Helmut Etzel

Follow

Person

Wiesthal-Krommenthal, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Unlockable non-return valve for very high system pressures
- Patent number 6,820,645
- Issue date Nov 23, 2004
- Bosch Rexroth AG
- Helmut Behl
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Unlockable non-return valve for very high system pressures
- Publication number 20040094207
- Publication date May 20, 2004
- Helmut Behl
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL