Patents by Inventor Peter Tilgner

Peter Tilgner 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: 4399105
    Abstract: Progammable computer controlled reaction injection mixing of selectively variable reactive fluid polymerizable components is disclosed, embodying an improved reactive injection mixing head construction which facilitates rapid changes in mix formulations between successive pour or molding operations in a continuing succession of such operations, while maintaining consistently uniform results in the finished products.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: August 16, 1983
    Assignee: The Upjohn Company
    Inventors: Peter Tilgner, Robert D. Wingard, Shirley M. Leida, Kenneth L. Erwin, Jr.