Patents by Inventor Wilfried Krohe

Wilfried Krohe 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 for heating carbon blanks
    Patent number: 4482314
    Abstract: Manufacturing of carbon bodies by heating blanks containing pyrolizable substances in a chamber over in which volatile pyrolysis products are formed and decomposed and thermal energy is generated by combustion of fluid fuels inside the chamber. Below a chamber temperature of 600.degree. C. the fuel is burned by supplying a stoichiometric amount of air, and above a chamber temperature of 600.degree. C. an additional quantity of air is blown into the chamber through nozzles.
    Type: Grant
    Filed: May 24, 1983
    Date of Patent: November 13, 1984
    Assignee: Sigri Elektrographit GmbH
    Inventors: Hans-Joachim Giese, Walter R. Heiker, Wilfried Krohe