Patents by Inventor Winfried Steinel

Winfried Steinel 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).

  • Cylinder-and-piston arrangement and method of manufacturing the same
    Patent number: 4096787
    Abstract: A piston rod connected at one end to a piston slidably arranged in a cylinder projects with its other end through an opening in an end wall of the cylinder beyond the latter and a fork-shaped member is connected by a friction weld, that is without adding welding material or external heat, to the other end of the piston rod.
    Type: Grant
    Filed: October 8, 1976
    Date of Patent: June 27, 1978
    Assignee: Robert Bosch GmbH
    Inventors: Hartmut Sandau, Wilhelm Weigert, Winfried Steinel, August Kraisel, Klaus Ritter, Erwin Gaub, Heinrich Kochendorfer