Patents by Inventor Michael Purwins

Michael Purwins 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: 9630876
    Abstract: The invention relates to low-emissivity and anti-solar glazing systems that change only very little in properties when they are subjected to a heat treatment. They comprise a stack of thin layers comprising an alternating arrangement of n infrared radiation reflecting functional layers and n+1 dielectric coatings, characterized in that: (i) the first dielectric coating comprises a layer made from an oxide in contact with the substrate, (ii) the portion of the coating stack between two functional layers comprises, in order: a barrier layer, a zinc oxide-based layer, a layer of zinc-tin mixed oxide, a nucleation layer, and (iii) the last dielectric coating comprises a layer made from an oxide other than silicon oxide with a thickness greater than 3 nm overlaid with a layer made from a silicon nitride or a silicon oxide with a thickness greater than 10 nm superposed thereon.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: April 25, 2017
    Assignee: AGC GLASS EUROPE
    Inventors: Stijn Mahieu, Anne-Christine Baudouin, Marc Hauptmann, Jean-Michel Depauw, Michael Purwins, Eric Mathieu, Hansjoerg Weis
  • Publication number: 20160122236
    Abstract: The invention relates to low-emissivity and anti-solar glazing systems that change only very little in properties when they are subjected to a heat treatment. They comprise a stack of thin layers comprising an alternating arrangement of n infrared radiation reflecting functional layers and n+ 1 dielectric coatings, characterised in that: (i) the first dielectric coating comprises a layer made from an oxide in contact with the substrate, (ii) the portion of the coating stack between two functional layers comprises, in order: a barrier layer, a zinc oxide-based layer, a layer of zinc-tin mixed oxide, a nucleation layer, and (iii) the last dielectric coating comprises a layer made from an oxide other than silicon oxide with a thickness greater than 3 nm overlaid with a layer made from a silicon nitride or a silicon oxide with a thickness greater than 10 nm superposed thereon.
    Type: Application
    Filed: May 28, 2014
    Publication date: May 5, 2016
    Applicant: AGC GLASS EUROPE
    Inventors: Stijn MAHIEU, Anne-Christine BAUDOUIN, Marc HAUPTMANN, Jean-Michel DEPAUW, Michael PURWINS, Eric MATHIEU, Hansjoerg WEIS
  • Patent number: 9112072
    Abstract: The invention relates to a method for manufacturing a coated object (2) through deposition of at least one transparent, conductive metal-oxide layer (3) on a substrate (5), comprising the deposition (I) and preferably subsequent temperature treatment (II) of the coating (3). After the optional temperature treatment (II), the surface texture (8) of the coating (3) is statistically adjusted through an etching process.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: August 18, 2015
    Assignee: Interpane Entwicklungs-und, Beratungsgesellschaft mbH
    Inventors: Oliver Kappertz, Lothar Herlitze, Hansjoerg Weis, Michael Purwins
  • Publication number: 20120067618
    Abstract: The invention relates to a method for manufacturing a coated object (2) through deposition of at least one transparent, conductive metal-oxide layer (3) on a substrate (5), comprising the deposition (I) and preferably subsequent temperature treatment (II) of the coating (3). After the optional temperature treatment (II), the surface texture (8) of the coating (3) is statistically adjusted through an etching process.
    Type: Application
    Filed: January 27, 2011
    Publication date: March 22, 2012
    Inventors: Oliver Kappertz, Lothar Herlitze, Hansjoerg Weis, Michael Purwins