U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1997 - 2001 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

LOUISIANA

(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')
 
Class Class Title 1997 1998 1999 2000 2001 Total
532 Organic Compounds (includes Classes 532-570) 24 34 42 23 28 151
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 13 25 24 27 35 124
210 Liquid Purification or Separation 15 15 18 18 25 91
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 9 24 17 13 17 80
405 Hydraulic and Earth Engineering 8 10 14 13 11 56
175 Boring or Penetrating the Earth 4 6 13 14 17 54
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 7 18 5 10 14 54
208 Mineral Oils: Processes and Products 4 6 19 10 12 51
137 Fluid Handling 7 4 6 8 12 37
435 Chemistry: Molecular Biology and Microbiology 8 10 4 7 7 36
606 Surgery (instruments) 5 5 6 7 13 36
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 6 4 10 9 5 34
128 Surgery (includes Class 600) 3 7 7 4 10 31
114 Ships 5 1 3 8 11 28
585 Chemistry of Hydrocarbon Compounds 7 10 5 4 2 28
294 Handling: Hand and Hoist-Line Implements 9 7 3 5 3 27
043 Fishing, Trapping, and Vermin Destroying 3 2 7 9 5 26
604 Surgery (Medicators and Receptors) 4 7 6 3 6 26
134 Cleaning and Liquid Contact with Solids 7 5 7 5 1 25
340 Communications: Electrical 4 3 4 8 5 24
081 Tools 1 4 6 6 6 23
280 Land Vehicles 3 4 6 5 5 23
073 Measuring and Testing 5 8 5 2 2 22
367 Communications, Electrical: Acoustic Wave Systems and Devices 5 2 2 9 3 21
206 Special Receptacle or Package 4 2 5 7 2 20
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 4 7 6 3 20
052 Static Structures (e.g., Buildings) 4 2 5 3 4 18
099 Foods and Beverages: Apparatus 2 5 2 6 3 18
426 Food or Edible Material: Processes, Compositions, and Products 3 4 1 5 5 18
002 Apparel 2 3 2 3 7 17
062 Refrigeration 0 2 5 5 5 17
198 Conveyors: Power-Driven 2 2 4 4 5 17
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 3 6 2 3 3 17
452 Butchering 0 1 3 7 5 16
004 Baths, Closets, Sinks, and Spittoons 6 5 0 4 0 15
029 Metal Working 2 3 1 7 2 15
119 Animal Husbandry 4 4 1 3 3 15
248 Supports (e.g., for holding articles, etc.) 2 3 3 1 6 15
252 Compositions 5 1 3 4 2 15
428 Stock Material or Miscellaneous Articles 5 4 5 1 0 15
440 Marine Propulsion 0 5 4 4 2 15
473 Games Using Tangible Projectile 7 2 1 3 2 15
182 Fire Escape, Ladder, or Scaffold 0 5 3 3 3 14
241 Solid Material Comminution or Disintegration 1 3 4 3 3 14
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 2 2 5 4 14
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 2 2 2 6 14
015 Brushing, Scrubbing, and General Cleaning 3 0 3 5 2 13
030 Cutlery 3 2 3 2 3 13
224 Package and Article Carriers 2 2 2 5 2 13
296 Land Vehicles: Bodies and Tops 2 3 2 3 3 13
433 Dentistry 3 3 4 2 1 13
172 Earth Working 2 2 4 2 2 12
209 Classifying, Separating, and Assorting Solids 1 2 1 3 5 12
220 Receptacles 2 3 3 3 1 12
285 Pipe Joints or Couplings 1 2 1 5 3 12
362 Illumination 2 1 2 4 3 12
504 Plant Protecting and Regulating Compositions 6 3 3 0 0 12
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 3 2 3 3 12
024 Buckles, Buttons, Clasps, Etc. 2 1 2 5 1 11
070 Locks 2 6 2 1 0 11
108 Horizontally Supported Planar Surfaces 1 3 0 4 3 11
251 Valves and Valve Actuation 3 1 3 1 3 11
297 Chairs and Seats 3 3 2 1 2 11
423 Chemistry of Inorganic Compounds 0 1 5 3 2 11
060 Power Plants 0 4 2 2 2 10
222 Dispensing (apparatus and process) 2 2 4 1 1 10
375 Pulse or Digital Communications 1 2 5 2 0 10
446 Amusement Devices: Toys 1 4 1 4 0 10
034 Drying and Gas or Vapor Contact with Solids 4 3 1 0 1 9
042 Firearms 2 1 1 2 3 9
211 Supports: Racks 2 3 1 1 2 9
221 Article Dispensing 0 2 3 1 3 9
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 2 1 1 3 2 9
414 Material or Article Handling 2 0 4 2 1 9
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 3 3 0 1 9
106 Compositions: Coating or Plastic 1 2 1 1 3 8
180 Motor Vehicles 1 2 3 1 1 8
181 Acoustics 1 2 3 1 1 8
242 Winding, Tensioning, or Guiding 0 5 2 0 1 8
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 1 2 3 1 8
273 Amusement Devices: Games 2 2 2 1 1 8
277 Seal for a Joint or Juncture 1 2 0 2 3 8
417 Pumps 0 1 2 3 2 8
434 Education and Demonstration 0 4 3 1 0 8
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 2 3 2 0 1 8
005 Beds 1 2 1 3 0 7
033 Geometrical Instruments 0 2 1 2 2 7
084 Music 0 0 2 3 2 7
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 1 1 2 1 7
204 Chemistry: Electrical and Wave Energy 0 1 2 1 3 7
228 Metal Fusion Bonding 0 2 1 0 4 7
359 Optics: Systems (Including Communication) and Elements 1 1 0 3 2 7
404 Road Structure, Process, or Apparatus 3 0 1 3 0 7
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 3 1 1 0 2 7
427 Coating Processes 5 1 1 0 0 7
482 Exercise Devices 0 2 2 3 0 7
044 Fuel and Related Compositions 1 2 0 1 2 6
083 Cutting 0 0 2 3 1 6
095 Gas Separation: Processes 2 1 1 1 1 6
096 Gas Separation: Apparatus 1 0 2 2 1 6
100 Presses 1 1 1 2 1 6
123 Internal-Combustion Engines 1 2 0 2 1 6
124 Mechanical Guns and Projectors 2 0 1 3 0 6
132 Toilet 0 1 1 3 1 6
135 Tent, Canopy, Umbrella, or Cane 2 1 0 3 0 6
138 Pipes and Tubular Conduits 0 2 2 1 1 6
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 0 1 1 3 6
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 2 1 1 0 2 6
239 Fluid Sprinkling, Spraying, and Diffusing 3 2 0 0 1 6
250 Radiant Energy 0 1 2 1 2 6
348 Television 1 1 2 1 1 6
439 Electrical Connectors 0 1 1 2 2 6
588 Hazardous or Toxic Waste Destruction or Containment 0 2 3 0 1 6
037 Excavating 1 0 2 1 1 5
049 Movable or Removable Closures 0 0 2 2 1 5
056 Harvesters 0 2 0 2 1 5
074 Machine Element or Mechanism 1 0 0 2 2 5
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 0 2 2 0 5
401 Coating Implements with Material Supply 0 0 2 2 1 5
602 Surgery: Splint, Brace, or Bandage 2 2 0 1 0 5
607 Surgery: Light, Thermal, and Electrical Application 1 1 0 2 1 5
702 DP: Measuring, Calibrating, or Testing (Data Processing) 3 0 0 0 2 5
016 Miscellaneous Hardware 1 1 1 0 1 4
036 Boots, Shoes, and Leggings 0 3 0 0 1 4
047 Plant Husbandry 1 1 0 1 1 4
072 Metal Deforming 1 1 1 0 1 4
102 Ammunition and Explosives 0 1 0 2 1 4
126 Stoves and Furnaces 0 1 2 1 0 4
144 Woodworking 1 0 1 0 2 4
160 Flexible or Portable Closure, Partition, or Panel 2 0 1 1 0 4
162 Paper Making and Fiber Liberation 0 2 2 0 0 4
174 Electricity: Conductors and Insulators 0 0 1 1 2 4
203 Distillation: Processes, Separatory 2 0 2 0 0 4
212 Traversing Hoists 0 1 1 1 1 4
219 Electric Heating 0 1 0 0 3 4
238 Railways: Surface Track 0 2 0 1 1 4
260 Chemistry of Carbon Compounds 1 0 0 1 2 4
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 1 1 1 0 4
356 Optics: Measuring and Testing 0 1 1 1 1 4
379 Telephonic Communications 1 1 0 0 2 4
383 Flexible Bags 0 0 2 2 0 4
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1 0 1 2 0 4
436 Chemistry: Analytical and Immunological Testing 2 1 1 0 0 4
463 Amusement Devices: Games 1 2 1 0 0 4
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 1 1 2 4
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 1 1 1 1 4
040 Card, Picture, or Sign Exhibiting 0 0 1 2 0 3
053 Package Making 1 0 0 1 1 3
118 Coating Apparatus 2 0 0 1 0 3
173 Tool Driving or Impacting 0 2 0 1 0 3
188 Brakes 1 0 1 1 0 3
223 Apparel Apparatus 1 1 0 1 0 3
229 Envelopes, Wrappers, and Paperboard Boxes 0 0 1 1 1 3
261 Gas and Liquid Contact Apparatus 1 0 1 1 0 3
292 Closure Fasteners 2 1 0 0 0 3
312 Supports: Cabinet Structure 1 0 2 0 0 3
366 Agitating (e.g., of articles and materials) 0 2 1 0 0 3
368 Horology: Time Measuring Systems or Devices 1 1 0 0 1 3
381 Electrical Audio Signal Processing Systems and Devices 0 2 1 0 0 3
382 Image Analysis 1 1 0 0 1 3
406 Conveyors: Fluid Current 0 2 0 1 0 3
409 Gear Cutting, Milling, or Planing 1 0 0 1 1 3
415 Rotary Kinetic Fluid Motors or Pumps 0 1 0 0 2 3
416 Fluid Reaction Surfaces (i.e., Impellers) 0 1 0 0 2 3
454 Ventilation 0 1 0 2 0 3
455 Telecommunications 0 0 1 0 2 3
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 3 0 0 0 3
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 0 0 3 0 0 3
711 Memory (Electrical Computers and Digital Processing Systems) 0 1 0 2 0 3
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 0 1 0 2
057 Textiles: Spinning, Twisting, and Twining 0 2 0 0 0 2
071 Chemistry: Fertilizers 1 1 0 0 0 2
082 Turning (e.g., for metal working) 0 1 0 0 1 2
089 Ordnance 0 1 1 0 0 2
111 Planting 1 0 0 0 1 2
127 Sugar, Starch, and Carbohydrates 0 0 0 1 1 2
131 Tobacco 0 0 0 1 1 2
165 Heat Exchange 0 1 0 1 0 2
169 Fire Extinguishers 0 1 1 0 0 2
177 Weighing Scales 1 0 1 0 0 2
200 Electricity: Circuit Makers and Breakers 1 1 0 0 0 2
202 Distillation: Apparatus 0 0 0 0 2 2
216 Etching a Substrate: Processes 0 1 0 0 1 2
225 Severing by Tearing or Breaking 1 0 0 1 0 2
236 Automatic Temperature and Humidity Regulation 1 0 1 0 0 2
244 Aeronautics 0 0 0 2 0 2
271 Sheet Feeding or Delivering 0 0 2 0 0 2
281 Books, Strips, and Leaves 1 0 1 0 0 2
305 Wheel Substitutes for Land Vehicles 0 1 0 1 0 2
310 Electrical Generator or Motor Structure 1 1 0 0 0 2
324 Electricity: Measuring and Testing 0 1 0 0 1 2
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 1 0 0 1 2
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 0 1 0 1 0 2
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 1 1 2
361 Electricity: Electrical Systems and Devices 0 0 0 1 1 2
378 X-Ray or Gamma Ray Systems or Devices 1 0 0 0 1 2
392 Electric Resistance Heating Devices 0 0 0 0 2 2
396 Photography 1 1 0 0 0 2
403 Joints and Connections 0 0 0 0 2 2
410 Freight Accommodation On Freight Carrier 0 0 0 1 1 2
412 Bookbinding: Process and Apparatus 0 1 0 0 1 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 0 2 2
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 1 0 1 0 2
431 Combustion 0 0 0 1 1 2
451 Abrading 0 2 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 0 0 1 2
472 Amusement Devices 0 1 1 0 0 2
007 Compound Hand Tools 0 0 0 1 0 1
014 Bridges 0 0 0 1 0 1
027 Undertaking 0 1 0 0 0 1
055 Gas Separation 0 0 0 1 0 1
059 Chain, Staple, and Horseshoe Making 0 0 1 0 0 1
063 Jewelry 0 0 0 0 1 1
068 Textiles: Fluid Treating Apparatus 0 0 1 0 0 1
092 Expansible Chamber Devices 0 0 0 1 0 1
101 Printing 0 0 0 0 1 1
104 Railways 0 0 0 0 1 1
110 Furnaces 0 0 0 0 1 1
112 Sewing 0 1 0 0 0 1
116 Signals and Indicators 0 0 0 1 0 1
122 Liquid Heaters and Vaporizers 0 1 0 0 0 1
136 Batteries: Thermoelectric and Photoelectric 1 0 0 0 0 1
140 Wireworking 0 0 0 1 0 1
148 Metal Treatment 1 0 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 1 0 0 0 1
152 Resilient Tires and Wheels 0 0 0 0 1 1
168 Farriery 0 1 0 0 0 1
184 Lubrication 0 0 0 0 1 1
190 Trunks and Hand-Carried Luggage 0 0 0 1 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 0 1
215 Bottles and Jars 0 0 0 0 1 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 1
249 Static Molds 0 0 0 0 1 1
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1 0 0 0 0 1
269 Work Holders 0 0 0 0 1 1
283 Printed Matter 1 0 0 0 0 1
298 Land Vehicles: Dumping 0 0 0 0 1 1
301 Land Vehicles: Wheels and Axles 0 0 0 0 1 1
307 Electrical Transmission or Interconnection Systems 0 0 1 0 0 1
318 Electricity: Motive Power Systems 0 0 0 1 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 0 0 0 1
341 Coded Data Generation or Conversion 0 1 0 0 0 1
343 Communications: Radio Wave Antennas 0 0 0 0 1 1
347 Incremental Printing of Symbolic Information 1 0 0 0 0 1
358 Facsimile and Static Presentation Processing 0 0 0 0 1 1
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 1 0 1
363 Electric Power Conversion Systems 0 0 0 0 1 1
369 Dynamic Information Storage or Retrieval 0 0 1 0 0 1
370 Multiplex Communications 0 0 0 0 1 1
374 Thermal Measuring and Testing 0 1 0 0 0 1
384 Bearings 0 0 0 0 1 1
385 Optical Waveguides 0 0 0 0 1 1
400 Typewriting Machines 1 0 0 0 0 1
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 0 1 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 1 0 1
418 Rotary Expansible Chamber Devices 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.) 1 0 0 0 0 1
601 Surgery: Kinesitherapy 0 1 0 0 0 1
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 1 1
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 1 0 0 1
706 DP: Artificial Intelligence (Data Processing) 0 1 0 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 0 1 0 1
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 1 0 1
714 Error Detection/Correction and Fault Detection/Recovery 0 0 1 0 0 1
ALL ALL CLASSES 376 486 483 518 520 2383



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: April 9, 2002