Ingo Duenisch

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Taunusstein, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gas discharge lamp with glass tube and seal members
- Patent number 5,091,674
- Issue date Feb 25, 1992
- Siemens Aktiengesellschaft
- Josef Zimlich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flashbulb having hard glass containing emitter substances
- Patent number 5,091,675
- Issue date Feb 25, 1992
- Heimann GmbH
- Ingo Duenisch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flash lamp with metal coating on an outer end of an electrode thereof
- Patent number 4,987,341
- Issue date Jan 22, 1991
- Heimann GmbH
- Eugen Achter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flashbulb with a heat shield
- Patent number 4,896,072
- Issue date Jan 23, 1990
- Heimann GmbH
- Ingo Duenisch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas discharge lamp with sintered cathode
- Patent number 4,672,268
- Issue date Jun 9, 1987
- Heimann GmbH
- Ingo Duenisch
- H01 - BASIC ELECTRIC ELEMENTS