Patents by Inventor Floyd Leonard Malmborg

Floyd Leonard Malmborg 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: 3995243
    Abstract: A fault detection indicator comprises an electromagnetic core and coil assembly, a repulsion permanent magnet and two trip-latch permanent magnets. In addition, an indicator button may be employed to present the state of the indicator. The indicator design presents a simple construction which will electrically change its indicated state, remain in latched position and be capable of being manually restored. Internal switches may be included in the indicator which function in conjunction with the trip-latch magnets.
    Type: Grant
    Filed: October 17, 1974
    Date of Patent: November 30, 1976
    Assignee: North American Philips Corporation
    Inventor: Floyd Leonard Malmborg