Patents Examined by Laura C Giudotti
  • Compact automated window washing apparatus
    Patent number: 10820761
    Abstract: An automated washing system for vertical surfaces of buildings can include a frame, a main brush rotatably disposed in the frame, at least two bumper wheels provided to opposing ends of the frame where the at least two bumper wheels can contact the vertical surfaces of building during a cleaning operation; and an electric drive motor disposed adjacent one of the opposing circular ends of the main brush.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: November 3, 2020
    Assignee: Pachanga Holdings, LLC
    Inventors: Michael R. Lange, Jim Berres, James G. Pritschet