Patents by Inventor Felix H. Tevis

Felix H. Tevis 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).

  • Vacuum cleaning system
    Patent number: 3942963
    Abstract: A vacuum cleaning system includes a stationary built-in power unit, a portable vacuum unit, and a flexible hose connecting the power unit and vacuum unit. Dirt and other particulate matter sucked into the system is trapped within a collection chamber of the vacuum unit and air within the collection chamber is evacuated therefrom to pass through the hose and the motor of the power unit.
    Type: Grant
    Filed: February 15, 1973
    Date of Patent: March 9, 1976
    Assignee: Tevis-Campbell Corporation
    Inventor: Felix H. Tevis