Patents by Inventor Hans Richard Wolters

Hans Richard Wolters 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).

  • High speed shut off of conduits
    Patent number: 4036258
    Abstract: Valve casings at the ends of two cryogenic conduits are held together by brackets which can be locked but are driven apart for fast separation. Valves in the casings close automatically when the conduits separate.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: July 19, 1977
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Hans Richard Wolters, Heinz Keltjens