Patents by Inventor Peter Ludwig Holzheu

Peter Ludwig Holzheu 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: 7556295
    Abstract: A pipe connection for exhaust pipes of internal-combustion engines. The pipe connection includes an axial and radial plug and an angle compensation. The pipe connection further includes a first pipe, a second pipe and an interior part at an end of the first pipe. The interior part is enveloped by a bell part at an end of the second pipe. The pipe connection further includes at least one lamellar ring held in an annular groove in either a) a radially outer surface of the interior part or b) a radially inner surface of the bell part. The at least one lameller ring is tensioned against either a) the radially outer surface of the interior part or b) the radially inner surface of the bell part. Either a) the radially outer surface of the interior part or b) the radially inner surface of the bell part is constructed as a concave surface. The at least one lameller ring is tensioned against the concave surface.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: July 7, 2009
    Assignee: Fey Lamellenringe GmbH & Co., KG
    Inventor: Peter Ludwig Holzheu
  • Publication number: 20080100059
    Abstract: The present disclosure is related to a pipe connection for exhaust pipes of internal-combustion engines. The pipe connection includes an axial and radial plug and an angle compensation. The pipe connection further includes a first pipe, a second pipe and an interior part at an end of the first pipe. The interior part is enveloped by a bell part at an end of the second pipe. The pipe connection further includes at least one lamellar ring held in an annular groove in either a) a radially outer surface of the interior part or b) a radially inner surface of the bell part. The at least one lameller ring is tensioned against either a) the radially outer surface of the interior part or b) the radially inner surface of the bell part. Either or both of a) the radially outer surface of the interior part and b) the radially inner surface of the bell part are constructed as a concave surface. The at least one lameller ring is tensioned against the concave surface.
    Type: Application
    Filed: February 17, 2005
    Publication date: May 1, 2008
    Inventor: Peter Ludwig Holzheu