Patents by Inventor Helen Jennifer Gallon

Helen Jennifer Gallon 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).

  • Single crystal chemical vapor deposited synthetic diamond materials having uniform color
    Patent number: 11746436
    Abstract: A coloured single crystal CVD synthetic diamond material comprising: a plurality of layers, wherein the plurality of layers includes at least two sets of layers which differ in terms of their defect composition and colour, wherein defect type, defect concentration, and layer thickness for each of the at least two sets of layers is such that if the coloured single crystal CVD diamond material is fabricated into a round brilliant cut diamond comprising a table and a culet, and having a table to culet depth greater than 1 mm, the round brilliant cut diamond comprises a uniform colour as viewed by naked human eye under standard ambient viewing conditions in at least a direction through the table to the culet.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: September 5, 2023
    Assignee: Element Six Technologies Limited
    Inventors: Harpreet Kaur Dhillon, Ian Friel, Daniel James Twitchen, Sarah Louise Geoghegan, Helen Jennifer Gallon, Neil Perkins, Philip Maurice Martineau
  • SINGLE CRYSTAL CHEMICAL VAPOUR DEPOSITED SYNTHETIC DIAMOND MATERIALS HAVING UNIFORM COLOUR
    Publication number: 20150240382
    Abstract: A coloured single crystal CVD synthetic diamond material comprising: a plurality of layers, wherein the plurality of layers includes at least two sets of layers which differ in terms of their defect composition and colour, wherein defect type, defect concentration, and layer thickness for each of the at least two sets of layers is such that if the coloured single crystal CVD diamond material is fabricated into a round brilliant cut diamond comprising a table and a culet, and having a table to culet depth greater than 1 mm, the round brilliant cut diamond comprises a uniform colour as viewed by naked human eye under standard ambient viewing conditions in at least a direction through the table to the culet.
    Type: Application
    Filed: September 13, 2013
    Publication date: August 27, 2015
    Inventors: Harpreet Kaur Dhillon, Ian Friel, Daniel James Twitchen, Sarah Louise Geoghegan, Helen Jennifer Gallon, Neil Perkins, Philip Maurice Martineau