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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In U.S. Metropolitan and Micropolitan Areas
Breakout By Technology Class

Count of 2000 - 2011 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

Duluth, MN-WI

( Metropolitan Statistical Area )

( 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 )
( patent counts may not sum exactly due to rounding - see the Explanation of Data )
( regional areas are based on U.S. Core Based Statistical Area (CBSA) )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 0 3 3 2 0 0 4 2 2 0 1 17
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 2 4 4 0 0 1 0 0 0 0 11
180 Motor Vehicles 2 1 2 1 2 1 0 0 0 0 0 1 10
532 Organic Compounds (includes Classes 532-570) 0 2 2 0 2 2 0 0 0 0 0 0 8
250 Radiant Energy 0 0 1 0 0 0 1 0 1 1 1 2 7
356 Optics: Measuring and Testing 0 0 0 0 0 2 2 0 0 0 1 2 7
241 Solid Material Comminution or Disintegration 0 0 0 1 0 0 0 3 0 2 0 0 6
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 1 0 2 0 0 0 0 0 0 0 1 6
436 Chemistry: Analytical and Immunological Testing 0 0 0 0 0 0 0 0 0 0 0 5 5
030 Cutlery 0 0 1 0 1 1 0 0 0 0 0 1 4
042 Firearms 0 0 0 0 0 0 0 0 0 2 1 1 4
198 Conveyors: Power-Driven 0 1 0 0 1 0 0 0 0 2 0 0 4
428 Stock Material or Miscellaneous Articles 0 0 1 0 0 1 0 1 0 0 0 1 4
002 Apparel 0 0 0 0 0 0 0 0 1 0 0 2 3
081 Tools 0 0 1 0 1 0 0 0 0 0 1 0 3
119 Animal Husbandry 0 0 1 0 0 0 2 0 0 0 0 0 3
134 Cleaning and Liquid Contact with Solids 0 0 0 1 0 0 1 1 0 0 0 0 3
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 1 1 0 0 1 0 0 0 0 0 3
273 Amusement Devices: Games 0 0 0 0 0 0 2 1 0 0 0 0 3
294 Handling: Hand and Hoist-Line Implements 0 0 1 1 1 0 0 0 0 0 0 0 3
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 0 0 0 0 0 1 1 1 0 0 3
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 1 0 0 0 0 0 0 0 0 1 1 3
015 Brushing, Scrubbing, and General Cleaning 1 0 0 0 1 0 0 0 0 0 0 0 2
033 Geometrical Instruments 0 1 0 0 0 0 0 0 0 0 0 1 2
034 Drying and Gas or Vapor Contact with Solids 1 0 0 0 0 1 0 0 0 0 0 0 2
037 Excavating 1 0 0 0 0 0 0 0 0 0 1 0 2
043 Fishing, Trapping, and Vermin Destroying 0 0 1 1 0 0 0 0 0 0 0 0 2
073 Measuring and Testing 0 0 0 1 0 0 0 0 0 0 0 1 2
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 0 0 0 0 0 0 0 0 0 1 2
124 Mechanical Guns and Projectors 0 0 0 0 0 0 0 0 0 1 1 0 2
140 Wireworking 0 0 0 0 0 0 1 0 1 0 0 0 2
165 Heat Exchange 0 0 1 0 0 1 0 0 0 0 0 0 2
209 Classifying, Separating, and Assorting Solids 0 0 0 0 0 0 0 0 1 0 0 1 2
224 Package and Article Carriers 1 0 0 1 0 0 0 0 0 0 0 0 2
280 Land Vehicles 0 0 0 1 0 1 0 0 0 0 0 0 2
362 Illumination 1 1 0 0 0 0 0 0 0 0 0 0 2
426 Food or Edible Material: Processes, Compositions, and Products 0 0 1 0 0 0 0 0 0 1 0 0 2
434 Education and Demonstration 0 0 0 0 0 0 1 1 0 0 0 0 2
446 Amusement Devices: Toys 0 0 1 1 0 0 0 0 0 0 0 0 2
482 Exercise Devices 0 0 1 0 0 0 1 0 0 0 0 0 2
602 Surgery: Splint, Brace, or Bandage 1 0 0 0 0 1 0 0 0 0 0 0 2
007 Compound Hand Tools 1 0 0 0 0 0 0 0 0 0 0 0 1
012 Boot and Shoe Making 0 0 0 0 0 0 0 0 1 0 0 0 1
040 Card, Picture, or Sign Exhibiting 0 0 0 0 1 0 0 0 0 0 0 0 1
044 Fuel and Related Compositions 0 0 0 0 0 0 0 0 0 0 1 0 1
047 Plant Husbandry 0 0 0 0 0 0 0 0 0 0 0 1 1
052 Static Structures (e.g., Buildings) 0 0 1 0 0 0 0 0 0 0 0 0 1
062 Refrigeration 0 0 0 0 0 0 0 0 0 0 1 0 1
072 Metal Deforming 0 0 0 0 1 0 0 0 0 0 0 0 1
083 Cutting 0 0 0 1 0 0 0 0 0 0 0 0 1
092 Expansible Chamber Devices 0 0 0 0 0 0 0 0 0 0 0 1 1
096 Gas Separation: Apparatus 0 0 0 1 0 0 0 0 0 0 0 0 1
114 Ships 0 0 0 0 0 0 0 0 0 1 0 0 1
128 Surgery (includes Class 600) 0 0 1 0 0 0 0 0 0 0 0 0 1
175 Boring or Penetrating the Earth 0 0 1 0 0 0 0 0 0 0 0 0 1
206 Special Receptacle or Package 1 0 0 0 0 0 0 0 0 0 0 0 1
219 Electric Heating 0 0 0 1 0 0 0 0 0 0 0 0 1
220 Receptacles 0 0 0 0 0 0 0 0 0 1 0 0 1
232 Deposit and Collection Receptacles 0 0 0 0 0 0 1 0 0 0 0 0 1
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 0 0 0 0 0 0 0 0 1 0 1
249 Static Molds 0 0 0 0 0 0 0 0 0 0 1 0 1
266 Metallurgical Apparatus 0 0 0 0 0 0 0 0 0 1 0 0 1
297 Chairs and Seats 0 0 0 0 0 0 0 0 0 1 0 0 1
301 Land Vehicles: Wheels and Axles 0 0 0 1 0 0 0 0 0 0 0 0 1
324 Electricity: Measuring and Testing 0 0 0 0 0 0 0 0 0 0 1 0 1
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 1 0 0 0 0 0 0 0 1
348 Television 0 0 0 0 0 0 0 0 0 1 0 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 0 0 0 0 1 0 0 0 1
359 Optical: Systems and Elements 0 0 0 0 0 0 1 0 0 0 0 0 1
368 Horology: Time Measuring Systems or Devices 0 1 0 0 0 0 0 0 0 0 0 0 1
374 Thermal Measuring and Testing 0 0 1 0 0 0 0 0 0 0 0 0 1
385 Optical Waveguides 0 0 0 0 0 0 0 0 0 0 0 1 1
398 Optical Communications 0 0 0 0 0 0 0 0 0 0 1 0 1
401 Coating Implements with Material Supply 0 0 0 1 0 0 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 0 1 0 0 0 0 0 0 0 0 1
410 Freight Accommodation On Freight Carrier 0 0 0 0 0 0 0 0 0 0 0 1 1
414 Material or Article Handling 0 0 0 0 0 0 0 0 0 1 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 0 0 0 1 0 0 0 0 1
435 Chemistry: Molecular Biology and Microbiology 0 0 0 0 0 0 0 0 0 1 0 0 1
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 0 1 0 0 0 0 0 0 1
450 Foundation Garments 0 1 0 0 0 0 0 0 0 0 0 0 1
473 Games Using Tangible Projectile 0 0 0 0 0 0 0 0 0 0 1 0 1
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 0 0 0 0 0 0 0 0 0 0 0 1
604 Surgery (Medicators and Receptors) 0 0 0 1 0 0 0 0 0 0 0 0 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 1
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 0 0 0 0 1 0 0 0 1
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 0 0 0 0 1 0 0 0 0 1
ALL ALL CLASSES 15 10 25 26 18 12 14 15 10 19 14 26 204

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
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/

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Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports