Patents by Inventor Roscoe E. Baker

Roscoe E. Baker 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: 4349323
    Abstract: A hopper-feeder (10) especially suited for, but not limited to, continuously feeding self adhering powders to a subsequent processing step is disclosed. In particular, the apparatus includes a first hopper (12), an intermediate passageway (16), a second hopper (18) and a feed guide (20). A wiper (32), a bottle brush auger (34) and an associated auger cleaning rod (36) expedite powder flow. Shear blades (40), disposed within the second hopper (18), further break up any undesirable particles before exiting the apparatus (10).
    Type: Grant
    Filed: January 30, 1981
    Date of Patent: September 14, 1982
    Assignee: Ray-O-Vac Corporation
    Inventors: William B. Furbish, Roscoe E. Baker