Patents by Inventor Heinz Muhlhoff

Heinz Muhlhoff 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).

  • Mixing of materials
    Patent number: 4057228
    Abstract: Powderous, granular, and/or liquidous substances such as thermoplastic or elastomeric materials are mixed with each other or with fillers, additives, etc. in that the mixing operation is continued until a predetermined amount of mixing work has been expended. The mixing operation can be controlled as to its entire duration on that basis as well as with regard to completion of intermediate steps.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: November 8, 1977
    Assignee: Kabel- und Metallwerke Gutehoffnungshutte Aktiengesellschaft
    Inventors: Martin Volker, Heinz Muhlhoff