ROCKFORD POWERTRAIN, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 487

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6183370 Dust cap assembly having two snap ring securing mechanism in a slip spline assemblyOct 26, 98Feb 06, 01[F16D]
5947247 Continuously variable fan drive clutchApr 21, 97Sep 07, 99[F16D]
5937979 Continuosly variable fan drive clutchApr 21, 97Aug 17, 99[F16D]
5855266 Fan clutch for vehicles configured for low engine speedApr 22, 97Jan 05, 99[F16D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5667045 Continuously variable fan drive clutch arrangementExpiredSep 19, 95Sep 16, 97[F16D]
5078533 Driveline yoke with improved seal retainerExpiredJul 01, 91Jan 07, 92[B25G]
4674609 Torsional vibration dampening systemExpiredJun 03, 85Jun 23, 87[B60K, F16D]
4637504 Combination range and master clutch assemblyExpiredApr 03, 85Jan 20, 87[F16D]
4535879 Control system for controlling the engagement of a pressure-operated actuatorExpiredFeb 29, 84Aug 20, 85[F16D]
4489680 Engine temperature control systemExpiredJan 23, 84Dec 25, 84[F01P]
4474082 Control system for power shifted transmissionExpiredSep 11, 81Oct 02, 84[B60K, F16D]
4352276 Constant velocity universal joint with improved centering device and boot sealExpiredDec 15, 80Oct 05, 82[F16D]

Top Inventors for This Owner

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