Patents by Inventor Hans Kaupp

Hans Kaupp 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: 4767137
    Abstract: A tube connecting device is provided that connects rectangular tube ends in a fluid-tight manner with one another. The tube ends communicate with one another at their ends in a tube connecting device. A first tube end has a frame that is open on one side, this frame having a circumferential groove. A second tube end has a circumferential flange that is received in the circumferential groove. This open side of the frame is covered by a sealing strip fastened thereto, this strip clampingly spanning adjacent portions of the frame and flange.
    Type: Grant
    Filed: March 18, 1987
    Date of Patent: August 30, 1988
    Assignee: MTU MOTOREN-und Turbinen Union Munchen GmbH
    Inventors: Hans Zinner, Hans Kaupp