Patents by Inventor Herbert Mrozik

Herbert Mrozik 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: 4345656
    Abstract: There is disclosed a pile-driver comprising a cylinder and a piston, the piston being in registry with a cap disposed over an article to be driven. The cap has a lining in striking relationship with the piston, which lining comprises a thermoplastic and a metal powder.
    Type: Grant
    Filed: December 18, 1979
    Date of Patent: August 24, 1982
    Assignee: Ruhrchemie AG
    Inventors: Josef Berzen, Herbert Mrozik