Patents by Inventor Kenneth John Keys

Kenneth John Keys 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).

  • Removal of odors from toilets
    Patent number: 5857222
    Abstract: An apparatus for removal of odours from a toilet comprises a vacuum motor and a hose connected to the interior of a toilet pan. The toilet seat includes a hinge comprising a central hollow duct (102) provided with apertures (132) which face the toilet plan for removal of odours therefrom. The odours are sucked from the toilet through the duct and hose and through a vacuum motor assembly and expelled through an outlet in the vacuum motor assembly.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: January 12, 1999
    Assignee: O.T.T. (Australia) Pty Ltd
    Inventor: Kenneth John Keys