Patents Assigned to Gro Master, Inc.
  • Animal feeder having liquid sensor controlling drinking water valve
    Patent number: 5255632
    Abstract: A hog feeder having dry feed fed by gravity to a trough includes a supply of water thereto. A liquid sensor, relay and solenoid valve are used to maintain the water in the trough at a predetermined level. The liquid sensor used to maintain the liquid level at a predetermined level includes an electrically operated sensor that does not malfunction due to abuse by hogs or due to becoming caked with dirt or feed.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: October 26, 1993
    Assignee: Gro Master, Inc.
    Inventors: Richard J. Thomas, Larry L. Coleman