Patents by Inventor Gerhard Orth

Gerhard Orth 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).

  • Floor cleaning apparatus
    Patent number: 3959847
    Abstract: A cylindrical brush, turnable about a horizontal axis in a housing, has hollow end portions extending along said axis. An arrangement for adjusting the brush relative to said housing and for removing it therefrom, is mounted in said hollow end portions of the brush. The adjusting arrangement comprises a pair of eccentrics respectively arranged in the hollow end portions of the brush, and having end portions normally arranged in openings in adjacent side walls of said housing.
    Type: Grant
    Filed: April 2, 1974
    Date of Patent: June 1, 1976
    Assignee: Vorwerk & Co. Elektrowerke KG
    Inventors: Heinz Kaulig, Gerhard Orth