Patents by Inventor Gieland Guhne

Gieland Guhne 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: 4885013
    Abstract: The present invention relates to an arrangement of filter bags in electric vacuum cleaners in which the filter bag has a bottom plate which has an insertion opening for a fan-side air-blast socket and at least one side-edge indentation (28) and is arranged as a transverse wall in a filter-bag chamber (6) which is adjacent a motor-fan housing (5) and can be lifted off from it. A second side-edge indentation is disposed opposite first side-edge identation and housing-side profections extend into both indentations and protrude beyond the lower side of the bottom plate.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: December 5, 1989
    Assignee: Vorwerk & Co. Interholding GmbH
    Inventors: Heinz-Jurgen Ahlf, Gieland Guhne, Manfred Eckhart