Patents by Inventor Christopher John Welham

Christopher John Welham 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).

  • Method of disposing of explosive munitions
    Patent number: 5790963
    Abstract: A method is described for disposing of an explosive munition consisting of a mass of explosive contained in a casing, which method comprises locally heating a region of the casing to a temperature below the melting point of the material of the casing but sufficiently hi to initiate combustion of the explosive mass.The heat is preferably applied by the use of a thermit which burns at a lower temperature than conventional thermits an which uses as a combustible powder a mixture of aluminum iron oxide and a moderator, such as silica sand.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: August 4, 1998
    Assignee: Disarmco Limited
    Inventor: Christopher John Welham