Patents by Inventor Arnold M. Crelier

Arnold M. Crelier 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).

  • Method for improving metal combustion in solid rocket propellants
    Patent number: 4017342
    Abstract: A method for improving the ballistic properties of aluminum powder based rocket propellants by treating the aluminum powder with hydrogen fluoride gas prior to its incorporation into a propellant formulation.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: April 12, 1977
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Robert L. Geisler, Arnold M. Crelier, Francisco Q. Roberto
  • Burning rate modifiers for solid propellants
    Patent number: 4000024
    Abstract: A solid propellant formulation which utilizes the addition of low levels of transition metal fluorides, such as cupric fluoride and ferric fluoride, as a modifying agent to increase the propellant burning rate while simultaneously decreasing its pressure exponent.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: December 28, 1976
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Francisco Q. Roberto, Arnold M. Crelier, Gary D. Lium