Patents by Inventor Alfred Vilshofer

Alfred Vilshofer 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).

  • Patent number: 4233264
    Abstract: Apparatus for the production and catalytic oxidation of gaseous hydrocarbon/air mixtures to form dicarboxylic acid anhydride. Hydrocarbon/air mixtures are formed in an evaporator and introduced into a shell-and-tube catalytic reactor fitted with a concave reactor hood to more effectively and safely distribute the gaseous mixture to and through the catalyst-filled tubes of the reactor.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: November 11, 1980
    Assignee: Davy International AG
    Inventors: John H. Maude, Lothar Sterck, Alfred Vilshofer