Patents Assigned to Hydro Mix, Inc.
  • Liquid proportioning device
    Patent number: 4068681
    Abstract: The Improved Liquid Proportioning Device of this invention comprises a combination of all the features of the liquid proportioning device set forth in Applicant's prior U.S. Pat. No. 2,856,234 with the addition of a closure device including air vent means equipped with a float valve. The air vent may, in one embodiment work in combination with a flow-diverting conduit, where closure means are provided for the air vent and the flow-diverting conduit.
    Type: Grant
    Filed: October 10, 1975
    Date of Patent: January 17, 1978
    Assignee: Hydro Mix, Inc.
    Inventors: Hugh Noel McNair, Stuart William Olson