Patents by Inventor Irving Mines

Irving Mines 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).

  • Piggy back electric float switch
    Patent number: 3980847
    Abstract: A switch means for closing an electrical circuit to operate any desired device such as a pump or an alarm, the switch means being adapted to be positioned in the bilge of a ship or boat and being actuated into circuit closing position by the rising of the bilge water beyond a predetermined level, the switch means including a float riding on the water and wires which are always clear of the water and are not subject to bending or frictional stresses and strains.
    Type: Grant
    Filed: November 13, 1974
    Date of Patent: September 14, 1976
    Inventors: Kenneth S. Mines, Irving Mines, Guy Goulet