Patents by Inventor Henry A. Nappier

Henry A. Nappier 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).

  • Supports and preparation process for the manufacture of a calcium chemical pump for HF/DF laser
    Patent number: 4260653
    Abstract: A process for producing a calcium chemical pump which includes reacting cium and anhydrous ammonia in a closed vessel that is cooled to a temperature below 0.degree. C. to form a solution of the calcium and anhydrous ammonia and then spraying the solution onto a rotating porous foamed substrate material in a closed container that has a vacuum pulled thereon, and the solution when sprayed causing the ammonia to flash and be evaporated and drawn off by the vacuum to cause the calcium to be deposited on the rotating porous foamed substrate material.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: April 7, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Pasquale Martignoni, James A. Murfree, Henry A. Nappier, Orval E. Ayers, William M. Chew
  • Amine-boranes as hydrogen generating propellants
    Patent number: 4157927
    Abstract: The use of a class or compounds known as amine-boranes and their derivati in solid propellants to produce or generate hydrogen or deuterium upon combustion.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: June 12, 1979
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: William M. Chew, James A. Murfree, Pasquale Martignoni, Henry A. Nappier, Orval E. Ayers