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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 1998 - 2002 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' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 1998 1999 2000 2001 2002 Total
532 Organic Compounds (includes Classes 532-570) 34 42 23 28 16 143
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 25 24 27 35 29 140
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 24 17 13 17 26 97
210 Liquid Purification or Separation 15 18 18 25 10 86
405 Hydraulic and Earth Engineering 10 14 13 11 14 62
175 Boring or Penetrating the Earth 6 13 14 17 10 60
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 18 5 10 14 6 53
208 Mineral Oils: Processes and Products 6 19 10 12 5 52
606 Surgery (instruments) 5 6 7 13 11 42
435 Chemistry: Molecular Biology and Microbiology 10 4 7 7 9 37
137 Fluid Handling 4 6 8 12 6 36
128 Surgery (includes Class 600) 7 7 4 10 7 35
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 4 10 9 5 3 31
043 Fishing, Trapping, and Vermin Destroying 2 7 9 5 7 30
114 Ships 1 3 8 11 7 30
604 Surgery (Medicators and Receptors) 7 6 3 6 8 30
081 Tools 4 6 6 6 4 26
198 Conveyors: Power-Driven 2 4 4 5 11 26
280 Land Vehicles 4 6 5 5 4 24
585 Chemistry of Hydrocarbon Compounds 10 5 4 2 3 24
052 Static Structures (e.g., Buildings) 2 5 3 4 9 23
073 Measuring and Testing 8 5 2 2 5 22
294 Handling: Hand and Hoist-Line Implements 7 3 5 3 4 22
099 Foods and Beverages: Apparatus 5 2 6 3 5 21
340 Communications: Electrical 3 4 8 5 1 21
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 4 7 6 3 1 21
002 Apparel 3 2 3 7 5 20
062 Refrigeration 2 5 5 5 3 20
134 Cleaning and Liquid Contact with Solids 5 7 5 1 2 20
206 Special Receptacle or Package 2 5 7 2 4 20
440 Marine Propulsion 5 4 4 2 4 19
182 Fire Escape, Ladder, or Scaffold 5 3 3 3 4 18
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 2 9 3 2 18
452 Butchering 1 3 7 5 2 18
426 Food or Edible Material: Processes, Compositions, and Products 4 1 5 5 2 17
507 Earth Boring, Well Treating, and Oil Field Chemistry 3 2 3 3 6 17
030 Cutlery 2 3 2 3 6 16
224 Package and Article Carriers 2 2 5 2 5 16
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 2 5 4 3 16
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 6 2 3 3 2 16
029 Metal Working 3 1 6 2 3 15
241 Solid Material Comminution or Disintegration 3 4 3 3 2 15
285 Pipe Joints or Couplings 2 1 5 3 4 15
423 Chemistry of Inorganic Compounds 1 5 3 2 4 15
060 Power Plants 4 2 2 2 4 14
248 Supports (e.g., for holding articles, etc.) 3 3 1 6 1 14
209 Classifying, Separating, and Assorting Solids 2 1 3 5 2 13
417 Pumps 1 2 3 2 5 13
428 Stock Material or Miscellaneous Articles 4 5 1 0 3 13
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 2 2 6 1 13
015 Brushing, Scrubbing, and General Cleaning 0 3 5 2 2 12
119 Animal Husbandry 4 1 3 3 1 12
172 Earth Working 2 4 2 2 2 12
252 Compositions 1 3 4 2 2 12
433 Dentistry 3 4 2 1 2 12
004 Baths, Closets, Sinks, and Spittoons 5 0 4 0 2 11
033 Geometrical Instruments 2 1 2 2 4 11
220 Receptacles 3 3 3 1 1 11
221 Article Dispensing 2 3 1 3 2 11
222 Dispensing (apparatus and process) 2 4 1 1 3 11
296 Land Vehicles: Bodies and Tops 3 2 3 3 0 11
297 Chairs and Seats 3 2 1 2 3 11
362 Illumination 1 2 4 3 1 11
473 Games Using Tangible Projectile 2 1 3 2 3 11
108 Horizontally Supported Planar Surfaces 3 0 4 3 0 10
251 Valves and Valve Actuation 1 3 2 3 1 10
375 Pulse or Digital Communications 2 5 2 0 1 10
024 Buckles, Buttons, Clasps, Etc. 1 2 5 1 0 9
070 Locks 6 2 1 0 0 9
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1 1 2 1 4 9
211 Supports: Racks 3 1 1 2 2 9
228 Metal Fusion Bonding 2 1 0 4 2 9
434 Education and Demonstration 4 3 1 0 1 9
446 Amusement Devices: Toys 4 1 4 0 0 9
106 Compositions: Coating or Plastic 2 1 1 3 1 8
181 Acoustics 2 3 1 1 1 8
242 Winding, Tensioning, or Guiding 5 2 0 1 0 8
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 2 3 1 1 8
277 Seal for a Joint or Juncture 2 0 2 3 1 8
414 Material or Article Handling 0 4 2 1 1 8
439 Electrical Connectors 1 1 2 2 2 8
482 Exercise Devices 2 2 3 0 1 8
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 3 0 1 1 8
005 Beds 2 1 3 0 1 7
042 Firearms 1 1 2 3 0 7
056 Harvesters 2 0 2 1 2 7
084 Music 0 2 3 2 0 7
123 Internal-Combustion Engines 2 0 2 1 2 7
180 Motor Vehicles 2 3 1 1 0 7
204 Chemistry: Electrical and Wave Energy 1 2 1 3 0 7
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 1 3 2 0 7
359 Optics: Systems (Including Communication) and Elements 1 0 3 2 1 7
381 Electrical Audio Signal Processing Systems and Devices 2 1 0 0 4 7
401 Coating Implements with Material Supply 0 2 2 1 2 7
588 Hazardous or Toxic Waste Destruction or Containment 2 3 0 1 1 7
034 Drying and Gas or Vapor Contact with Solids 3 1 0 1 1 6
037 Excavating 0 2 1 1 2 6
049 Movable or Removable Closures 0 2 2 1 1 6
083 Cutting 0 2 3 1 0 6
132 Toilet 1 1 3 1 0 6
135 Tent, Canopy, Umbrella, or Cane 1 0 3 0 2 6
138 Pipes and Tubular Conduits 2 2 1 1 0 6
212 Traversing Hoists 1 1 1 1 2 6
219 Electric Heating 1 0 0 3 2 6
238 Railways: Surface Track 2 0 1 1 2 6
250 Radiant Energy 1 2 1 1 1 6
273 Amusement Devices: Games 2 2 1 1 0 6
383 Flexible Bags 0 2 2 0 2 6
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 1 2 0 3 6
463 Amusement Devices: Games 2 1 0 0 3 6
504 Plant Protecting and Regulating Compositions 3 3 0 0 0 6
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 3 2 0 1 0 6
040 Card, Picture, or Sign Exhibiting 0 1 2 0 2 5
044 Fuel and Related Compositions 2 0 1 2 0 5
074 Machine Element or Mechanism 0 0 2 2 1 5
096 Gas Separation: Apparatus 0 2 2 1 0 5
100 Presses 1 1 2 1 0 5
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 2 2 0 1 5
174 Electricity: Conductors and Insulators 0 1 1 2 1 5
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 1 3 0 5
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1 1 0 2 1 5
239 Fluid Sprinkling, Spraying, and Diffusing 2 0 0 1 2 5
324 Electricity: Measuring and Testing 1 0 0 1 3 5
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 1 1 0 2 5
348 Television 1 2 1 1 0 5
356 Optics: Measuring and Testing 1 1 1 2 0 5
366 Agitating (e.g., of articles and materials) 2 1 0 0 2 5
404 Road Structure, Process, or Apparatus 0 1 3 0 1 5
410 Freight Accommodation On Freight Carrier 0 0 1 1 3 5
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 1 1 2 1 5
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 2 3 5
016 Miscellaneous Hardware 1 1 0 1 1 4
036 Boots, Shoes, and Leggings 3 0 0 1 0 4
095 Gas Separation: Processes 1 1 1 1 0 4
102 Ammunition and Explosives 1 0 2 1 0 4
124 Mechanical Guns and Projectors 0 1 3 0 0 4
126 Stoves and Furnaces 1 2 1 0 0 4
127 Sugar, Starch, and Carbohydrates 0 0 1 1 2 4
131 Tobacco 0 0 1 1 2 4
144 Woodworking 0 1 0 2 1 4
162 Paper Making and Fiber Liberation 2 2 0 0 0 4
173 Tool Driving or Impacting 2 0 1 0 1 4
203 Distillation: Processes, Separatory 0 2 0 0 2 4
229 Envelopes, Wrappers, and Paperboard Boxes 0 1 1 1 1 4
406 Conveyors: Fluid Current 2 0 1 0 1 4
415 Rotary Kinetic Fluid Motors or Pumps 1 0 0 2 1 4
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 1 0 2 0 4
431 Combustion 0 0 1 1 2 4
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 3 0 0 0 1 4
607 Surgery: Light, Thermal, and Electrical Application 1 0 2 1 0 4
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 1 1 1 0 4
711 Memory (Electrical Computers and Digital Processing Systems) 1 0 2 0 1 4
047 Plant Husbandry 1 0 1 1 0 3
053 Package Making 0 0 1 1 1 3
072 Metal Deforming 1 1 0 1 0 3
165 Heat Exchange 1 0 1 0 1 3
169 Fire Extinguishers 1 1 0 0 1 3
202 Distillation: Apparatus 0 0 0 2 1 3
260 Chemistry of Carbon Compounds 0 0 1 2 0 3
261 Gas and Liquid Contact Apparatus 0 1 1 0 1 3
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 1 1 1 3
379 Telephonic Communications 1 0 0 2 0 3
382 Image Analysis 1 0 0 1 1 3
416 Fluid Reaction Surfaces (i.e., Impellers) 1 0 0 2 0 3
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 0 1 0 1 3
454 Ventilation 1 0 2 0 0 3
455 Telecommunications 0 1 0 2 0 3
602 Surgery: Splint, Brace, or Bandage 2 0 1 0 0 3
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 1 2 3
014 Bridges 0 0 1 0 1 2
057 Textiles: Spinning, Twisting, and Twining 2 0 0 0 0 2
063 Jewelry 0 0 0 1 1 2
068 Textiles: Fluid Treating Apparatus 0 1 0 0 1 2
082 Turning (e.g., for metal working) 1 0 0 1 0 2
089 Ordnance 1 1 0 0 0 2
116 Signals and Indicators 0 0 1 0 1 2
160 Flexible or Portable Closure, Partition, or Panel 0 1 1 0 0 2
188 Brakes 0 1 1 0 0 2
216 Etching a Substrate: Processes 1 0 0 1 0 2
223 Apparel Apparatus 1 0 1 0 0 2
244 Aeronautics 0 0 2 0 0 2
271 Sheet Feeding or Delivering 0 2 0 0 0 2
292 Closure Fasteners 1 0 0 0 1 2
305 Wheel Substitutes for Land Vehicles 1 0 1 0 0 2
312 Supports: Cabinet Structure 0 2 0 0 0 2
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 0 0 1 0 2
343 Communications: Radio Wave Antennas 0 0 0 1 1 2
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 1 0 1 0 0 2
360 Dynamic Magnetic Information Storage or Retrieval 0 0 1 0 1 2
361 Electricity: Electrical Systems and Devices 0 0 1 1 0 2
363 Electric Power Conversion Systems 0 0 0 1 1 2
368 Horology: Time Measuring Systems or Devices 1 0 0 1 0 2
385 Optical Waveguides 0 0 0 1 1 2
392 Electric Resistance Heating Devices 0 0 0 2 0 2
403 Joints and Connections 0 0 0 2 0 2
409 Gear Cutting, Milling, or Planing 0 0 1 1 0 2
412 Bookbinding: Process and Apparatus 1 0 0 1 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 2 0 2
427 Coating Processes 1 1 0 0 0 2
436 Chemistry: Analytical and Immunological Testing 1 1 0 0 0 2
451 Abrading 2 0 0 0 0 2
472 Amusement Devices 1 1 0 0 0 2
601 Surgery: Kinesitherapy 1 0 0 0 1 2
707 DP: Database and File Management or Data Structures (Data Processing) 0 2 0 0 0 2
007 Compound Hand Tools 0 0 1 0 0 1
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 0 1
027 Undertaking 1 0 0 0 0 1
055 Gas Separation 0 0 1 0 0 1
059 Chain, Staple, and Horseshoe Making 0 1 0 0 0 1
071 Chemistry: Fertilizers 1 0 0 0 0 1
092 Expansible Chamber Devices 0 0 1 0 0 1
101 Printing 0 0 0 1 0 1
104 Railways 0 0 0 1 0 1
110 Furnaces 0 0 0 1 0 1
111 Planting 0 0 0 1 0 1
112 Sewing 1 0 0 0 0 1
118 Coating Apparatus 0 0 1 0 0 1
122 Liquid Heaters and Vaporizers 1 0 0 0 0 1
140 Wireworking 0 0 1 0 0 1
150 Purses, Wallets, and Protective Covers 1 0 0 0 0 1
152 Resilient Tires and Wheels 0 0 0 1 0 1
168 Farriery 1 0 0 0 0 1
177 Weighing Scales 0 1 0 0 0 1
184 Lubrication 0 0 0 1 0 1
190 Trunks and Hand-Carried Luggage 0 0 1 0 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 1 0 0 1
200 Electricity: Circuit Makers and Breakers 1 0 0 0 0 1
215 Bottles and Jars 0 0 0 1 0 1
225 Severing by Tearing or Breaking 0 0 1 0 0 1
226 Advancing Material of Indeterminate Length 0 1 0 0 0 1
236 Automatic Temperature and Humidity Regulation 0 1 0 0 0 1
249 Static Molds 0 0 0 1 0 1
269 Work Holders 0 0 0 1 0 1
281 Books, Strips, and Leaves 0 1 0 0 0 1
298 Land Vehicles: Dumping 0 0 0 1 0 1
301 Land Vehicles: Wheels and Axles 0 0 0 1 0 1
307 Electrical Transmission or Interconnection Systems 0 1 0 0 0 1
310 Electrical Generator or Motor Structure 1 0 0 0 0 1
318 Electricity: Motive Power Systems 0 0 1 0 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 1 1
341 Coded Data Generation or Conversion 1 0 0 0 0 1
355 Photocopying 0 0 0 0 1 1
358 Facsimile and Static Presentation Processing 0 0 0 1 0 1
369 Dynamic Information Storage or Retrieval 0 1 0 0 0 1
370 Multiplex Communications 0 0 0 1 0 1
374 Thermal Measuring and Testing 1 0 0 0 0 1
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 1 0 1
384 Bearings 0 0 0 1 0 1
396 Photography 1 0 0 0 0 1
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 1 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 1 0 0 1
418 Rotary Expansible Chamber Devices 0 0 0 0 1 1
420 Alloys or Metallic Compositions 0 0 0 0 1 1
441 Buoys, Rafts, and Aquatic Devices 0 0 0 1 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 0 1
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 1 0 0 0 1
706 DP: Artificial Intelligence (Data Processing) 1 0 0 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 1 0 0 1
713 Support (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
714 Error Detection/Correction and Fault Detection/Recovery 0 1 0 0 0 1
715 DP: Presentation Processing of Document (Data Processing) 0 1 0 0 0 1
ALL ALL CLASSES 486 483 518 520 445 2452


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