Patents by Inventor Charles W. Semple

Charles W. Semple 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).

  • Ceramic armor
    Patent number: 5456156
    Abstract: A ceramic armor having a tough backup plate and metal reinforcement in the ceramic to minimize damage thereto as projectiles smash into the armor and are shattered.
    Type: Grant
    Filed: September 14, 1965
    Date of Patent: October 10, 1995
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Charles W. Semple
  • Transparent ceramic composite armor
    Patent number: H1519
    Abstract: Transparent ceramic armor consisting of a light weight composite formed by tilizing a face plate of transparent aluminum oxide or transparent magnesium oxide with a back-up plate of transparent plastic and the two plates bonded together with a transparent adhesive. This composite on test affords complete ballistic protection against 0.30 AP M2 projectiles at 0.degree. obliquity with a muzzle velocity of 2770 ft. per sec.
    Type: Grant
    Filed: January 24, 1966
    Date of Patent: March 5, 1996
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Charles W. Semple