PIV Drives GmbH

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Patent Activity in the Last 10 Years

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8162785 Continuously variable conical pulley transmission with traction mechanism beltDec 18, 08Apr 24, 12[F16H]
7134356 Conveyor gear with return lockJan 18, 05Nov 14, 06[F16H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7955202 Hydraulically controlled cone disc continuously-variable transmissionExpiredJul 25, 07Jun 07, 11[F16K, F16H]
7090601 Tractor hitch transmissionExpiredJul 18, 03Aug 15, 06[F16H]
2005/0014,581 Infinitely adjustable cone pulley drive with torque sensorAbandonedJul 12, 04Jan 20, 05[F16H]

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