Twin Rivers Engineering, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7022993 Infrared leak detectorJul 26, 04Apr 04, 06[G01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6791088 Infrared leak detectorExpiredMay 03, 02Sep 14, 04[G01J, G01M]
5256703 Abrasive propellant for cleaning of surfaces and machineryExpiredSep 12, 91Oct 26, 93[C08L]
5098621 Method of forming a foam substrate and micropackaged active ingredient particle compositeExpiredApr 10, 89Mar 24, 92[B29C]
4828542 Foam substrate and micropackaged active ingredient particle composite dispensing materialsExpiredAug 29, 86May 09, 89[A61M]
4619948 Composite active filter materialExpiredJan 07, 85Oct 28, 86[A24B, C08G, B29C]
4434576 Support system for planting traysExpiredMay 10, 82Mar 06, 84[A47C]
4422990 Method and apparatus for making soil plugsExpiredApr 01, 82Dec 27, 83[B29D]
4294179 Dibble tube soil plug planterExpiredAug 01, 79Oct 13, 81[A01C]

Top Inventors for This Owner

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