Patents by Inventor Robert Muddiman

Robert Muddiman 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).

  • Rupture disc
    Patent number: 5058413
    Abstract: In a rupture disc, wherein the disc includes a central dome shaped member, there is provided an improvement by using a pattern of spaced apart small holes in the rupture disc. The pattern of holes has at least one series of aligned holes extending interiorly from the edge of the disc across the central dome shaped member. There is also disclosed a method of manufacturing the same.
    Type: Grant
    Filed: November 7, 1989
    Date of Patent: October 22, 1991
    Inventor: Robert Muddiman