Patents Assigned to Cleave Corporation
  • Cleaning apparatus for submerged surfaces
    Patent number: 5301380
    Abstract: A pool cleaner (1) has a suction head (2) with a flow interrupter having a ball (12) movable to interrupt a primary liquid flow through the suction head and a release means (16) is located downstream of the ball (12) and has a flow passage allowing an auxiliary liquid flow into the tube when the ball interrupts the primary liquid flow. The auxiliary flow abruptly dislodges the ball and allows primary liquid flow.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: April 12, 1994
    Assignee: Cleave Corporation
    Inventors: Alexis A. F. Wadman, Hendrikus J. van der Meyden