Patents by Inventor David R. Beeler

David R. Beeler 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).

  • Patent number: 4177308
    Abstract: A non-combustible, abradable sealant composition for jet engines comprising a major amount of aluminum phosphate and a minor amount of silica or glass microspheres.
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: December 4, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: David R. Beeler
  • Patent number: 3970006
    Abstract: A missile nose cone removable protective cover having a rigid outer shell of cross-linked polyethylene with a semirigid backing of polyurethane foam. A shaped linear charge is positioned in a serpentine pattern between the rigid outer shell and the foam backing. The shaped linear charge is detonated by means of a detonator in an epoxy junction box in the forward end of the nose cover.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: July 20, 1976
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Robert L. Copeland, Ralph F. Greene, David R. Beeler, Robert A. Eastridge, Vance A. Chase