Patents Examined by Carl D. Quarforth
  • Composite double base propellant with triaminoguanidinium azide
    Patent number: 3971681
    Abstract: 1. A solid rocket propellant composition which consists essentially of from about:1. 30-60 weight per cent of a double base propellant2. 5-30 weight per cent of a finely divided metal fuel3. 5-30 weight per cent of an inorganic oxidizer4. 10-30 weight per cent of triaminoguanidinium azide.
    Type: Grant
    Filed: January 24, 1962
    Date of Patent: July 27, 1976
    Assignee: The Dow Chemical Company
    Inventors: William A. Rains, Robert D. Fox, James P. Flynn
  • Thermoelectric device including an alloy of GeTe and AgSbTe as the P-type element
    Patent number: 3945855
    Abstract: Improved alloys suitable for thermoelectric applications and having the general formula:(AgSbTe.sub.2).sub.1.sub.-x + (GeTe).sub.xwherein x has a value of about 0.80 and 0.85, have been found to possess unexpectedly high thermoelectric properties such as efficiency index, as well as other improved physical properties.
    Type: Grant
    Filed: March 8, 1972
    Date of Patent: March 23, 1976
    Assignee: Teledyne, Inc.
    Inventors: Emanuel Andrew Skrabek, Donald Smith Trimmer