Patents by Inventor John P. Hertsgaard

John P. Hertsgaard 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).

  • Enabling device for a gas generator of a forced dispersion munitions dispenser
    Patent number: 4714020
    Abstract: An enabling device 24 for a gas generator 42 of a forced dispersion munitions dispenser 10 includes a housing 58 in which and formed a bore 60, an outlet lead 88 and a detonator opening 68 in which is positioned an electrically initiated detonator 70. A piston 62 is located in the bore 60 and has a disabled position and an enabled position. A safety groove 64 is formed in the outer surface of the piston 62, and a safety passage 72, a safety aperture 74, 75 and a transfer lead 86 are formed in the piston 62. A gas generator 42 containing a quantity of pyrotechnic material 84 is mounted on the housing 58. The gas generator 42 is provided with a safety outlet 46, 47 and an inlet lead 44.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: December 22, 1987
    Assignee: Honeywell Inc.
    Inventors: John P. Hertsgaard, W. Keith Gallant