Bela Kerekes

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Patents Grantslast 30 patents

Information Patent Grant
Lighting system and compact electric lighting unit
- Patent number 4,560,906
- Issue date Dec 24, 1985
- Egyesult Izzolampa es Villamossagi Rt.
- Bela Kerekes
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast circuits for discharge lamp
- Patent number 4,546,290
- Issue date Oct 8, 1985
- Egyesult Izzolampa es Villamossagi Rt.
- Bela Kerekes
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric lamp provided with a ceramic discharge tube
- Patent number 4,376,905
- Issue date Mar 15, 1983
- Egyesult Izzolampa es Villamossagi Rt.
- Bela Kerekes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge tube operable in the open air without outer...
- Patent number 4,221,987
- Issue date Sep 9, 1980
- Egyesult Izzolampa es Villamossagi Reszvenytarsasag
- Bela Kerekes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Closure structure of electric discharge tubes
- Patent number 4,160,186
- Issue date Jul 3, 1979
- Egysult Izzolampa es Villamossagi Reszvenytarsasag
- Bela Kerekes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for manufacturing tubeless vacuum electric discharge lamps
- Patent number 3,967,871
- Issue date Jul 6, 1976
- Egyesult Izzolampa Es Villamossagi Resvenytarsasag
- Bela Kerekes
- H01 - BASIC ELECTRIC ELEMENTS