Patents by Inventor Floyd Pothoven

Floyd Pothoven 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: 9117648
    Abstract: A method of applying a Faraday cage to a lucent resonator, the resonator having a void containing microwave-excitable material and being adapted for microwave resonance in the resonator and within the Faraday cage for driving a light emitting plasma in the void, the method consisting in the steps of: deposition of a conductive material onto the lucent resonator; applying, patterning and developing a photoresist material over the conductive material to leave the conductive material exposed where it is not required; removing the conductive material where not required and the photoresist material from the required conductive material, leaving a reticular network of conductive material providing a Faraday cage and depositing a layer of protective material over the cage of conductive material.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: August 25, 2015
    Assignee: Ceravision Limited
    Inventors: Floyd Pothoven, Andrew Simon Neate
  • Patent number: 8702465
    Abstract: The manufacture of an electrodeless bulb involves one end of a tube closed off, and a first neck is formed in the tube close to the closed end. A second neck is formed in the tube, close to the still open end; a metal halide pellet of known size is dropped into the tube and the tube is evacuated. With the vacuum being maintained heat is applied to the closed end, causing the metal halide pellet to sublime and with it the impurities. The impurities are drawn off, the vacuum being maintained and the metal halide condenses in the tube between the necks. Once the tube is cool, the evacuation is discontinued and the tube is refilled with noble gas and the quartz tube is sealed off at the second neck.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: April 22, 2014
    Assignee: Ceravision Limited
    Inventors: Charles Guthrie, Edwin Charles Odell, Robin Devonshire, Donald Wilson, Floyd Pothoven
  • Publication number: 20130052904
    Abstract: A method of applying a Faraday cage to a lucent resonator, the resonator having a void containing microwave-excitable material and being adapted for microwave resonance in the resonator and within the Faraday cage for driving a light emitting plasma in the void, the method consisting in the steps of: deposition of a conductive material onto the lucent resonator; applying, patterning and developing a photoresist material over the conductive material to leave the conductive material exposed where it is not required; removing the conductive material where not required and the photoresist material from the required conductive material, leaving a reticular network of conductive material providing a Faraday cage and depositing a layer of protective material over the cage of conductive material.
    Type: Application
    Filed: February 8, 2011
    Publication date: February 28, 2013
    Inventors: Floyd Pothoven, Andrew Simon Neate
  • Publication number: 20130040529
    Abstract: The manufacture of an electrodeless bulb involves one end of a tube closed off, and a first neck is formed in the tube close to the closed end. A second neck is formed in the tube, close to the still open end; a metal halide pellet of known size is dropped into the tube and the tube is evacuated. With the vacuum being maintained heat is applied to the closed end, causing the metal halide pellet to sublime and with it the impurities. The impurities are drawn off, the vacuum being maintained and the metal halide condenses in the tube between the necks. Once the tube is cool, the evacuation is discontinued and the tube is refilled with noble gas and the quartz tube is sealed off at the second neck.
    Type: Application
    Filed: July 5, 2012
    Publication date: February 14, 2013
    Inventors: Charles Guthrie, Edwin Charles Odeil, Robin Devonshire, Donald Wilson, Floyd Pothoven
  • Patent number: 8241082
    Abstract: A method of making an electrodeless incandescent bulb comprises the steps of: providing a bulb tube of quartz glass, closing one end of the bulb tube, forming a neck having a bore less than the internal diameter of the bulb tube, inserting a pellet of excitable material into the bulb tube through the adjacent neck, evacuating the bulb tube through the neck and sealing the bulb.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: August 14, 2012
    Assignee: Ceravision Limited
    Inventors: Charles Guthrie, Donald Wilson, Floyd Pothoven, Eddie Odell, Robin Devonshire
  • Publication number: 20080227359
    Abstract: A method of making an electrodeless incandescent bulb comprises the steps of: providing a bulb tube of quartz glass, closing one end of the bulb tube, forming a neck having a bore less than the internal diameter of the bulb tube, inserting a pellet of excitable material into the bulb tube through the adjacent neck, evacuating the bulb tube through the neck and sealing the bulb.
    Type: Application
    Filed: December 23, 2005
    Publication date: September 18, 2008
    Inventors: Charles Guthrie, Donald Wilson, Floyd Pothoven, Eddie Odell, Robin Devonshire