Karl-Heinz Hardtl

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Hagenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen sensitive resistance material
- Patent number 6,319,429
- Issue date Nov 20, 2001
- DaimlerChrysler AG
- Ralf Moos
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen sensors made of alkaline-earth-doped lanthanum ferrites and...
- Patent number 5,972,296
- Issue date Oct 26, 1999
- Heraeus Electro-Nite International, N.V.
- Karl-Heinz Hardtl
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen sensors made of alkaline-earth-doped lanthanum ferrites
- Patent number 5,843,858
- Issue date Dec 1, 1998
- Roth-Technik GmbH & Co. Forschung Fur Automobil-Und Umwelttechnik
- Karl-Heinz Hardtl
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen sensor based on non-doped cuprate
- Patent number 5,792,666
- Issue date Aug 11, 1998
- Karl-Heinz Hardtl
- G01 - MEASURING TESTING
Information Patent Grant
Manufacture of inert, catalytic or gas-sensitive ceramic layers for...
- Patent number 5,279,855
- Issue date Jan 18, 1994
- ROTH-Tecknik GmbH & Co. Forschung fur Automobil und Umwelttechnik
- Edelbert Hafele
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Semiconductor for a resistive gas sensor having a high response speed
- Patent number 4,988,970
- Issue date Jan 29, 1991
- Kernforschungszentrum Karlsruhe GmbH
- Edelbert Hafele
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES