Patents by Inventor August Kraisel

August Kraisel 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).

  • Pressure vessel
    Patent number: 4252151
    Abstract: A pressure vessel includes a housing having an interior and a passage communicating with the interior and being bounded by an inner circumferential surface. A separate plug is received in the passage. The plug has an outer circumferential surface juxtaposed with the inner circumferential surface. These surfaces define together at least one gap of relatively small cross-section. The gap extends lengthwise of the passage communicating with the interior of the housing.
    Type: Grant
    Filed: August 24, 1978
    Date of Patent: February 24, 1981
    Assignee: Robert Bosch GmbH
    Inventors: Gerhard Haug, August Kraisel, Heinz Siegel
  • 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