Patents by Inventor Ingo Neumayer

Ingo Neumayer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cleaning device
    Patent number: 6321406
    Abstract: In order to facilitate moving with a cleaner comprised, on one side, of two parallel brush-rollers secured to a frame and actuated so as to rotate in opposite directions and, on the other side, of a push bar attached to the frame, it is suggested by the invention that the push bar be fixed at a distance from the frame in the direction of the rotating axis of the brush-rollers and rotationally fixed to the frame to enable a rotation following a cycle parallel to the axis of rotation.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: November 27, 2001
    Assignee: Alfred Kaercher GmbH & Co.
    Inventors: Martin Kloepfer, Ingo Neumayer