Patents by Inventor John T. Schutzmaier

John T. Schutzmaier 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).

  • Magnetic proximity switch
    Patent number: 4745383
    Abstract: A magnetically operated proximity device is provided with a pivotal armature formed as a hat in cross section with two L-shaped members, one being longer and greater in mass than the other. The horizontal leg of each L-shaped member is arranged such as to contact an electrical contact. The greater surface area of the L-shaped members enhance the sensitivity of the device, with the horizontal leg of each L-shaped member extending over a different pole face of a permanent magnet.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: May 17, 1988
    Inventors: Peter J. Zovath, John T. Schutzmaier