Marvin L. Bernstrom

Person

Eden Prairie, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Anti cavitation system for two-speed motors
- Patent number 6,679,691
- Issue date Jan 20, 2004
- Eaton Corporation
- Michael W. Barto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydraulic motor having multiple speed ratio capability
- Patent number 6,544,018
- Issue date Apr 8, 2003
- Eaton Corporation
- John B. Heckel
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Shuttle valve assembly and improved shifting thereof
- Patent number 6,371,149
- Issue date Apr 16, 2002
- Eaton Corporation
- Michael J. Gust
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Transistion valving for gerotor motors
- Patent number 6,126,424
- Issue date Oct 3, 2000
- Eaton Corporation
- Wayne B. Wenker
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Two speed geroter motor with external pocket recirculation
- Patent number 6,099,280
- Issue date Aug 8, 2000
- Eaton Corporation
- Marvin L. Bernstrom
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Gerotor motor and improved balancing plate seal therefor
- Patent number 5,624,248
- Issue date Apr 29, 1997
- Eaton Corporation
- Gary R. Kassen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydraulic motor and pressure relieving means for valve plate thereof
- Patent number 5,593,296
- Issue date Jan 14, 1997
- Eaton Corporation
- Marvin L. Bernstrom
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Valve-in-star motor balancing
- Patent number 5,516,268
- Issue date May 14, 1996
- Eaton Corporation
- Gary R. Kassen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Rotary fluid pressure device and improved shuttle arrangement therefor
- Patent number 5,328,343
- Issue date Jul 12, 1994
- Eaton Corporation
- Marvin Bernstrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary fluid pressure device and improved stationary valve plate th...
- Patent number 5,009,582
- Issue date Apr 23, 1991
- Eaton Corporation
- Marvin L. Bernstrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gerotor motor and improved pressure balancing therefor
- Patent number 4,976,594
- Issue date Dec 11, 1990
- Eaton Corporation
- Marvin L. Bernstrom
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gerotor motor with valving in gerotor star
- Patent number 4,756,676
- Issue date Jul 12, 1988
- Eaton Corporation
- Marvin L. Bernstrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gerotor motor with valving in gerotor star
- Patent number 4,741,681
- Issue date May 3, 1988
- Marvin L. Bernstrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Two-speed valve-in star motor
- Patent number 4,715,798
- Issue date Dec 29, 1987
- Eaton Corporation
- Marvin L. Bernstrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydraulic motor having free-wheeling and locking modes of operation
- Patent number 4,613,292
- Issue date Sep 23, 1986
- Eaton Corporation
- Marvin L. Bernstrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic motor having multiple speed ratio capability
- Publication number 20020041816
- Publication date Apr 11, 2002
- EATON CORPORATION
- John B. Heckel
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Marvin L. Bernstrom

Person

Patents Grantslast 30 patents

Anti cavitation system for two-speed motors

Hydraulic motor having multiple speed ratio capability

Shuttle valve assembly and improved shifting thereof

Transistion valving for gerotor motors

Two speed geroter motor with external pocket recirculation

Gerotor motor and improved balancing plate seal therefor

Hydraulic motor and pressure relieving means for valve plate thereof

Valve-in-star motor balancing

Rotary fluid pressure device and improved shuttle arrangement therefor

Rotary fluid pressure device and improved stationary valve plate th...

Gerotor motor and improved pressure balancing therefor

Gerotor motor with valving in gerotor star

Gerotor motor with valving in gerotor star

Two-speed valve-in star motor

Hydraulic motor having free-wheeling and locking modes of operation

Patents Applicationslast 30 patents

Hydraulic motor having multiple speed ratio capability