Patents by Inventor Wilfried Herda

Wilfried Herda 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).

  • Publication number: 20010018400
    Abstract: A completely metallic catalyst for the oxidation of mixtures in the gaseous phase which contain carbon monoxide, hydrocarbons and/or soot, has a surface doped with a metallic element and is subjected to a second thermal treatment in an oxygen-containing atmosphere.
    Type: Application
    Filed: September 30, 1999
    Publication date: August 30, 2001
    Applicant: Wilfred Herda
    Inventors: WILFRIED HERDA, ULRICH HEUBNER, JURGEN KOPPE, HARTMUS LAUSCH
  • Patent number: 6274532
    Abstract: A completely metallic catalyst for the oxidation of mixtures in the gaseous phase which contain carbon monoxide, hydrocarbons and/or soot, has a surface doped with a metallic element and is subjected to a second thermal treatment in an oxygen-containing atmosphere.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: August 14, 2001
    Assignee: Krupp VDM GmbH
    Inventors: Wilfried Herda, Ulrich Heubner, Jürgen Koppe, Hartmut Lausch
  • Patent number: 5843394
    Abstract: The invention relates to an all-metal catalyst for the oxidation of gaseous sulphur compounds, more particularly hydrogen sulphide, in an oxygen-containing atmosphere, said catalyst consisting of a metal alloy of 5 to 70% by weight nickel and 30 to 95% by weight copper as residue thermally treated at temperatures of 400.degree. to 1000.degree. C. in an oxygen-containing atmosphere for 0.25 to 5 hours.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: December 1, 1998
    Assignee: Wabco GmbH
    Inventors: Ulrich Heubner, Wilfried Herda, Jurgen Koppa, Harmut Lausch