Patents by Inventor Craig John Freeman

Craig John Freeman 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).

  • MODIFICATION OF ALKALINE EARTH SILICATE FIBRES
    Publication number: 20150011373
    Abstract: A method of making refractory alkaline earth silicate fibres from a melt, including the use as an intended component of alkali metal to improve the mechanical properties of the fibre in comparison with a fibre free of alkali metal.
    Type: Application
    Filed: March 24, 2014
    Publication date: January 8, 2015
    Applicant: THE MORGAN CRUCIBLE COMPANY PLC
    Inventors: Craig John FREEMAN, Gary Anthony JUBB
  • Modification of alkaline earth silicate fibres
    Patent number: 7875566
    Abstract: A method of making refractory alkaline earth silicate fibers from a melt, including the use as an intended component of alkali metal to improve the mechanical properties of the fiber in comparison with a fiber free of alkali metal.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: January 25, 2011
    Assignee: The Morgan Crucible Company PLC
    Inventors: Craig John Freeman, Gary Anthony Jubb
  • Saline soluble inorganic fibres
    Patent number: 7651965
    Abstract: Thermal insulation is provided for use in applications requiring continuous resistance to temperatures of 1260° C. without reaction with alumino-silicate firebricks, the insulation comprises fibers having a composition in wt % 65%<SiO2<86% MgO<10% 14%<CaO<28% Al2O3<2% ZrO2<3% B2O3<5% P2O5<5% 72%<SiO2+ZrO2+B2O3+5*P2O5 95%<SiO2+CaO+MgO+Al2O3+ZrO2+B2O3+P2O5 Addition of elements selected from the group Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y or mixtures thereof improves fiber quality and the strength of blankets made from the fibers.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: January 26, 2010
    Assignee: The Morgan Crucible Company PLC
    Inventors: Gary Anthony Jubb, Craig John Freeman
  • MODIFICATION OF ALKALINE EARTH SILICATE FIBRES
    Publication number: 20090156386
    Abstract: A method of making refractory alkaline earth silicate fibres from a melt, including the use as an intended component of alkali metal to improve the mechanical properties of the fibre in comparison with a fibre free of alkali metal.
    Type: Application
    Filed: February 20, 2009
    Publication date: June 18, 2009
    Inventors: Craig John Freeman, Gary Anthony Jubb
  • SALINE SOLUBLE INORGANIC FIBRES
    Publication number: 20090127489
    Abstract: Thermal insulation is provided for use in applications requiring continuous resistance to temperatures of 1260° C. without reaction with alumino-silicate firebricks, the insulation comprises fibres having a composition in wt % 65%<SiO2<86% MgO<10% 14%<CaO<28% Al2O3<2% ZrO2<3% B2O3<5% P2O5<5% 72%<SiO2+ZrO2+B2O3+5*P2O5 95%<SiO2+CaO+MgO+Al2O3+ZrO2+B2O3+P2O5 Addition of elements selected from the group Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Th, Dy, Ho, Er, Tm, Yb, Lu, Y or mixtures thereof improves fibre quality and the strength of blankets made from the fibres.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 21, 2009
    Inventors: Gary Anthony JUBB, Craig John Freeman
  • Saline soluble inorganic fibres
    Patent number: 7470641
    Abstract: Thermal insulation is provided for use in applications requiring continuous resistance to temperatures of 1260° C. without reaction with alumino-silicate firebricks, the insulation comprises fibers having a composition in wt % 65%<SiO2<86%, MgO<10%, 14%<CaO<28%, Al2O3<2%, ZrO2<3%, B2O3<5%, P2O5<5%, 72%<SiO2+ZrO2+B2O3+5*P2O5, 95%<SiO2+CaO+MgO+Al2O3+ZrO2+B2O3+P2O5. Addition of elements selected from the group Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y or mixtures thereof improves fiber quality and the strength of blankets made from the fibers.
    Type: Grant
    Filed: January 2, 2003
    Date of Patent: December 30, 2008
    Assignee: The Morgan Crucible Company PLC
    Inventors: Gary Anthony Jubb, Craig John Freeman
  • Saline soluble inorganic fibres
    Patent number: 7153796
    Abstract: Thermal insulation is provided for use in applications requiring continuous resistance to temperatures of 1260° C. without reaction with alumino-silicate firebricks, the insulation comprises fibers having a composition in wt % 65%<SiO2<86% MgO<10% 14%<CaO<28% Al2O3<2% ZrO2<3% B2O3<5% P2O5<5% 72%<SiO2+ZrO2+B2O3+5*P2O5 95%<SiO2+CaO+MgO+Al2O3+ZrO2+B2O3+P2O5 Addition of elements selected from the group Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y or mixtures thereof improves fiber quality and the strength of blankets made from the fibers.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: December 26, 2006
    Assignee: The Morgan Crucible Company plc
    Inventors: Gary Anthony Jubb, Craig John Freeman
  • Saline soluble inorganic fibres
    Publication number: 20040254056
    Abstract: Thermal insulation is provided for use in applications requiring continuous resistance to temperatures of 1260° C. without reaction with alumino-silicate firebricks, the insulation comprises fibres having a composition in wt % 65%<SiO2<86%, MgO<10%, 14%<CaO<28%, Al2O3<2%, ZrO2<3%, B2O3<5%, P2O5<5%, 72%<SiO2+ZrO2+B2O3+5*P2O5, 95%<SiO2+CaO+MgO+Al2O3+ZrO2+B2O3+P2O5. Addition of elements selected from the group Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y or mixtures thereof improves fibre quality and the strength of blankets made from the fibres.
    Type: Application
    Filed: April 22, 2004
    Publication date: December 16, 2004
    Inventors: Gary Anthony Jubb, Craig John Freeman
  • Bonded fibrous materials
    Publication number: 20030164583
    Abstract: A refractory material comprising a strontium aluminate refractory fibre and an inorganic binder comprises when fired greater than 35 wt % strontium oxide and/or Al2O3=aluminium oxide content of strontium aluminate fibre ±65 wt %, SiO2=silicon oxide content of strontium aluminate fibre ±20 wt %
    Type: Application
    Filed: January 29, 2003
    Publication date: September 4, 2003
    Inventors: Paul Nigel Eaton, Craig John Freeman