Hanns E. Fischer

Person

Stolberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
High-pressure mercury vapor discharge lamp with a space
- Patent number 7,291,980
- Issue date Nov 6, 2007
- Koninklijke Philips Electronics, N.V.
- Hanns Ernst Fischer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure gas discharge lamp with cooling arrangement
- Patent number 6,724,147
- Issue date Apr 20, 2004
- Koninklijke Philips Electronics N.V.
- Holger Moench
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of and device for operating a gas discharge lamp
- Patent number 6,586,892
- Issue date Jul 1, 2003
- Koninklijke Philips Electronics N.V.
- Günther Hans Derra
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-pressure gas discharge lamp, and method of manufacturing same
- Patent number 6,552,499
- Issue date Apr 22, 2003
- Koninklijke Philips Electronics N.V.
- Guenther Hans Derra
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Long life discharge lamp operating circuit with reduced lamp flicker
- Patent number 6,239,556
- Issue date May 29, 2001
- U.S. Philips Corporation
- Gunther H. Derra
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit arrangement for operating a high-pressure discharge lamp
- Patent number 6,232,725
- Issue date May 15, 2001
- U.S. Philips Corporation
- Gunther H. Derra
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit arrangement for detecting the amount of deposited electrode...
- Patent number 5,689,156
- Issue date Nov 18, 1997
- U.S. Philips Corporation
- Gunther H. Derra
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure lamp operating circuit with suppression of lamp flicker
- Patent number 5,608,294
- Issue date Mar 4, 1997
- U.S. Philips Corporation
- Gunther H. Derra
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High pressure mercury discharge lamp
- Patent number 5,497,049
- Issue date Mar 5, 1996
- U.S. Philips Corporation
- Hanns E. Fischer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure mercury vapor discharge lamp
- Patent number 5,109,181
- Issue date Apr 28, 1992
- U.S. Philips Corporation
- Hanns E. Fischer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas discharge lamp with microporous aerogel
- Patent number 4,866,327
- Issue date Sep 12, 1989
- U.S. Philips Corporation
- Hanns E. Fischer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp having a tungsten sheet electrode
- Patent number 4,700,107
- Issue date Oct 13, 1987
- U.S. Philips Corporation
- Hanns E. Fischer
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High-pressure mercury vapor discharge lamp
- Publication number 20060152160
- Publication date Jul 13, 2006
- Koninklijke Philips Electronics N.V.
- Hanns Ernst Fischer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High-pressure gas discharge lamp with cooling arrangement
- Publication number 20030034737
- Publication date Feb 20, 2003
- Holger Moench
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High-pressure gas discharge lamp, and method of manufacturing same
- Publication number 20020117968
- Publication date Aug 29, 2002
- Guenther Hans Derra
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of and device for operating a gas discharge lamp
- Publication number 20020011803
- Publication date Jan 31, 2002
- KONINLIJKE PHILIPS ELECTRONICS N.V.
- Gunther Hans Derra
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Hanns E. Fischer

Person

Patents Grantslast 30 patents

High-pressure mercury vapor discharge lamp with a space

High-pressure gas discharge lamp with cooling arrangement

Method of and device for operating a gas discharge lamp

High-pressure gas discharge lamp, and method of manufacturing same

Long life discharge lamp operating circuit with reduced lamp flicker

Circuit arrangement for operating a high-pressure discharge lamp

Circuit arrangement for detecting the amount of deposited electrode...

High pressure lamp operating circuit with suppression of lamp flicker

High pressure mercury discharge lamp

High-pressure mercury vapor discharge lamp

Gas discharge lamp with microporous aerogel

High-pressure discharge lamp having a tungsten sheet electrode

Patents Applicationslast 30 patents

High-pressure mercury vapor discharge lamp

High-pressure gas discharge lamp with cooling arrangement

High-pressure gas discharge lamp, and method of manufacturing same

Method of and device for operating a gas discharge lamp