Patents by Inventor Herbert Frankl

Herbert Frankl 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).

  • Method for setting and checking the flow in valves
    Patent number: 5641891
    Abstract: Method for setting and/or checking the flow or through-flow in valves, particularly injection valves for internal combustion engines. The injection valve is placed in a measuring device and subject to the action of a fluid. The fluid is passed through the valve at a given volume flow. The pressure set in the measuring device is determined and serves as a measure for the setting and/or checking of the injection valve.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: June 24, 1997
    Assignee: Sonplas GmbH
    Inventors: Herbert Frankl, Christian Ludwig, Rudolf Raith