Inventor · disambiguated record
Marvin L. Bernstrom
Also filed as: BERNSTROM MARVIN · BERNSTROM MARVIN L
15 granted patents·253 citations·filing 1985–2002
94Inventor score
Top patents by PatentIndex Score
15 records- 0186US4976594AGerotor motor and improved pressure balancing thereforEATON CORP·Filed 1989·Granted Dec 11, 1990·38 cites·14 claims
- 0278US4741681AGerotor motor with valving in gerotor starBERNSTROM MARVIN L·Filed 1986·Granted May 3, 1988·27 cites·8 claims
- 0374US5624248AGerotor motor and improved balancing plate seal thereforEATON CORP·Filed 1996·Granted Apr 29, 1997·29 cites·11 claims
- 0470US6544018B2Hydraulic motor having multiple speed ratio capabilityEATON CORP·Filed 2001·Granted Apr 8, 2003·17 cites·12 claims
- 0570US4715798ATwo-speed valve-in star motorEATON CORP·Filed 1987·Granted Dec 29, 1987·19 cites·15 claims
- 0666US6371149B1Shuttle valve assembly and improved shifting thereofEATON CORP·Filed 2000·Granted Apr 16, 2002·14 cites·1 claims
- 0761US5516268AValve-in-star motor balancingEATON CORP·Filed 1995·Granted May 14, 1996·18 cites·3 claims
- 0858US4613292AHydraulic motor having free-wheeling and locking modes of operationEATON CORP·Filed 1985·Granted Sep 23, 1986·16 cites·51 claims
- 0957US6126424ATransistion valving for gerotor motorsEATON CORP·Filed 1998·Granted Oct 3, 2000·15 cites·6 claims
- 1054US6679691B1Anti cavitation system for two-speed motorsEATON CORP·Filed 2002·Granted Jan 20, 2004·6 cites·9 claims
- 1150US5328343ARotary fluid pressure device and improved shuttle arrangement thereforEATON CORP·Filed 1993·Granted Jul 12, 1994·15 cites·10 claims
- 1249US6099280ATwo speed geroter motor with external pocket recirculationEATON CORP·Filed 1999·Granted Aug 8, 2000·17 cites·12 claims
- 1344US4756676AGerotor motor with valving in gerotor starEATON CORP·Filed 1987·Granted Jul 12, 1988·9 cites·1 claims
- 1440US5593296AHydraulic motor and pressure relieving means for valve plate thereofEATON CORP·Filed 1996·Granted Jan 14, 1997·8 cites·8 claims
- 1535US5009582ARotary fluid pressure device and improved stationary valve plate thereforEATON CORP·Filed 1989·Granted Apr 23, 1991·5 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →