Patents by Inventor Robert E. Berg

Robert E. Berg 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).

  • Lesser shock separation fastener
    Patent number: 4671715
    Abstract: A shear type separation fastener having a punch piston which shears a ring of material from the head of a bolt to face the shank of the bolt. The punch piston has a face with a shearing edge that presents an advancing point of contact with the bolt head to reduce the maximum force needed to shear the material.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: June 9, 1987
    Assignee: Hi-Shear Corporation
    Inventor: Robert E. Berg