Tjepke Hendrik Ekkelboom

Person

Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Electric lamp with SiO.sub.2 vessel and seal therefor
- Patent number 5,159,239
- Issue date Oct 27, 1992
- U.S. Philips Corporation
- Tjepke H. Ekkelboom
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Electric lamp and seal structure therefor
- Patent number 5,077,505
- Issue date Dec 31, 1991
- U.S. Philips Corporation
- Tjepke H. Ekkelboom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a drawing die
- Patent number 4,703,672
- Issue date Nov 3, 1987
- U.S. Philips Corporation
- Tjepke H. Ekkelboom
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
High-pressure discharge lamp
- Patent number 4,117,367
- Issue date Sep 26, 1978
- U.S. Philips Corporation
- Jan Rudolf DE Bie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing an article containing at least one glass pa...
- Patent number 4,086,075
- Issue date Apr 25, 1978
- U.S. Philips Corporation
- Tjepke Hendrik Ekkelboom
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Soldered joint
- Patent number 4,039,883
- Issue date Aug 2, 1977
- U.S. Philips Corporation
- Cornelis Jan Damsteeg
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Solder joint connection between lead-in conductor and electrode
- Patent number 4,038,579
- Issue date Jul 26, 1977
- U.S. Philips Corporation
- Tjepke Hendrik Ekkelboom
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrode for a discharge lamp
- Patent number 4,002,940
- Issue date Jan 11, 1977
- U.S. Philips Corporation
- Tjepke Hendrik Ekkelboom
- H01 - BASIC ELECTRIC ELEMENTS

Tjepke Hendrik Ekkelboom

Person

Patents Grantslast 30 patents

Electric lamp with SiO.sub.2 vessel and seal therefor

Electric lamp and seal structure therefor

Method of manufacturing a drawing die

High-pressure discharge lamp

Method of manufacturing an article containing at least one glass pa...

Soldered joint

Solder joint connection between lead-in conductor and electrode

Electrode for a discharge lamp