Franz Liesewitz

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Mulheim a.d. Ruhr, DE

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Patents Grantslast 30 patents

Information Patent Grant
Coke oven door with wraparound gas channel and membrane
- Patent number 7,166,197
- Issue date Jan 23, 2007
- Deutsche Montan Technologie GmbH
- Hans-Josef Giertz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke oven door with gas channel
- Patent number 7,067,043
- Issue date Jun 27, 2006
- Deutsche Montan Technologie GmbH
- Hans-Josef Giertz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Device and method for sealing levelling door aperture of a coke ove...
- Patent number 6,918,999
- Issue date Jul 19, 2005
- Deutsche Montan Technologie GmbH
- Hans-Josef Giertz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Coke oven door with wraparound gas channel and membrane
- Publication number 20050040025
- Publication date Feb 24, 2005
- Hans-Josef Giertz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...