CIRCLE SEAL CONTROLS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60C VEHICLE TYRES 149
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7318426 Fuel-control manifold with broad-range temperature and pressure capabilityOct 05, 01Jan 15, 08[F02B]
6953048 Modular surface-mount fluid-flow systemSep 07, 01Oct 11, 05[F16K]
5743285 Gas cylinder thermal relief valveApr 17, 96Apr 28, 98[F16L]
5181977 Tire inflation valve having overpressure and flow controlMay 13, 91Jan 26, 93[B60C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0215,833 Strap actuated flapper valveAbandonedMar 17, 06Sep 20, 07[F16K]
2006/0225,794 VENT AND RELIEF VALVEAbandonedApr 06, 06Oct 12, 06[F16K]
6439334 Alternative fuels vehicle and fuel-system valve used thereinExpiredSep 15, 00Aug 27, 02[F16K, B60K, A01G]
5158106 Ultra-low heat leak cryogenic valveExpiredJun 06, 91Oct 27, 92[F16L]
5123442 Regulating shut off valveExpiredApr 30, 91Jun 23, 92[F16K, G05D]
4888541 Method and apparatus for controlling stepmotor mechanical drivesExpiredOct 23, 87Dec 19, 89[H02P]
4819688 Volumetric, self-resetting, hydraulic fuseExpiredSep 06, 88Apr 11, 89[F16K]
D299950 Combined seal-off valve body and capExpiredAug 19, 85Feb 21, 89[]
4624032 Slide fastener slider with detachable pull tabExpiredOct 04, 85Nov 25, 86[A44B]
4537384 In-line check valve having combined downstream poppet support and flow control elementsExpiredJul 17, 84Aug 27, 85[F16K]
4415001 Pressure rise rate limiter valveExpiredApr 24, 81Nov 15, 83[F16K]
4408632 High flow shroud check valveExpiredApr 23, 81Oct 11, 83[F16K]
4407326 Valve actuating mechanismExpiredJul 29, 81Oct 04, 83[F16K]
4328822 Breakaway coupling assemblyExpiredJan 15, 80May 11, 82[F16K]

Top Inventors for This Owner

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