Patents by Inventor John E. Warrington

John E. Warrington 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).

  • Air vehicle
    Patent number: 4685640
    Abstract: An air vehicle for lifting loads generates lift forces from helium gas within a torus-shaped envelope having a central passageway, and from a fan arrangement designed to direct air downwardly through the passageway. Lateral propulsion units are provided on the envelope. In one embodiment, the fan arrangement comprises two fans carried by a saddle supported on the envelope, while in another embodiment a single fan is carried by a gondola suspended from the envelope.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: August 11, 1987
    Assignee: Hystar Aerospace Development Corporation
    Inventors: John E. Warrington, Dale C. Kramer
  • Motion detector
    Patent number: D339758
    Type: Grant
    Filed: May 1, 1992
    Date of Patent: September 28, 1993
    Inventor: John E. Warrington