Patents by Inventor Steven Alfred Duselis

Steven Alfred Duselis 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: 8993462
    Abstract: A building element (1) that is suitable for use as a structural element in wet areas or external docking. The building element (1) comprises a rigid substrate (2) having an upper face (3). Over the first face (3) lies a radiation curable resin (4) into which a layer of reinforcing material (5) is at least partially embedded. The reinforcing material (5) and resin (3) can be applied separately or together onto the first face (3) of the rigid substrate (2) or in some cases can be applied to both faces. An apparatus and method for producing the building sheet are also disclosed.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: March 31, 2015
    Assignee: James Hardie Technology Limited
    Inventors: Steven Alfred Duselis, James Gleeson, Tihomir Kascelan, David Lyons, Milton Terrence O'Chee
  • Publication number: 20090272058
    Abstract: A building element (1) that is suitable for use as a structural element in wet areas or external docking. The building element (1) comprises a rigid substrate (2) having an upper face (3). Over the first face (3) lies a radiation curable resin (4) into which a layer of reinforcing material (5) is at least partially embedded. The reinforcing material (5) and resin (3) can be applied separately or together onto the first face (3) of the rigid substrate (2) or in some cases can be applied to both faces. An apparatus and method for producing the building sheet are also disclosed.
    Type: Application
    Filed: April 12, 2007
    Publication date: November 5, 2009
    Inventors: Steven Alfred Duselis, James Gleeson, Tihomir Kascelan, David Lyons, Milton Terrence O'Chee
  • Publication number: 20090151283
    Abstract: A fibre reinforced cement flooring sheet (1) that is suitable for use in wet area flooring, is lower in density than conventional compressed fibre cement wet area flooring, and is nailable. The flooring sheet (1) includes connecting means (2) on longitudinal edges permitting the sheet to be interlockingly engaged with adjacent sheets to form a substantially coplanar support surface, suitable for use in wet areas.
    Type: Application
    Filed: February 15, 2006
    Publication date: June 18, 2009
    Applicant: James Hardie International Finance B.V.
    Inventors: James Gleeson, Steven Alfred Duselis, Michael Porfida
  • Patent number: 6030447
    Abstract: This invention relates to a formulation for preparing a dry formulation for preparing an autoclave cured cementitious product comprising:a cementitious material;a siliceous material; anda dehydroxylated clay mineral.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: February 29, 2000
    Assignee: James Hardie Research Pty. Limited
    Inventors: Basil Taha Naji, Steven Alfred Duselis, James Albert Gleeson, Danielle Simone Klimesch, Brian Patrick Sloane, David Malcolm Stitt