Patents by Inventor Ernst Kohlhage

Ernst Kohlhage 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).

  • Resilient structural member such as a plate spring
    Patent number: 4135283
    Abstract: A resilient structural member is hardened and tempered, and partially shot peened, forming a roughened surface. The surface is smoothened to an at least partial extent by grinding and polishing in a drum, or by an electrochemical process.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: January 23, 1979
    Assignee: Luk Lamellen u. Kupplungsbau GmbH
    Inventor: Ernst Kohlhage
  • Flexible resilient brake band assembly
    Patent number: 4102441
    Abstract: Brake band assembly for a wrap-around brake includes a metal band, a friction lining carried by the metal band, a support member for the metal band mountable on a device for actuating and supporting the brake band assembly, and at least one securing strap securing the support member to the metal band, the support member comprising a shell narrower than the end width of the metal band and being at least partly encircled collar-like by the securing strap.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: July 25, 1978
    Assignee: LuK Lamellen und Kupplungsbau GmbH
    Inventor: Ernst Kohlhage