Patents by Inventor Erich Zimmermann

Erich Zimmermann 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).

  • Patent number: 3936199
    Abstract: A cleaner for carpets, rugs and the like has a roller or brush or the like by means of which cleaning foam is to be applied to the particular textile. It is further provided with two or more chambers, each adapted to contain a chemical component. The chemical components in the several chambers are of the type which, upon contact with one another, will spontaneously react and produce foam for cleaning purposes. An arrangement is provided for permitting the controlled contacting of these components with one another so as to produce the requisite foam which is supplied to the roller or brush.
    Type: Grant
    Filed: March 22, 1974
    Date of Patent: February 3, 1976
    Assignee: Leifheit International Gunter Leifheit KG
    Inventor: Erich Zimmermann