Heinz Tewes

Follow

Person

Gelsenkirchen-Buer, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Coke oven doors for horizontal-chamber coke ovens
- Patent number 4,741,809
- Issue date May 3, 1988
- Ruhrkohle Aktiengesellschaft
- Wolfgang Becker
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke oven doors for horizontal-chamber coke ovens
- Patent number 4,740,271
- Issue date Apr 26, 1988
- Ruhrkohle Aktiengesellschaft
- Wolfgang Becker
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke oven doors for horizontal chamber coke ovens
- Patent number 4,683,032
- Issue date Jul 28, 1987
- Ruhrkohle Aktiengesellschaft
- Wolfgang Becker
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...