Assignee
LEDUC RENE HYDRO SA
FR·11 granted patents·138 citations·filing 1980–1997
Top patents by PatentIndex Score
11 records- 0170US6264437B1High pressure pump for all liquidsLEDUC RENE HYDRO SA·Filed 1997·Granted Jul 24, 2001·28 cites·25 claims
- 0270US4486152APump with spring loaded valveLEDUC RENE HYDRO SA·Filed 1980·Granted Dec 4, 1984·21 cites·8 claims
- 0368US4449552APrestressed assembled oleo-pneumatic accumulatorsLEDUC RENE HYDRO SA·Filed 1982·Granted May 22, 1984·16 cites·15 claims
- 0459US4603711APrestressed hydraulic accumulatorLEDUC RENE HYDRO SA·Filed 1984·Granted Aug 5, 1986·12 cites·14 claims
- 0557US5354181AHydraulic piston pumps equipped with suction valveLEDUC RENE HYDRO SA·Filed 1993·Granted Oct 11, 1994·18 cites·26 claims
- 0656US4492013AMethod for manufacturing a prestressed hydraulic accumulatorLEDUC RENE HYDRO SA·Filed 1981·Granted Jan 8, 1985·11 cites·5 claims
- 0746US5032061AHydraulic pumpsLEDUC RENE HYDRO SA·Filed 1988·Granted Jul 16, 1991·10 cites·16 claims
- 0841US4964345ARail car axle with axial hydraulic pumpLEDUC RENE HYDRO SA·Filed 1988·Granted Oct 23, 1990·8 cites·7 claims
- 0938US4629400AHydraulic pump with pistons and controlled suction valvesLEDUC RENE HYDRO SA·Filed 1984·Granted Dec 16, 1986·5 cites·5 claims
- 1036US5554008AHigh-pressure pump to feed internal-combustion engine fuel-injectionsLEDUC RENE HYDRO SA·Filed 1994·Granted Sep 10, 1996·6 cites·12 claims
- 1130US5395125ARotating joint for hydraulic systemLEDUC RENE HYDRO SA·Filed 1993·Granted Mar 7, 1995·3 cites·8 claims
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