Patents by Inventor Ralph Heimueller

Ralph Heimueller 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).

  • Diaphragm pump with a hydraulically driven diaphragm
    Patent number: 6327960
    Abstract: In a diaphragm pump with a hydraulically driven diaphragm which runs in a wavy manner in the radial direction, the arrangement is such that the wavelength and/or the amplitude of the wavy formation of the diaphragm is made variable in the radial direction.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: December 11, 2001
    Assignee: LEWA Herbert Ott GmbH & Co.
    Inventors: Ralph Heimueller, Eberhard Schluecker