Patents by Inventor Werner Wahlfeld

Werner Wahlfeld has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and arrangement for hot repair of heating trains of coke oven battery
    Patent number: 5092765
    Abstract: A method of hot repair heating trains of a coke oven battery includes brick laying of a heating train, warming a finished portion of a respective heating train during the brick laying to a temperature of approximately 250.degree. C., directly after ending the brick laying heating a new heating train to a temperature of approximately 500.degree. C., performing the warming and heating by means of gaseous heat carrier, blowing the heat carrier into the heating trains and heating the heat carrier in a heat exchange with use of heat of hot parts of the coke oven battery.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: March 3, 1992
    Assignee: Krupp Koppers GmbH
    Inventor: Werner Wahlfeld