Dr. C. Otto Feuerfest GmbH

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Bochum, DE

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Patents Grantslast 30 patents

Information Patent Grant
Refractory material
- Patent number 5,322,826
- Issue date Jun 21, 1994
- Dr. C. Otto Feuerfest GmbH
- Wolfgang Becker
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Heating chamber for a coke oven and method of heating a coke oven
- Patent number 5,137,602
- Issue date Aug 11, 1992
- Dr. C. Otto Feuerfest GmbH
- Wilhelm Stewen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oven door assembly
- Patent number 4,917,772
- Issue date Apr 17, 1990
- Dr. C. Otto Feuerfest GmbH
- Hans-Joachim Koschlig
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Supported catalyst and process for its production for the reduction...
- Patent number 4,916,106
- Issue date Apr 10, 1990
- Dr. C. Otto Feuerfest GmbH
- Hans-Joachim Koschlig
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Silica brick and process for producing same
- Patent number 4,866,015
- Issue date Sep 12, 1989
- Dr. C. Otto Feuerfest GmbH
- Hans-Joachim Koschlig
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ceramic honeycombed elongated catalyst carrier and method for produ...
- Patent number 4,833,115
- Issue date May 23, 1989
- Dr. C. Otto Feuerfest GmbH
- Hans-Joachim Koschlig
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Dr. C. Otto Feuerfest GmbH

Organization

Patents Grantslast 30 patents

Refractory material

Heating chamber for a coke oven and method of heating a coke oven

Oven door assembly

Supported catalyst and process for its production for the reduction...

Silica brick and process for producing same

Ceramic honeycombed elongated catalyst carrier and method for produ...