Patents by Inventor Richard J. C. Durand

Richard J. C. Durand 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).

  • Delay fuse for sequentially detonating shaped charges
    Patent number: 5166469
    Abstract: A delay fuse for a warhead (1) including at least two charges (3, 8) for sequential detonation disposed inside a casing (2). The delay fuse comprises a screen (6) movable in a longitudinal axial direction inside the casing (2) and under the effect of the first charge detonating, from a starting position to a destination position in which it acts on control means (12) for firing a second charge. The fuse includes a component of compressible material (13) disposed inside the casing between the screen (6) and the control means (12). The invention is applicable to shells, rockets, or missiles.
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: November 24, 1992
    Assignee: GIAT Industries
    Inventors: Alain L. Kerdraon, Richard J. C. Durand