Patents by Inventor David W. Leeming

David W. Leeming 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).

  • Fragmentation grenade
    Patent number: 5866841
    Abstract: A fragmentation grenade comprises a quantity of high explosive (11) contained within a casing (12, 13) and means (29) for detonating the high explosive (11) so as to cause the casing (12, 13) to disintegrate into a plurality of high velocity fragments (13). The high explosive (11) and the casing (12, 13) are so configured that the fragments (13) are preferentially projected in one or more particular directions relative to the axis (X--X) of the casing (12, 13), and the grenade is provided with a self-righting mechanism (22), whereby the axis can automatically be placed in a desired orientation.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: February 2, 1999
    Assignee: Royal Ordnance PLC
    Inventors: Richard D. Green, David W. Leeming