Patents by Inventor Olaf Günther

Olaf Günther 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: 6431607
    Abstract: A vacuum-cleaner pipe assembly can have inner and outer pipes telescopingly engaged with one another and on a sleeve surrounding the inner pipe, a locking body which engages in selected detents formed on the inner pipe. A rocker or rotatable eccentric in a housing on the sleeve surrounding the inner pipe bears directly against the locking body and is biased by a spring into the locking position.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: August 13, 2002
    Assignee: Froh House Tech GmbH & Co. KG
    Inventors: Gotthard Kittelmann, Olaf Günther, Jürgen Schiemann