Ludwig Offermann

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Datteln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Heating system for regenerative coke ovens
- Patent number 5,259,932
- Issue date Nov 9, 1993
- Didier Ofu Engineering GmbH
- Manfred Blase
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Light construction plug for coke oven doors
- Patent number 4,713,148
- Issue date Dec 15, 1987
- Firma Carl Still GmbH & Co. KG
- Ludwig Offermann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Immersion-type seal for the standpipe opening of coke ovens
- Patent number 4,296,938
- Issue date Oct 27, 1981
- Firma Carl Still GmbH & KG
- Ludwig Offermann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and apparatus for separating gases and solids during the car...
- Patent number 4,265,709
- Issue date May 5, 1981
- Firma Carl Still
- Janos Bocsanczy
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...