Holger Hochgraef

Person

Ganzer/Wusterhausen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Low-voltage power breaker with a rating plug
- Patent number 7,092,228
- Issue date Aug 15, 2006
- Siemens Aktiengesellschaft
- Holger Hochgraef
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for reproducing direct currents and a direct current transfo...
- Patent number 6,897,758
- Issue date May 24, 2005
- Siemens Aktiengesellschaft
- Ulrich Baumgaertl
- G01 - MEASURING TESTING
Information Patent Grant
Low-voltage circuit breaker comprising a data memory
- Patent number 6,809,913
- Issue date Oct 26, 2004
- Siemens Aktiengesellschaft
- Holger Hochgraef
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and circuit for measuring a current
- Patent number 6,617,858
- Issue date Sep 9, 2003
- Siemens Aktiengesellschaft
- Ulrich Baumgaertl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic tripping device for a circuit breaker
- Patent number 6,603,649
- Issue date Aug 5, 2003
- Siemens Aktiengesellschaft
- Thomas Müller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for preventing making on electrical short circuits existing...
- Patent number 6,597,552
- Issue date Jul 22, 2003
- Siemens Aktiengesellschaft
- Gerd Griepentrog
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit arrangement for detecting the current of a current conducto...
- Patent number 6,147,847
- Issue date Nov 14, 2000
- Siemens Aktiengesellschaft
- Holger Hochgraef
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Electric power circuit breaker comprising a connection device for a...
- Publication number 20050087430
- Publication date Apr 28, 2005
- Bernd Ette
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronic overload trip for a low-voltage circuit breaker
- Publication number 20030156374
- Publication date Aug 21, 2003
- Douglas Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Low-voltage circuit breaker comprising a data memory
- Publication number 20030156373
- Publication date Aug 21, 2003
- Holger Hochgraef
- H01 - BASIC ELECTRIC ELEMENTS

Holger Hochgraef

Person

Patents Grantslast 30 patents

Low-voltage power breaker with a rating plug

Method for reproducing direct currents and a direct current transfo...

Low-voltage circuit breaker comprising a data memory

Method and circuit for measuring a current

Electronic tripping device for a circuit breaker

Method for preventing making on electrical short circuits existing...

Circuit arrangement for detecting the current of a current conducto...

Patents Applicationslast 30 patents

Electric power circuit breaker comprising a connection device for a...

Electronic overload trip for a low-voltage circuit breaker

Low-voltage circuit breaker comprising a data memory