Patents by Inventor John Koenders

John Koenders 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: 10415828
    Abstract: This invention relates to a refractory lining of a tube wall (2) for an incinerator including at least four refractory tiles (3) of ceramic material which are arranged next to and above one another, wherein the tiles at their rear side, which is facing the tube wall (2), are provided with a vertical insertion channel (10) for mounting the tiles upon the holders (7) of the tube wall, wherein a free space (11) is formed between the tiles (3) and the tube wall (2), which space is filled with a curable pouring compound, and wherein a spacer (20) is provided adjacent to four mutually adjoining edges (12) of the at least four refractory tiles (3). Alternative embodiments are characterized by the use of a head bolt, and/or wedge element (50) and/or a flip-element (60).
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: September 17, 2019
    Assignee: HKH Development B.V.
    Inventors: Joseph Adrianus Maria Van Der Hoeff, John Koenders
  • Publication number: 20170191658
    Abstract: This invention relates to a refractory lining of a tube wall (2) for an incinerator including at least four refractory tiles (3) of ceramic material which are arranged next to and above one another, wherein the tiles at their rear side, which is facing the tube wall (2), are provided with a vertical insertion channel (10) for mounting the tiles upon the holders (7) of the tube wall, wherein a free space (11) is formed between the tiles (3) and the tube wall (2), which space is filled with a curable pouring compound, and wherein a spacer (20) is provided adjacent to four mutually adjoining edges (12) of the at least four refractory tiles (3). Alternative embodiments are characterized by the use of a head bolt, and/or wedge element (50) and/or a flip-element (60).
    Type: Application
    Filed: June 4, 2015
    Publication date: July 6, 2017
    Inventors: Joseph Adrianus Maria Van Der Hoeff, John Koenders
  • Patent number: D761095
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: July 12, 2016
    Assignee: VAN DER HOEFF REFRACTORIES B.V.
    Inventors: Jos van der Hoeff, John Koenders