Patents by Inventor Brett D. Payne

Brett D. Payne 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).

  • Portable propellant cutting assembly, and method of cutting propellant with assembly
    Patent number: 6378436
    Abstract: A propellant cutting assembly and method of using the assembly to cut samples of solid propellant in a repeatable and consistent manner is disclosed. The cutting assembly utilizes two parallel extension beams which are shorter than the diameter of a central bore of an annular solid propellant grain and can be loaded into the central bore. The assembly is equipped with retaining heads at its respective ends and an adjustment mechanism to position and wedge the assembly within the central bore. One end of the assembly is equipped with a cutting blade apparatus which can be extended beyond the end of the extension beams to cut into the solid propellant.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: April 30, 2002
    Assignee: Cordant Technologies Inc.
    Inventors: Roger A. Sharp, Shawn W. Hoskins, Brett D. Payne