Assignee
HEILMEIER & WEINLEIN
US·34 granted patents·466 citations·filing 1975–2002
Top patents by PatentIndex Score
34 records- 0197US5259293AHydraulic control deviceHEILMEIER & WEINLEIN·Filed 1992·Granted Nov 9, 1993·75 cites·11 claims
- 0291US6524084B2Motor pump unitHEILMEIER & WEINLEIN·Filed 2001·Granted Feb 25, 2003·52 cites·12 claims
- 0391US5191826AHydraulic control deviceHEILMEIER & WEINLEIN·Filed 1991·Granted Mar 9, 1993·47 cites·10 claims
- 0486US3992133APressure fluid pumpHEILMEIER & WEINLEIN·Filed 1975·Granted Nov 16, 1976·40 cites·17 claims
- 0575US6017015AMagnetically operated drain valve of an electrohydraulic lifting moduleHEILMEIER & WEINLEIN·Filed 1997·Granted Jan 25, 2000·25 cites·8 claims
- 0669US6220027B1Stacker controlHEILMEIER & WEINLEIN·Filed 1999·Granted Apr 24, 2001·27 cites·8 claims
- 0761US6739129B2Electrohydraulic motor pump aggregate, attachable element and pressure limiting valveHEILMEIER & WEINLEIN·Filed 2002·Granted May 25, 2004·10 cites·12 claims
- 0861US4811649AHydraulic control apparatusHEILMEIER & WEINLEIN·Filed 1988·Granted Mar 14, 1989·15 cites·12 claims
- 0954US4557294AControl valve with piston compensated by discharge pressureHEILMEIER & WEINLEIN·Filed 1984·Granted Dec 10, 1985·12 cites·20 claims
- 1053US6341761B1Seated valveHEILMEIER & WEINLEIN·Filed 2000·Granted Jan 29, 2002·6 cites·11 claims
- 1153US5063961AScrew-type valve housingHEILMEIER & WEINLEIN·Filed 1988·Granted Nov 12, 1991·13 cites·14 claims
- 1252US4594056AHydraulic pump unitHEILMEIER & WEINLEIN·Filed 1980·Granted Jun 10, 1986·13 cites·7 claims
- 1351US6202685B1Electrohydraulic clamping moduleHEILMEIER & WEINLEIN·Filed 1999·Granted Mar 20, 2001·11 cites·12 claims
- 1451US4744542AHydraulic control apparatusHEILMEIER & WEINLEIN·Filed 1987·Granted May 17, 1988·10 cites·10 claims
- 1547US5996466ALoad holding valveHEILMEIER & WEINLEIN·Filed 1998·Granted Dec 7, 1999·9 cites·11 claims
- 1646US6761186B2Seated-type valve for a double-action cylinder of an electric disconnectorHEILMEIER & WEINLEIN·Filed 2002·Granted Jul 13, 2004·5 cites·12 claims
- 1746US6237624B1Seat valveHEILMEIER & WEINLEIN·Filed 1999·Granted May 29, 2001·9 cites·8 claims
- 1846US4590958ATwo-position switching valve having hydraulic self-holding propertiesHEILMEIER & WEINLEIN·Filed 1985·Granted May 27, 1986·12 cites·7 claims
- 1945US6176261B1Hydraulic control deviceHEILMEIER & WEINLEIN·Filed 1999·Granted Jan 23, 2001·8 cites·14 claims
- 2045US5263400AHydraulic control deviceHEILMEIER & WEINLEIN·Filed 1992·Granted Nov 23, 1993·15 cites·8 claims
- 2142US4863141AElectromagnetically operable valveHEILMEIER & WEINLEIN·Filed 1984·Granted Sep 5, 1989·8 cites·4 claims
- 2241US4495961AFlow dividerHEILMEIER & WEINLEIN·Filed 1983·Granted Jan 29, 1985·6 cites·15 claims
- 2339US4323087AControl valveHEILMEIER & WEINLEIN·Filed 1980·Granted Apr 6, 1982·6 cites·8 claims
- 2438US4617962AHydraulic deviceHEILMEIER & WEINLEIN·Filed 1984·Granted Oct 21, 1986·5 cites·18 claims
- 2538US4503882AFlow valveHEILMEIER & WEINLEIN·Filed 1983·Granted Mar 12, 1985·5 cites·11 claims
- 2636US4711155AHydraulic control deviceHEILMEIER & WEINLEIN·Filed 1986·Granted Dec 8, 1987·4 cites·17 claims
- 2734US4301837AControl valveHEILMEIER & WEINLEIN·Filed 1980·Granted Nov 24, 1981·4 cites·5 claims
- 2832US4532960AControl valve deviceHEILMEIER & WEINLEIN·Filed 1984·Granted Aug 6, 1985·2 cites·15 claims
- 2932US4406305AControl valveHEILMEIER & WEINLEIN·Filed 1981·Granted Sep 27, 1983·2 cites·6 claims
- 3031US6047629AHydraulic pumpHEILMEIER & WEINLEIN·Filed 1998·Granted Apr 11, 2000·3 cites·9 claims
- 3130US4739980AHydromechanical tool or workpiece clamping apparatusHEILMEIER & WEINLEIN·Filed 1987·Granted Apr 26, 1988·1 cites·4 claims
- 3230US4453453AHydraulic control deviceHEILMEIER & WEINLEIN·Filed 1981·Granted Jun 12, 1984·0 cites·6 claims
- 3316US6192921B1Screw-in cartridge valve and screw-in cartridge valve assemblyHEILMEIER & WEINLEIN·Filed 1999·Granted Feb 27, 2001·2 cites·1 claims
- 3416US4848390ASwitching valve having hydraulic self-holding propertiesHEILMEIER & WEINLEIN·Filed 1988·Granted Jul 18, 1989·4 cites·7 claims
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