Patents by Inventor Gerald L. Mackenzie

Gerald L. Mackenzie 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).

  • Coolant additives for nitrogen generating solid propellants
    Patent number: 3977924
    Abstract: Cooled gas generating solid propellant, includes sodium azide or lithium de as a nitrogen gas source, a fluorocarbon binder material, a combustion catalyst, and alkaline metal acid salt coolant.
    Type: Grant
    Filed: April 1, 1974
    Date of Patent: August 31, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Charles R. McCulloch, Gerald L. MacKenzie
  • Solid gas generating and gun propellant composition containing triaminoguanidine nitrate and synthetic polymer binder
    Patent number: 3954528
    Abstract: Solid gas generating and gun propellant compositions employing triaminogudine nitrate as a propellant ingredient in admixture with an oxidant and a suitable compatible binder material.
    Type: Grant
    Filed: November 6, 1970
    Date of Patent: May 4, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Marguerite S. Chang, John H. Highby, Gerald L. Mackenzie
  • Ignition composition
    Patent number: H169
    Abstract: An igniter composition for a gas generator comprises a stoichiometric comation of pyrotechnic metal selected from the group consisting of beryllium, boron, lithium, sodium, titanium, magnesium, aluminum and alloys and mixtures thereof and one or more halogenated polymers; and fumed colloidal silica in an amount from about 0.5 to about 2.5 percent of the total composition weight.
    Type: Grant
    Filed: May 22, 1986
    Date of Patent: December 2, 1986
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Gerald L. Mackenzie, Robert O. Petri, James E. Rose