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Patents Grantslast 30 patents

Information Patent Grant
Lightweight flexible coke oven door with pressure-balancing lever s...
- Patent number 4,647,342
- Issue date Mar 3, 1987
- WSW Planungs-GmbH
- Wilhelm Stog
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Self sealing coke oven door of lightweight construction
- Patent number 4,647,343
- Issue date Mar 3, 1987
- WSW Planungs-GmbH
- Wilhelm Stog
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke-oven door
- Patent number 4,381,972
- Issue date May 3, 1983
- WSW Planungs-GmbH
- Wilhelm Stog
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Exhaust hood for unloading assembly of coke-oven battery
- Patent number 4,334,963
- Issue date Jun 15, 1982
- WSW Planungs-GmbH
- Wilhelm Stog
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...