Patents by Inventor Gerard Francis Hamilton

Gerard Francis Hamilton 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).

  • REFRACTOR AND LIGHTING APPARATUS
    Publication number: 20100027267
    Abstract: A lighting apparatus (1,2) comprising optical elements (3), electrical elements and an attachment device (4). The optical elements (3) comprise a refractor (10) attachable to the attachment device (4). The refractor (10) comprises two planar members (101, 102) and an arcuate member (103) connecting the planar members (101, 102) to define a cavity (104). Each member having an inner and an outer surface. The optical elements (3) further comprising a light source (11) mountable within the cavity (104) of the refractor by means of a lampholder (11a) positioned in the attachment device (4). The refractor (10) further comprises a plurality of prismatic surfaces (101a, 102a, 103a) wherein at least one prismatic surface is the inner surface (101a, 102a) of at least one planar member and at least one prismatic surface is the outer surface (103a) of the arcuate member.
    Type: Application
    Filed: October 30, 2007
    Publication date: February 4, 2010
    Inventor: Gerard Francis Hamilton
  • Light fitting
    Patent number: D707879
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: June 24, 2014
    Inventor: Gerard Francis Hamilton