Patents by Inventor Bernd Matuszczak

Bernd Matuszczak 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).

  • Method of manufacturing a hose stem for hydraulically loaded friction fittings or threaded fittings
    Patent number: 4761873
    Abstract: Method of manufacturing a hose stem for hydraulically loaded friction fittings or threaded fittings. A hose stem of this type has a stem end that a hose can fit over, a securing component that accepts the connection, and a joining pipe. The surface of the end of the stem is shaped to position the hose securely and the securing component has a groove for securing the connection. The hose stem (2) is manufactured along with its end (2), securing component (4), and joining pipe (5) by cold forming out of a continuous length (1) of pipe.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: August 9, 1988
    Assignee: Aeroquip GmbH
    Inventors: Hans J. Wetzel, Bernd Matuszczak