Patents by Inventor Gilbert H. White

Gilbert H. White 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).

  • Modified feed frames for tableting machine
    Patent number: 4157148
    Abstract: A multiple compartment feed frame for supplying powder to the dies of a tableting machine, wherein a relief opening is provided in the leading compartment to permit excess powder to escape therefrom and be subsequently introduced either into a trailing compartment or collected and re-introduced into the leading compartment, whereby the level of powder in the leading compartment is maintained substantially constant in spite of fluctuations in the supply of powder thereto.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: June 5, 1979
    Assignee: The Upjohn Company
    Inventor: Gilbert H. White