Patents Assigned to U.S. Energy Technologies, Inc.
  • Electrodeless lamp core assembly including coil bobbin and lamp envelope protector
    Patent number: 7772753
    Abstract: In an electrodeless lamp, at least one core assembly is coupled to a tubular lamp envelope. The core assembly includes a lamp envelope protector disposed over an outer surface of the lamp envelope, and a core member surrounding the lamp envelope at a core mounting location such that lamp envelope protector is disposed between the core member and the lamp envelope. The core assembly further includes a coil bobbin coupled to the core member, and a coil wounded around the coil bobbin.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: August 10, 2010
    Assignee: U.S. Energy Technologies, Inc.
    Inventor: Byung Il Ham
  • Electrodeless lamp and core having indented coil winding section for use with tubular lamp envelope
    Patent number: 7737613
    Abstract: An electrodeless lamp assembly includes a tubular lamp envelope, at least one core having a closed-loop body disposed so as to surround a core mounting portion of the tubular lamp envelope. The core includes an indented coil winding section formed by an indentation formed in an inner side section of the closed-loop body adjacent to a centrally located opening. The electrodeless lamp assembly further includes an induction coil wound around the indented coil winding section of the core.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: June 15, 2010
    Assignee: U.S. Energy Technologies, Inc.
    Inventor: Byung Il Ham
  • Street light
    Patent number: D624685
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: September 28, 2010
    Assignee: U.S. Energy Technologies, Inc.
    Inventors: Richard K. Ham, Kyungfan Moon, Byung Il Ham
  • Street light
    Patent number: D653374
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: January 31, 2012
    Assignee: U.S. Energy Technologies, Inc.
    Inventor: Richard K. Ham
  • Tunnel light
    Patent number: D679849
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: April 9, 2013
    Assignee: U.S. Energy Technologies, Inc.
    Inventor: Richard K. Ham