Patents by Inventor Fred Edge

Fred Edge 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 structure
    Patent number: 3934602
    Abstract: A reverse buckling rupture disc safety device wherein there are associated cutting means, these cutting means releasably mounted in a sub-assembly, allowing ready replacement of the cutting means.
    Type: Grant
    Filed: January 21, 1974
    Date of Patent: January 27, 1976
    Assignee: Process Equipment Limited
    Inventors: George Robert Muddiman, Fred Edge