Patents by Inventor Roy M. Kartzmark, Jr.

Roy M. Kartzmark, Jr. 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).

  • Hydrodynamic configuration to be used on underwater launched, unpropelled bodies
    Patent number: 4033225
    Abstract: An underwater launched, elongated, buoyant body which has fore and aft ends nd a positive metacentric height. A pair of fins are mounted at the aft end of the body in a spaced apart relationship and each fin has a projection for acting in combination with the other projection to establish the body in a stabilized, straight line upward glide through the water. When the buoyant body is launched from its submerged position, it will assume a constant upward glide path which is stabilized in roll, pitch, and yaw.
    Type: Grant
    Filed: February 6, 1974
    Date of Patent: July 5, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Roy M. Kartzmark, Jr.