Patents by Inventor Richard C. Hatcher

Richard C. Hatcher 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).

  • Solid fuel gas generator for ducted rocket engine
    Patent number: 6258188
    Abstract: In the development of new minimum signature ducted rocket technology, the U.S. Army MICOM Propulsion Directorate has conducted studies for the development of fuel-rich gas generators for ducted rockets. The propellant formulation goals of this study include increasing burning rate, pressure exponent, and combustion efficiency without significantly decreasing fuel value. Formulations described in this application contain an energetic nitramine-prepolymer, a range of curing agents, and zirconium hydride (ZrH2) fuel element and carbon (C) as an optional fuel element.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: July 10, 2001
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Richard C. Hatcher, William D. Stephens, Robert L. Stanley