Patents by Inventor Keith Haughey

Keith Haughey 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).

  • Glass composition
    Patent number: 8461070
    Abstract: Flat glass composition comprising the following (expressed as percentages by weight): SiO2 60 75%; Al2O3 0 5%; Na2O 10 18%; K2O 0 5.5%; CaO 0 5%; MgO 0-2%; SO3 0 1%; Fe2O3 (total iron)>0.01%; TiO2 0-1% and one or both of: SrO 0-15%; BaO 0-15% with the proviso that the summed amount of SrO and BaO is greater than 4%. A preferred composition comprises: SiO2 65-74%; Al2O3 0-3%; Na2O 13 16%; K2O 0-2%; CaO 1-4.9%; MgO 0-2%; SO3 0-1%; Fe2O3 (total iron)>0.01%; TiO2 0 1%; BaO 4-10%; SrO 0-5%, wherein the summed amount of the alkaline earth metal constituents is in the range 10-13% and the summed amount of the alkali metal constituents is in the range 14-16%. The ferrous level of the glass may be greater than or equal to 28%, its performance in a thickness of 5 mm or less may be greater than or equal to 29 at LTA?70%, and greater than or equal to 27 at LTA?75%, and its liquidus temperature may be less than or equal to 980° C.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: June 11, 2013
    Assignee: Pilkington Group Limited
    Inventors: John Buckett, Keith Haughey, Neil McSporran
  • GLASS COMPOSITION
    Publication number: 20100040812
    Abstract: Flat glass composition comprising the following (expressed as percentages by weight): SiO2 60 75%; Al2O3 0 5%; Na2O 10 18%; K2O 0 5.5%; CaO 0 5%; MgO 0-2%; SO3 0 1%; Fe2O3 (total iron)>0.01%; TiO2 0-1% and one or both of: SrO 0-15%; BaO 0-15% with the proviso that the summed amount of SrO and BaO is greater than 4%. A preferred composition comprises: SiO2 65-74%; Al2O3 0-3%; Na2O 13 16%; K2O 0-2%; CaO 1-4.9%; MgO 0-2%; SO3 0-1%; Fe2O3 (total iron)>0.01%; TiO2 0 1%; BaO 4-10%; SrO 0-5%, wherein the summed amount of the alkaline earth metal constituents is in the range 10-13% and the summed amount of the alkali metal constituents is in the range 14-16%. The ferrous level of the glass may be greater than or equal to 28%, its performance in a thickness of 5 mm or less may be greater than or equal to 29 at LTA?70%, and greater than or equal to 27 at LTA?75%, and its liquidus temperature may be less than or equal to 980° C.
    Type: Application
    Filed: March 20, 2008
    Publication date: February 18, 2010
    Applicant: PILKINGTON GROUP LIMITED
    Inventors: John Buckett, Keith Haughey, Neil Mcsporran