Karl-Heinz Liebert

Person

Schwabisch Gmund, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic auxiliary power steering for motor vehicles
- Patent number 4,618,017
- Issue date Oct 21, 1986
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic auxiliary steering apparatus
- Patent number 4,553,389
- Issue date Nov 19, 1985
- Zahnradfabrik Friedrichshafen, AG
- Werner Tischer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic steering arrangement
- Patent number 4,553,390
- Issue date Nov 19, 1985
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Booster power steering
- Patent number 4,495,769
- Issue date Jan 29, 1985
- Zahnradfabrik Friedrichshafen, AG
- Werner Tischer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic power steering system with curved valve return springs
- Patent number 4,466,243
- Issue date Aug 21, 1984
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic steering system for motor vehicles
- Patent number 4,395,877
- Issue date Aug 2, 1983
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Rotatable controller valve
- Patent number 4,355,505
- Issue date Oct 26, 1982
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic auxiliary power steering
- Patent number 4,354,350
- Issue date Oct 19, 1982
- Zahnradfabrik Friedrichshafen, AG
- Werner Tischer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic auxiliary power steering
- Patent number 4,344,283
- Issue date Aug 17, 1982
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Steering valve with spring torsion rod
- Patent number 4,290,738
- Issue date Sep 22, 1981
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Control valve with two rotary valve elements supported in a housing...
- Patent number 4,258,752
- Issue date Mar 31, 1981
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Steering valve with annular sealing element for radial annular gap
- Patent number 4,258,902
- Issue date Mar 31, 1981
- Zahnradfabrik Friedrichshafen, AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Pressure medium controller for motor vehicle steering systems
- Patent number 4,237,773
- Issue date Dec 9, 1980
- Zahnradfabrik Friedrichshafen AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Pressure medium control device for hydrostatic steering systems of...
- Patent number 4,221,159
- Issue date Sep 9, 1980
- Zahnradfabrik Friedrichshafen AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic two-circuit steering arrangement
- Patent number 4,184,332
- Issue date Jan 22, 1980
- Zahnradfabrik Friedrichshafen AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Pressure agent control arrangements, especially for hydraulic steer...
- Patent number 4,174,612
- Issue date Nov 20, 1979
- Zahnradfabrik Friedrichshafen AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Arrangement for control of two hydraulic pressure systems, includin...
- Patent number 4,174,018
- Issue date Nov 13, 1979
- Zahnradfabrik Friedrichshafen AG
- Karl-Heinz Liebert
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Karl-Heinz Liebert

Person

Patents Grantslast 30 patents

Hydraulic auxiliary power steering for motor vehicles

Hydrostatic auxiliary steering apparatus

Hydrostatic steering arrangement

Booster power steering

Hydrostatic power steering system with curved valve return springs

Hydrostatic steering system for motor vehicles

Rotatable controller valve

Hydrostatic auxiliary power steering

Hydrostatic auxiliary power steering

Steering valve with spring torsion rod

Control valve with two rotary valve elements supported in a housing...

Steering valve with annular sealing element for radial annular gap

Pressure medium controller for motor vehicle steering systems

Pressure medium control device for hydrostatic steering systems of...

Hydrostatic two-circuit steering arrangement

Pressure agent control arrangements, especially for hydraulic steer...

Arrangement for control of two hydraulic pressure systems, includin...