Patents by Inventor Harry E. Hoon

Harry E. Hoon 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).

  • Bag filter cleaning device
    Patent number: 3955947
    Abstract: Impacting devices are provided to strike the sway frame which supports the filtering bags in a bag house. The impacting devices each include a stationarily-mounted bracket, an externally-threaded sleeve that is adjustably received in the bracket, a bolt-like striker member slidable in the sleeve and a coil spring which biases the striker member to an extended position relative to the sleeve.
    Type: Grant
    Filed: November 13, 1974
    Date of Patent: May 11, 1976
    Assignee: Envirotech Corporation
    Inventors: Harry E. Hoon, Marion C. Pogoda