Patents by Inventor Gerard Doyen

Gerard Doyen 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).

  • Hinge and sectional panels on a frame enabling assembly and disassembly thereof
    Patent number: 4694533
    Abstract: The hinge enabling articulation of sectional panels (30) on a frame (10) consisting of a lip (11) forming swivel pin, integral with the frame, and at least one retaining member (20), such retaining member being fitted onto a projecting part (12) of the frame and held in place by a flexible blade (23) having a catch thereon which snaps into a groove (13) in the projecting part, each sectional panel (30) terminating at the hinge in a substantially semi-circular trough (31) guided between the lip (11) and a rounded portion (27) of the retaining member (20) located opposite said lip, features a hand releasing tab (25) made integral with the flexible blade (23) and projecting outside the retaining member (20).
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: September 22, 1987
    Assignee: Alsthom
    Inventor: Gerard Doyen