Patents by Inventor Steven John Everest

Steven John Everest 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).

  • Coil assembly for an electrodeless fluorescent lamp
    Patent number: 6084359
    Abstract: A coil assembly for an electrodeless fluorescent lamp comprises a hollow ferrite core 30, and a coil 31. The core is retained on a base 32 by a coil former 34 surrounding the core. The core 30 is retained in the former 34 by a circlip 33 or projections. The coil 31 is wound on the former. Pins 36 to which the coil is soldered connect the coil to an energizing circuit.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: July 4, 2000
    Assignee: General Electric Company
    Inventors: Frederick Hetzel, Robert S. McFeely, Vito Joseph Arsena, Joseph C. Oberle, David O. Wharmby, Steven John Everest, Mahomed Hanif Girach
  • Amalgam Positioning in an electrodeless fluorescent lamp
    Patent number: 5789855
    Abstract: An electrodeless fluorescent reflector lamp has a discharge vessel containing a fill, a solenoid in a reentrant and indium on the inner wall of the vessel acting as a primary amalgam. A secondary amalgam of indium may be provided on the reentrant.The primary amalgam is preferably under an insulative skirt. The vessel has a light reflective coating on the inner wall under the skirt.The exhaust tube is tipped off at the proximal end of the reentrant or is omitted, the vessel being tipped off at the distal end of the reentrant.
    Type: Grant
    Filed: October 17, 1996
    Date of Patent: August 4, 1998
    Assignee: General Electric Company
    Inventors: Graham Malcolm Forsdyke, Joseph Darryl Michael, Steven John Everest, Joseph Christopher Borowiec, Zoltan Toth