Patents by Inventor Erhardt Humburg

Erhardt Humburg 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).

  • Exhaust pipe, and method of making an exhaust pipe
    Patent number: 6910506
    Abstract: An exhaust pipe includes first and second length portions, each having an outer pipe and an inner pipe positioned relative to one another to define an annular gap therebetween. The length portions are placed in confronting disposition with their adjacent first ends interconnected for relative movement in a longitudinal direction. An end piece of the outer pipe of the first length portion is disposed in surrounding relationship to an end piece of the outer pipe of the second length portion at interposition of an end portion of the inner pipe of the first length portion, wherein the end pieces of the outer pipes of the first and second length portions and the end portion of the inner pipe of the first length portion are positioned for relative movement in the longitudinal direction, so as to define a triple sliding fit.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: June 28, 2005
    Assignee: Benteler Automobiltechnik GmbH
    Inventors: Heinrich Gabriel, Albrecht Bolte, Erhardt Humburg, Christian Smatloch, Jürgen Kleinschmidt
  • Exhaust pipe, and method of making an exhaust pipe
    Publication number: 20030094208
    Abstract: An exhaust pipe includes first and second length portions, each having an outer pipe and an inner pipe positioned relative to one another to define an annular gap therebetween. The length portions are placed in confronting disposition with their adjacent first ends interconnected for relative movement in a longitudinal direction. An end piece of the outer pipe of the first length portion is disposed in surrounding relationship to an end piece of the outer pipe of the second length portion at interposition of an end portion of the inner pipe of the first length portion, wherein the end pieces of the outer pipes of the first and second length portions and the end portion of the inner pipe of the first length portion are positioned for relative movement in the longitudinal direction, so as to define a triple sliding fit.
    Type: Application
    Filed: November 12, 2002
    Publication date: May 22, 2003
    Applicant: Benteler Automobiltechnik GmbH & Co. KG
    Inventors: Heinrich Gabriel, Albrecht Bolte, Erhardt Humburg, Christian Smatloch, Jurgen Kleinschmidt