Patents by Inventor David Percy Anstey

David Percy Anstey 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).

  • Patent number: 6119981
    Abstract: A drogue assembly comprises a circumferential array of triangular support arms. Each support arm is pivoted and mounted on a pivot pin at its apex for swinging movement in a radial direction. Each juxtaposed pair of support arms is joined together by a net which is joined to each of those support arms at spaced intervals therealong. The support arms carry a drogue parachute which extends circumferentially around their shortest sides.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: September 19, 2000
    Assignee: Flight Refuelling Limited
    Inventors: Roy Gerald Seymour Young, David Percy Anstey