Patents by Inventor JunQuan Rao

JunQuan Rao 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: 8931936
    Abstract: A height-adjustable pendant lamp canopy assembly with an overhead-mounted junction box; a base-plate mounted transformer therein; an apertured insulating spacer plate below the base plate; a releasable cord grip with a threaded lower end protruding through the aperture; and, a clamping nut securing, releasably, the canopy cover on the end of the cord grip. A cord braid connector has a metal body with a cord-receiving, through-socket, a terminating portion for a fixture ground wire, and, a transverse screw hole. A braid-clamping, metal collar is clamped around braid of cord extending through the through-socket with the collar stuffed axially into the through-socket; and a clamping screw in the screw hole anchoring the metal collar and braid in the through-socket in a permanent electrical connection of the braid and the connector body, irrespective of limited lamp raising or lowering movement of the lamp power cord.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: January 13, 2015
    Assignee: W.A.C. Lightning Company Ltd
    Inventors: Sean Tham, Molly McGee, JunQuan Rao