Patents by Inventor Michael Porfida

Michael Porfida 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: 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
  • Publication number: 20070026172
    Abstract: A fibre reinforced cement (FRC) tubular body having a wall thickness to outer diameter ratio of less than around 0.050, preferably 0.035. A lathe assembly and method for forming an elongate tubular body, such as said FRC tubular body, is also claimed, said lathe assembly including: an elongate base (1); a pair of chucks (4) located at opposite longitudinal ends of said base (1), said chucks (4) being configured to engage opposite longitudinal ends of the tubular body; two or more lateral supports (11, 12, 17) connected to said base to support the tubular body at two or more support locations between its ends; drive means (8) for rotating the body about a longitudinal axis; and a profiling tool (9) connected to the base and engageable to machine or profile an outer circumferential surface of the tubular body.
    Type: Application
    Filed: October 8, 2004
    Publication date: February 1, 2007
    Inventors: James Gleeson, Kevin Gibson, Michael Porfida, Michael Hogan