Assignee
REXROTH SIGMA
FR·15 granted patents·314 citations·filing 1976–1995
Top patents by PatentIndex Score
15 records- 0186US5305789AHydraulic directional control valve combining pressure compensation and maximum pressure selection for controlling a feed pump, and multiple hydraulic control apparatus including a plurality of such valvesREXROTH SIGMA·Filed 1993·Granted Apr 26, 1994·72 cites·14 claims
- 0284USD357947SJoystickREXROTH SIGMA·Filed 1994·Granted May 2, 1995·32 cites·1 claims
- 0378US4184512AFluid distributing devices, particularly for hydraulic remote controlREXROTH SIGMA·Filed 1977·Granted Jan 22, 1980·40 cites·10 claims
- 0473US4782859APressurized hydraulic fluid spool valveREXROTH SIGMA·Filed 1987·Granted Nov 8, 1988·40 cites·8 claims
- 0567US4566492AFluid distributing device, more especially for remote controlREXROTH SIGMA·Filed 1984·Granted Jan 28, 1986·27 cites·11 claims
- 0656US5140320AElectric remote control device including pairs of sliding pushersREXROTH SIGMA·Filed 1990·Granted Aug 18, 1992·23 cites·14 claims
- 0755US5160928ASystem for regulating the mean current flowing through the load of an electric remote control deviceREXROTH SIGMA·Filed 1990·Granted Nov 3, 1992·21 cites·17 claims
- 0845US5164722AMethod of calibrating an electric remote control device of the manipulator type, and device adapted for implementing this methodREXROTH SIGMA·Filed 1990·Granted Nov 17, 1992·15 cites·13 claims
- 0944US5466923AMethod and circuit for compensating the drift of the output signal of a photoelectric sensor in an electrical remote control apparatus, and remote control apparatus realizing this method and this arrangementREXROTH SIGMA·Filed 1994·Granted Nov 14, 1995·10 cites·47 claims
- 1039US4108582ACasing for gear pump or motorREXROTH SIGMA·Filed 1976·Granted Aug 22, 1978·9 cites·11 claims
- 1136US5279331ADistributor valve device for hydraulic remote controlREXROTH SIGMA·Filed 1993·Granted Jan 18, 1994·6 cites·4 claims
- 1235US5546750AHydraulic circuit for pressure-controlling a hydraulic distributor of the open-center typeREXROTH SIGMA·Filed 1995·Granted Aug 20, 1996·6 cites·5 claims
- 1329US4570671AFluid distributorsREXROTH SIGMA·Filed 1984·Granted Feb 18, 1986·5 cites·8 claims
- 1426US4520845AHydraulic distributorsREXROTH SIGMA·Filed 1982·Granted Jun 4, 1985·4 cites·8 claims
- 1525US4643044AClamping of machine casings formed from at least two parts one of which is made from a metal of relatively low hardnessREXROTH SIGMA·Filed 1985·Granted Feb 17, 1987·4 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →