Helmut Hermann

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Bochum, DE

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Patents Grantslast 30 patents

Information Patent Grant
Intrinsically safe connection unit with a network interface, intrin...
- Patent number 9,166,801
- Issue date Oct 20, 2015
- Caterpillar Global Mining Europe GmbH
- Helmut Hermann
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and circuit arrangement for measuring earth leakages in intr...
- Patent number 6,864,673
- Issue date Mar 8, 2005
- DBT Automation GmbH
- Jens Titschert
- G01 - MEASURING TESTING
Information Patent Grant
Warning tone transmitter
- Patent number 6,774,537
- Issue date Aug 10, 2004
- DBT Automation GmbH
- Jens Titschert
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Method and apparatus for the remote controlled actuation of a contr...
- Patent number 6,590,504
- Issue date Jul 8, 2003
- DBT Automation GmbH
- Helmut Hermann
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
INTRINSICALLY SAFE CONNECTION UNIT WITH A NETWORK INTERFACE, INTRI...
- Publication number 20120315793
- Publication date Dec 13, 2012
- CATERPILLAR GLOBAL MINING EUROPE GMBH
- Helmut Hermann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and circuit arrangement for measuring earth leakages in intr...
- Publication number 20030160618
- Publication date Aug 28, 2003
- Jens Titschert
- G01 - MEASURING TESTING
Information Patent Application
Warning tone transmitter
- Publication number 20030062992
- Publication date Apr 3, 2003
- Jens Titschert
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL