Patents by Inventor JOHN WILLIAM OLDFIELD

JOHN WILLIAM OLDFIELD 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).

  • Publication number: 20230365459
    Abstract: A coated glazing includes a transparent glass substrate and a coating located on the glass substrate. The coating includes at least the following layers in sequence starting from the glass substrate: a first layer having a refractive index of more than 1.6, an optional second layer having a refractive index that is less than the refractive index of the first layer, a third layer based on tin dioxide doped with fluorine, and a fourth layer based on titanium oxide, wherein the fourth layer is photocatalytic.
    Type: Application
    Filed: October 26, 2021
    Publication date: November 16, 2023
    Applicant: Pilkington Group Limited
    Inventors: David RIMMER, Jack BROWN, John William OLDFIELD, Christian EIBL, Peter Michael HARRIS, Tobias BREIL
  • Publication number: 20230105541
    Abstract: A coated glazing includes a transparent glass substrate and a coating located on the glass substrate. The coating is provided with at least the following layers in sequence starting from the glass substrate: a first layer having a refractive index of more than 1.6, an optional second layer having a refractive index that is less than the refractive index of the first layer, a third layer based on tin dioxide, a fourth layer based on an oxide of silicon, and a fifth layer based on titanium dioxide, wherein the fifth layer is photocatalytic.
    Type: Application
    Filed: March 11, 2021
    Publication date: April 6, 2023
    Applicant: PILKINGTON GROUP LIMITED
    Inventors: JOHN WILLIAM OLDFIELD, SRIKANTH VARANASI
  • Publication number: 20230098954
    Abstract: A coated glazing includes a transparent glass substrate, and a coating located on the glass substrate. The coating is provided with at least the following layers in sequence starting from the glass substrate: a first layer having a refractive index of more than 1.6, an optional second layer having a refractive index that is less than the refractive index of the first layer, a third layer based on tin dioxide doped with antimony, niobium and/or neodymium, and a fourth layer based on titanium dioxide, wherein the fourth layer is photocatalytic.
    Type: Application
    Filed: March 11, 2021
    Publication date: March 30, 2023
    Applicant: PILKINGTON GROUP LIMITED
    Inventors: JOHN WILLIAM OLDFIELD, SRIKANTH VARANASI
  • Publication number: 20220267199
    Abstract: The present invention relates to a toughenable coated float glass substrate, a method of preparing same and the use thereof, said float glass substrate comprising a first surface and a second surface, wherein the first surface comprises one or more layers applied by chemical vapour deposition (CVD) and the second surface comprises one or more layers applied by physical vapour deposition (PVD); and wherein said one or more layers applied by physical vapour deposition (PVD) includes at least one functional metal layer; and wherein the second surface further comprises a protective layer applied in direct contact with the second surface; and wherein the coated float glass substrate exhibits a transmission b* colour value according to the CIE colour space of less than or equal to 3 and an external reflection b* of less than or equal to ?5.
    Type: Application
    Filed: July 31, 2020
    Publication date: August 25, 2022
    Applicant: PILKINGTON GROUP LIMITED
    Inventor: JOHN WILLIAM OLDFIELD
  • Patent number: 10597323
    Abstract: A coated glass pane comprising at least the following layers: a glass substrate and at least one absorbing layer based on at least one metal silicide and/or metal silicide nitride wherein the at least one absorbing layer is embedded between and contacts two layers based on an (oxi)nitride of Si and/or an (oxi)nitride of Al and/or alloys thereof.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: March 24, 2020
    Assignee: Pilkington Group Limited
    Inventors: John Andrew Ridealgh, John Buckett, John William Oldfield, Rebecca Sheridan
  • Publication number: 20190047907
    Abstract: A coated glass pane comprising at least the following layers: a glass substrate and at least one absorbing layer based on at least one metal silicide and/or metal silicide nitride wherein the at least one absorbing layer is embedded between and contacts two layers based on an (oxi)nitride of Si and/or an (oxi)nitride of Al and/or alloys thereof.
    Type: Application
    Filed: October 15, 2018
    Publication date: February 14, 2019
    Inventors: JOHN ANDREW RIDEALGH, JOHN BUCKETT, JOHN WILLIAM OLDFIELD, REBECCA SHERIDAN
  • Patent number: 10131572
    Abstract: A coated glass pane comprising at least the following layers: a glass substrate; and at least one absorbing layer based on at least one metal silicide and/or metal silicide nitride wherein the at least one absorbing layer is embedded between and contacts two layers based on an (oxi) nitride of Si and/or an (oxi) nitride of Al and/or alloys thereof.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: November 20, 2018
    Assignee: Pilkington Group Limited
    Inventors: John Andrew Ridealgh, John Buckett, John William Oldfield, Rebecca Sheridan
  • Publication number: 20160031750
    Abstract: A coated glass pane comprising at least the following layers: a glass substrate; and at least one absorbing layer based on at least one metal silicide and/or metal silicide nitride wherein the at least one absorbing layer is embedded between and contacts two layers based on an (oxi) nitride of Si and/or an (oxi) nitride of Al and/or alloys thereof.
    Type: Application
    Filed: April 2, 2014
    Publication date: February 4, 2016
    Inventors: JOHN ANDREW RIDEALGH, JOHN BUCKETT, JOHN WILLIAM OLDFIELD, REBECCA SHERIDAN