydraulic and Earth Engineering 3 3 4 2 3 15
455 Telecommunications 3 0 4 4 4 15
717 DP: Software Development, Installation, and Management (Data Processing) 3 3 4 2 3 15
096 Gas Separation: Apparatus 0 1 5 3 5 14
099 Foods and Beverages: Apparatus 3 3 2 2 4 14
114 Ships 7 2 2 2 0 13
198 Conveyors: Power-Driven 6 2 3 2 0 13
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 10 1 1 1 0 13
343 Communications: Radio Wave Antennas 7 3 0 2 1 13
374 Thermal Measuring and Testing 2 3 3 2 3 13
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 5 0 3 3 2 13
602 Surgery: Splint, Brace, or Bandage 3 1 6 3 0 13
177 Weighing Scales 1 2 2 5 2 12
228 Metal Fusion Bonding 2 4 2 2 2 12
315 Electric Lamp and Discharge Devices: Systems 2 3 2 4 1 12
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 4 1 3 1 12
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 2 1 1 4 4 12
005 Beds 0 2 5 4 0 11
101 Printing 4 1 0 2 4 11
162 Paper Making and Fiber Liberation 1 4 2 2 2 11
216 Etching a Substrate: Processes 1 2 3 3 2 11
229 Envelopes, Wrappers, and Paperboard Boxes 1 7 2 0 1 11
270 Sheet-Material Associating 2 4 3 2 0 11
294 Handling: Hand and Hoist-Line Implements 4 5 0 2 0 11
348 Television 3 1 4 3 0 11
363 Electric Power Conversion Systems 1 2 4 3 1 11
398 Optical Communications 2 1 5 2 1 11
414 Material or Article Handling 2 2 4 1 2 11
706 DP: Artificial Intelligence (Data Processing) 0 2 2 3 4 11
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 5 1 3 2 0 11
108 Horizontally Supported Planar Surfaces 1 0 2 4 3 10
188 Brakes 2 3 1 2 2 10
281 Books, Strips, and Leaves 5 3 0 2 0 10
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 3 3 1 2 1 10
434 Education and Demonstration 1 2 2 3 2 10
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 1 3 2 2 10
482 Exercise Devices 4 1 2 2 1 10
034 Drying and Gas or Vapor Contact with Solids 1 2 0 3 3 9
036 Boots, Shoes, and Leggings 5 0 1 1 2 9
044 Fuel and Related Compositions 1 2 3 3 0 9
072 Metal Deforming 5 0 1 2 1 9
102 Ammunition and Explosives 3 2 3 0 1 9
110 Furnaces 4 2 2 0 1 9
285 Pipe Joints or Couplings 2 4 1 1 1 9
341 Coded Data Generation or Conversion 2 3 2 0 2 9
366 Agitating (e.g., of articles and materials) 5 1 0 1 2 9
378 X-Ray or Gamma Ray Systems or Devices 2 0 3 2 2 9
396 Photography 3 0 0 3 3 9
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 1 4 2 0 9
494 Imperforate Bowl: Centrifugal Separators 0 3 1 5 0 9
711 Memory (Electrical Computers and Digital Processing Systems) 0 5 1 2 1 9
725 Interactive Video Distribution Systems 5 1 0 2 1 9
160 Flexible or Portable Closure, Partition, or Panel 2 0 1 2 3 8
208 Mineral Oils: Processes and Products 0 2 2 2 2 8
221 Article Dispensing 2 2 4 0 0 8
251 Valves and Valve Actuation 2 0 1 2 3 8
296 Land Vehicles: Bodies and Tops 2 1 1 0 4 8
307 Electrical Transmission or Interconnection Systems 1 2 3 1 1 8
312 Supports: Cabinet Structure 2 2 3 1 0 8
365 Static Information Storage and Retrieval 1 0 0 2 5 8
392 Electric Resistance Heating Devices 1 1 2 1 3 8
409 Gear Cutting, Milling, or Planing 2 2 3 1 0 8
607 Surgery: Light, Thermal, and Electrical Application 2 1 2 2 1 8
047 Plant Husbandry 2 3 2 0 0 7
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 2 1 2 2 7
164 Metal Founding 0 0 3 0 4 7
181 Acoustics 1 1 3 1 1 7
190 Trunks and Hand-Carried Luggage 1 2 2 1 1 7
226 Advancing Material of Indeterminate Length 5 1 1 0 0 7
333 Wave Transmission Lines and Networks 2 1 0 1 3 7
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 1 1 2 1 7
380 Cryptography 2 0 3 2 0 7
420 Alloys or Metallic Compositions 1 0 2 2 2 7
057 Textiles: Spinning, Twisting, and Twining 3 2 0 1 0 6
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 2 1 2 0 1 6
122 Liquid Heaters and Vaporizers 3 2 0 0 1 6
192 Clutches and Power-Stop Control 0 4 0 1 1 6
249 Static Molds 0 1 1 4 0 6
269 Work Holders 0 1 3 0 2 6
323 Electricity: Power Supply or Regulation Systems 1 2 1 0 2 6
336 Inductor Devices 1 2 1 2 0 6
418 Rotary Expansible Chamber Devices 2 2 1 1 0 6
419 Powder Metallurgy Processes 0 0 1 4 1 6
440 Marine Propulsion 2 2 1 0 1 6
475 Planetary Gear Transmission Systems or Components 0 1 1 4 0 6
055 Gas Separation 1 1 1 1 1 5
092 Expansible Chamber Devices 0 2 2 0 1 5
182 Fire Escape, Ladder, or Scaffold 4 0 0 1 0 5
215 Bottles and Jars 1 1 0 1 2 5
241 Solid Material Comminution or Disintegration 1 2 0 0 2 5
267 Spring Devices 1 1 1 0 2 5
290 Prime-Mover Dynamo Plants 3 0 0 2 0 5
408 Cutting by Use of Rotating Axially Moving Tool 2 1 1 0 1 5
585 Chemistry of Hydrocarbon Compounds 2 1 0 0 2 5
708 Arithmetic Processing and Calculating (Electrical Computers) 0 1 0 4 0 5
726 Information Security 0 0 1 1 3 5
051 Abrasive Tool Making Process, Material, or Composition 1 2 0 1 0 4
116 Signals and Indicators 1 1 1 1 0 4
236 Automatic Temperature and Humidity Regulation 0 0 2 1 1 4
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 2 2 0 0 4
283 Printed Matter 1 2 0 1 0 4
351 Optics: Eye Examining, Vision Testing and Correcting 1 1 0 2 0 4
452 Butchering 1 2 1 0 0 4
501 Compositions: Ceramic 1 1 1 1 0 4
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 2 1 0 1 4
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 2 1 1 4
007 Compound Hand Tools 2 0 0 1 0 3
048 Gas: Heating and Illuminating 1 0 1 0 1 3
063 Jewelry 0 2 1 0 0 3
086 Ammunition and Explosive-Charge Making 0 1 1 0 1 3
089 Ordnance 1 1 1 0 0 3
104 Railways 1 1 0 0 1 3
125 Stone Working 2 0 0 0 1 3
175 Boring or Penetrating the Earth 0 1 2 0 0 3
180 Motor Vehicles 1 2 0 0 0 3
301 Land Vehicles: Wheels and Axles 0 0 1 0 2 3
326 Electronic Digital Logic Circuitry 1 0 1 0 1 3
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 1 1 0 1 3
404 Road Structure, Process, or Apparatus 1 1 0 0 1 3
432 Heating 0 2 1 0 0 3
472 Amusement Devices 0 1 1 0 1 3
492 Roll or Roller 1 0 0 1 1 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 2 0 0 3
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 1 0 0 1 3
023 Chemistry: Physical Processes 0 0 1 0 1 2
037 Excavating 0 1 0 0 1 2
066 Textiles: Knitting 1 0 1 0 0 2
087 Textiles: Braiding, Netting, and Lace Making 0 1 0 1 0 2
091 Motors: Expansible Chamber Type 0 0 1 1 0 2
100 Presses 0 0 0 1 1 2
126 Stoves and Furnaces 0 2 0 0 0 2
131 Tobacco 1 0 0 0 1 2
138 Pipes and Tubular Conduits 1 1 0 0 0 2
140 Wireworking 1 0 1 0 0 2
169 Fire Extinguishers 0 0 0 0 2 2
184 Lubrication 0 0 0 0 2 2
194 Check-Actuated Control Mechanisms 2 0 0 0 0 2
232 Deposit and Collection Receptacles 1 1 0 0 0 2
238 Railways: Surface Track 1 1 0 0 0 2
261 Gas and Liquid Contact Apparatus 0 0 0 1 1 2
303 Fluid-Pressure and Analogous Brake Systems 0 1 0 1 0 2
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 1 1 2
330 Amplifiers 0 1 1 0 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 1 1 2
360 Dynamic Magnetic Information Storage or Retrieval 0 1 1 0 0 2
369 Dynamic Information Storage or Retrieval 0 0 0 0 2 2
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 2 0 0 0 2
383 Flexible Bags 0 1 0 0 1 2
399 Electrophotography 0 1 0 0 1 2
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 1 1 0 0 2
407 Cutters, for Shaping 0 0 0 0 2 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 1 0 0 0 2
450 Foundation Garments 0 1 0 1 0 2
454 Ventilation 2 0 0 0 0 2
474 Endless Belt Power Transmission Systems or Components 0 1 0 0 1 2
504 Plant Protecting and Regulating Compositions 1 1 0 0 0 2
012 Boot and Shoe Making 0 0 0 0 1 1
027 Undertaking 0 0 1 0 0 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
054 Harness for Working Animal 1 0 0 0 0 1
056 Harvesters 1 0 0 0 0 1
059 Chain, Staple, and Horseshoe Making 1 0 0 0 0 1
071 Chemistry: Fertilizers 0 0 0 1 0 1
076 Metal Tools and Implements, Making 1 0 0 0 0 1
105 Railway Rolling Stock 1 0 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 1 0 0 0 1
112 Sewing 1 0 0 0 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 1 0 1
139 Textiles: Weaving 0 0 0 1 0 1
173 Tool Driving or Impacting 0 0 0 0 1 1
202 Distillation: Apparatus 0 0 1 0 0 1
203 Distillation: Processes, Separatory 1 0 0 0 0 1
223 Apparel Apparatus 1 0 0 0 0 1
237 Heating Systems 0 1 0 0 0 1
353 Optics: Image Projectors 0 0 0 0 1 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 1 0 0 1
388 Electricity: Motor Control Systems 0 0 1 0 0 1
410 Freight Accommodation On Freight Carrier 0 0 0 1 0 1
412 Bookbinding: Process and Apparatus 0 0 1 0 0 1
453 Coin Handling 0 0 1 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 0 1 0 0 1
601 Surgery: Kinesitherapy 0 0 0 0 1 1
ALL ALL CLASSES 1851 1805 1667 1577 1520 8420


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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