G. L. Rexroth GmbH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4732076 Apparatus for the control of a hydromotorExpiredFeb 10, 82Mar 22, 88[F15B]
4519296 Control-circuit throttle valveExpiredMay 08, 84May 28, 85[F15B]
4411607 Internal gear machine with rotary pressure balanced valve discExpiredApr 15, 81Oct 25, 83[F04C]
4346645 Hydraulic axial piston engineExpiredNov 02, 79Aug 31, 82[F01B]
4310290 Radial piston pumpExpiredApr 05, 78Jan 12, 82[F04B]
4295000 Electrode-position control in arc furnacesExpiredJan 10, 80Oct 13, 81[H05B]
4277228 Radial piston pumpExpiredMay 16, 77Jul 07, 81[F04B]
4264288 Gerotor machine with flow control recesses in the inner gear memberExpiredJul 02, 79Apr 28, 81[F01C]
4257750 Radial piston pumpExpiredApr 16, 79Mar 24, 81[F04B]
4242942 Hydraulic positioner with feedback deviceExpiredMar 19, 79Jan 06, 81[F15B]
4194394 Flow meterExpiredMay 15, 78Mar 25, 80[G01F]
4194719 Hydraulic control valveExpiredApr 17, 78Mar 25, 80[F16K, F15B]

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