Patents Assigned to Poolvernguegen
  • Four-wheel-drive automatic swimming pool cleaner
    Patent number: 6854148
    Abstract: A four-wheel pool cleaner (20) motivated by water flow to move along a pool surface, and having: a body (24); the four wheels rotatably mounted thereon and including two sets of two wheels (22) each, one wheel of each set on each side; a drive mechanism (36) in position to be moved by water flow and having a rotatable drive member (76); a drive train extending to the first wheel set (22a, b) and to the second wheel set (22c, d), to drive all four wheels.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: February 15, 2005
    Assignee: Poolvernguegen
    Inventors: Dieter J. Rief, Manuela Rief