Patents by Inventor Werner Kratzer

Werner Kratzer 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).

  • Device for measuring flow rate in a pipe
    Patent number: 4829831
    Abstract: A device for measuring flow rate of a flowing medium in a pipe having a throttling device received therein, and a meter for measuring pressure differential connected to the throttling device, including a measuring device for determining density of the medium being disposed in the flowing medium, the pressure differential meter and the measuring device for determining the density of the medium being connected to an evaluation unit for determining the flow rate from the pressure differential in the flowing medium and the density of the medium, the measuring device for determining the density of the medium being located at a section of the throttling device which has a uniformly smaller diameter than that of the pipe.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: May 16, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Volker Kefer, Werner Kratzer, Franz Reitbacher