Patents Assigned to John F. Langenbach
  • Patent number: 4602460
    Abstract: A cleaning apparatus for unclogging a gutter downspout of debris comprising a motor connected to a source of power and mounted above the downspout, auger means positioned within the downspout and rotated by the motor, and means for supplying power to the motor when water in the gutter attains a predetermined level in order to actuate the motor and for discontinuing the supply of power to the motor when the level of water drops to a second but substantially lower level thereof.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: July 29, 1986
    Assignee: John F. Langenbach
    Inventor: John F. Langenbach