Patents by Inventor Edwin G. Drumheller

Edwin G. Drumheller 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).

  • Advanced aircrew protection system
    Patent number: 5318018
    Abstract: An advanced aircrew protection system comprising a helmet assembly adapted to sustain a full pneumatic pressure within the helmet adjacent to the head of the wearer; a suit assembly adapted to sustain a pressure adjacent to selected parts of the body of the wearer; a neck shroud operatively coupled with the helmet assembly and the suit assembly and adapted to pneumatically isolate the helmet assembly from the suit assembly; and controller adapted to independently supply fluid under pressure to the helmet assembly and to the suit assembly. Within the helmet is a dual compartment for an independent supply of fluid to an oral nasal mask separate from the remainder of the helmet assembly.
    Type: Grant
    Filed: December 18, 1991
    Date of Patent: June 7, 1994
    Assignee: Northrop Corporation
    Inventors: Samuel C. Puma, Edwin G. Drumheller, Darold B. Cummings