Patents by Inventor Rolf Menne

Rolf Menne 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: 4301735
    Abstract: In a system for the transmission of ground vibrations to an ignition device, a frequency filter and a timing circuit are disposed between the sensor and the ignition device. The timing circuit permits the feeding of the output signal of the frequency filter to the ignition device only after the mechanical vibrations producing the output signal of the frequency filter have acted on the sensor for a predetermined, variable period of time.
    Type: Grant
    Filed: September 5, 1979
    Date of Patent: November 24, 1981
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Rolf Menne, Willi Petters