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

Patenting In Metropolitan and Non-Metropolitan Areas of the United States
Breakout By Technology Class
1995 - 1999 Utility Patent Grants

[Explanation of Data]

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

Duluth-Superior, MN-WI MSA

(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')

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Class 623 , Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 1 4 6

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Class 134 , Cleaning and Liquid Contact with Solids

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 2 0 2 0 4

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Class 249 , Static Molds

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 0 0 1 0 4

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Class 180 , Motor Vehicles

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 2 3

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Class 241 , Solid Material Comminution or Disintegration

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 1 0 1 3

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Class 405 , Hydraulic and Earth Engineering

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 2 0 3

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Class 424 , Drug, Bio-Affecting and Body Treating Compositions

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 2 3

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Class 430 , Radiation Imagery Chemistry: Process, Composition, or Product Thereof

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 1 0 0 3

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Class 030 , Cutlery

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 2 2

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Class 034 , Drying and Gas or Vapor Contact with Solids

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 1 2

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Class 052 , Static Structures (e.g., Buildings)

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 1 0 2

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Class 074 , Machine Element or Mechanism

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 1 2

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Class 110 , Furnaces

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 1 0 2

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Class 166 , Wells

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 1 0 2

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Class 182 , Fire Escape, Ladder, or Scaffold

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 1 2

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Class 222 , Dispensing

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 2 2

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Class 229 , Envelopes, Wrappers, and Paperboard Boxes

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 1 0 2

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Class 246 , Railway Switches and Signals

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 1 0 0 2

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Class 248 , Supports

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 2 0 0 0 2

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Class 250 , Radiant Energy

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 1 2

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Class 303 , Fluid-Pressure and Analogous Brake Systems

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 1 0 0 2

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Class 340 , Communications: Electrical

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 1 2

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Class 428 , Stock Material or Miscellaneous Articles

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 2 2

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Class 002 , Apparel

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 015 , Brushing, Scrubbing, and General Cleaning

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 037 , Excavating

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 040 , Card, Picture, or Sign Exhibiting

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 0 1

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Class 043 , Fishing, Trapping, and Vermin Destroying

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 0 1

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Class 073 , Measuring and Testing

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 0 1

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Class 075 , Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 0 1

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Class 089 , Ordnance

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 0 1

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Class 100 , Presses

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 0 1

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Class 132 , Toilet

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 0 1

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Class 135 , Tent, Canopy, Umbrella, or Cane

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 137 , Fluid Handling

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 156 , Adhesive Bonding and Miscellaneous Chemical Manufacture

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 0 1

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Class 165 , Heat Exchange

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 177 , Weighing Scales

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 198 , Conveyors: Power-Driven

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 206 , Special Receptacle or Package

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 0 1

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Class 209 , Classifying, Separating, and Assorting Solids

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 0 1

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Class 220 , Receptacles

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 0 1

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Class 232 , Deposit and Collection Receptacles

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 237 , Heating Systems

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 238 , Railways: Surface Track

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 269 , Work Holders

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 0 1

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Class 273 , Amusement Devices: Games

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 296 , Land Vehicles: Bodies and Tops

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 315 , Electric Lamp and Discharge Devices: Systems

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 0 1

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Class 323 , Electricity: Power Supply or Regulation Systems

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 356 , Optics: Measuring and Testing

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 362 , Illumination

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 0 1

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Class 383 , Flexible Bags

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 0 1

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Class 384 , Bearings

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 403 , Joints and Connections

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 408 , Cutting by Use of Rotating Axially Moving Tool

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 414 , Material or Article Handling

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 0 0 1

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Class 416 , Fluid Reaction Surfaces (i.e., Impellers)

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 0 1

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Class 422 , Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 0 1

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Class 427 , Coating Processes

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 0 1

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Class 435 , Chemistry: Molecular Biology and Microbiology

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 436 , Chemistry: Analytical and Immunological Testing

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 1 1

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Class 451 , Abrading

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 0 0 1

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Class 482 , Exercise Devices

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 0 0 1

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Class 514 , Drug, Bio-Affecting and Body Treating Compositions

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 1 0 1

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Class ALL, --- ALL CLASSES ---
Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 16 19 15 19 32 101
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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: 1 June 2000