Patents by Inventor Robert A. Seng

Robert A. Seng 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).

  • Vehicle cleaning brush having limited penetration
    Patent number: 4338698
    Abstract: A rotatable cloth scrubbing rush for cleaning the exterior of a vehicle comprises a rotatable shaft or hub, a plurality of cloth wiping members for contacting the surface to be cleaned, and means for limiting the penetration of the portion of the vehicle being cleaned with the brush. One such means for limiting penetration of the portion of the vehicle being cleaned comprises a disk wheel of a predetermined diameter mounted around said shaft or hub and interposed between said cloth wiping members. Another means for limiting penetration comprises sets of bristles connected at one end to said shaft or hub and interleaved between rows of cloth wiping members.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: July 13, 1982
    Assignee: Sherman Industries, Inc.
    Inventors: Carl C. Beer, Robert A. Seng