Patents by Inventor Thomas R. Krawietz

Thomas R. Krawietz 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).

  • Plasticized, wax-based binder system for melt castable explosives
    Patent number: 6641683
    Abstract: A melt-castable explosive composition not based on TNT consisting essentially of about 10 to 20 weight percent of a matrix material having a melting temperature of about 80° to 100° C., about 1 to 5 weight percent of a plasticizer, up to about 20 weight percent of a metal powder, up to about 20 weight percent of an oxidizer and about 70 to 89 weight percent of a high explosive. The matrix material is carnauba wax modified with ozokerite wax in a weight ratio of about 1:1 to 20:1.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: November 4, 2003
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Robert L. McKenney, Jr., John F. Leahy, Spencer T. Parkin, Thomas R. Krawietz