Patents by Inventor Wayne Douglas Campbell

Wayne Douglas Campbell 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: 7712929
    Abstract: A light fixture device comprises a reflector portion having a pair of parallel longitudinal boundary regions and a pair of parallel lateral boundary regions; the reflector portion being shaped according to a longitudinal focal line, a pair of housing portions, each for engaging a corresponding lateral boundary region; at least one connector portion for coupling the housing portions together with the reflector portion.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: May 11, 2010
    Assignee: Canlyte Inc.
    Inventors: Gary Eugene Schaefer, Wayne Douglas Campbell
  • Publication number: 20080219008
    Abstract: A light fixture device comprises a reflector portion having a pair of parallel longitudinal boundary regions and a pair of parallel lateral boundary regions; the reflector portion being shaped according to a longitudinal focal line, a pair of housing portions, each for engaging a corresponding lateral boundary region; at least one connector portion for coupling the housing portions together with the reflector portion.
    Type: Application
    Filed: March 6, 2008
    Publication date: September 11, 2008
    Applicant: Canlyte Inc.
    Inventors: Gary Eugene Schaefer, Wayne Douglas Campbell
  • Patent number: 5964522
    Abstract: The invention provides a floodlight in which the lamp axis is offset from the axis of a reflector. In the preferred embodiment an arc lamp is oriented vertically when the reflector axis is oriented at an oblique downward angle. The reflector includes a back reflector having a parabolic reflecting surface and a front reflector having at least one ellipsoidal reflecting surface disposed symmetrically about the reflector axis. In a preferred embodiment the front reflector is hinged to the back reflector and can be pivoted away from the back reflector to expose the lamp to facilitate cleaning and maintenance.
    Type: Grant
    Filed: November 28, 1997
    Date of Patent: October 12, 1999
    Assignee: Canlyte Inc.
    Inventors: Gary Eugene Schaefer, Wayne Douglas Campbell
  • Patent number: D494701
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: August 17, 2004
    Assignee: Canlyte Inc.
    Inventor: Wayne Douglas Campbell