Norbert Kreth

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Lohr, DE

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Patents Grantslast 30 patents

Information Patent Grant
Control arrangement for at least two hydraulic consumers fed by at...
- Patent number 4,856,278
- Issue date Aug 15, 1989
- Mannesmann Rexroth GmbH
- Karlheinz Widmann
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Control arrangement for at least two hydraulic loads fed by at leas...
- Patent number 4,759,183
- Issue date Jul 26, 1988
- Mannesmann Rexroth GmbH
- Norbert Kreth
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Control arrangement for at least two hydraulic consumers fed by at...
- Patent number 4,739,617
- Issue date Apr 26, 1988
- Mannesmann Rexroth GmbH
- Norbert Kreth
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Multiway valve with pressure balance
- Patent number 4,688,600
- Issue date Aug 25, 1987
- Mannesmann Rexroth GmbH
- Norbert Kreth
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic priority control means for at least two servo motors
- Patent number 4,669,363
- Issue date Jun 2, 1987
- Mannesmann Rexroth GmbH
- Norbert Kreth
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Priority control for hydraulic consumers
- Patent number 4,665,939
- Issue date May 19, 1987
- Mannesmann Rexroth GmbH
- Norbert Kreth
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL