Patents by Inventor Marinus Johannes Gerardus VAN DEN Hoogen

Marinus Johannes Gerardus VAN DEN Hoogen 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).

  • Vibration amplitude transducer
    Patent number: 4040290
    Abstract: A transducer for measuring the amplitude of vibration of a member vibrating at a constant frequency. An outflow aperture is supplied from a compressed air supply, and opposite to the outflow aperture an obstructing element is arranged which can close the outflow aperture, the outflow aperture and element undergoing relative motion transverse to the direction of air flow. The average quantity of outflowing air is measured.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: August 9, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Peter Leendert Holster, Adam Ooms, Marinus Johannes Gerardus VAN DEN Hoogen