Patents by Inventor Ronald Keith McGregor

Ronald Keith McGregor 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: 8371450
    Abstract: A screening module for a screening assembly includes a panel member defining a plurality of screening apertures; and a support arrangement with which the panel member is fast. The support arrangement includes a plurality of strengthening arrays arranged, in use, beneath the panel member, each strengthening array comprising a skirt portion bounding an area on a bottom surface of the panel member.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: February 12, 2013
    Assignee: Ludowici Australia Pty Ltd
    Inventors: Ronald Keith McGregor, Ronald Leslie Johnson
  • Patent number: 8028840
    Abstract: A screening module (10) for a screening assembly includes a panel member (12) defining a plurality of screening apertures; and a support arrangement (16) with which the panel member (12) is fast. The support arrangement (16) includes a plurality of strengthening arrays (22) arranged, in use, beneath the panel member (12), each strengthening array (22) comprising a skirt portion (24) bounding an area on a bottom surface of the panel member (12).
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: October 4, 2011
    Assignee: Ludowici Australia Pty Ltd
    Inventors: Ronald Keith McGregor, Ronald Leslie Johnson
  • Publication number: 20110049019
    Abstract: A screening module for a screening assembly includes a panel member defining a plurality of screening apertures; and a support arrangement with which the panel member is fast. The support arrangement includes a plurality of strengthening arrays arranged, in use, beneath the panel member, each strengthening array comprising a skirt portion bounding an area on a bottom surface of the panel member.
    Type: Application
    Filed: November 5, 2010
    Publication date: March 3, 2011
    Applicant: LUDOWICI AUSTRALIA PTY LTD
    Inventors: Ronald Keith McGregor, Ronald Leslie Johnson
  • Patent number: 7841476
    Abstract: A screening module retaining member 10 includes a body member 12 defining a passage 16. A retaining element 14 is displaceably arranged in the passage 16. The retaining element 14 is displaceable between a first, non-retaining position in which the retaining member is accessible from a first end of the body member 12 and a second, retaining position in which the retaining element 14 is received within the passage 16 and acts on at least a part 20 of the body member 12 for retaining the body member 12 in position relative to a component of a screen deck. A locating arrangement 22 is associated with the first end of the body member 12 for locating a screening module relative to the screen deck and for inhibiting lateral movement of the screening module relative to the body member 12.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: November 30, 2010
    Assignee: Ludowici Australia Pty Ltd
    Inventors: Ronald Leslie Johnson, Ronald Keith McGregor
  • Patent number: 7654395
    Abstract: A screening module for a screening assembly includes a panel member having a periphery defined by a pair of opposed, parallel sides and a pair of opposed parallel ends. A mounting formation is arranged about at least a part of the periphery of the panel member for mounting the panel member on an underlying frame. A plurality of discrete aperture arrays are defined in a surface of the body member. A skirt portion circumscribes each aperture array, each skirt portion depending from a lower surface of the panel member. A reinforcing arrangement is arranged beneath each aperture array, the reinforcing arrangement being bounded by its associated skirt portion.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: February 2, 2010
    Assignee: Weatherford Australia Pty Limited
    Inventors: Ronald Leslie Johnson, Ronald Keith McGregor
  • Patent number: 7467715
    Abstract: A screening assembly support frame includes a body member defining a longitudinal axis. The body member has a pair of parallel, spaced elongate support members with a spacer arrangement extending between the support members. An engaging formation, for engaging a screen panel of the screening assembly to be supported by the body member, is carried on each support member with the body member and the engaging formations being symmetrical about the longitudinal axis.
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: December 23, 2008
    Assignee: Weatherford Australia Pty Limited
    Inventors: Ronald Leslie Johnson, Ronald Keith McGregor
  • Publication number: 20080264833
    Abstract: A screening module (10) for a screening assembly includes a panel member (12) defining a plurality of screening apertures; and a support arrangement (16) with which the panel member (12) is fast. The support arrangement (16) includes a plurality of strengthening arrays (22) arranged, in use, beneath the panel member (12), each strengthening array (22) comprising a skirt portion (24) bounding an area on a bottom surface of the panel member (12).
    Type: Application
    Filed: April 19, 2006
    Publication date: October 30, 2008
    Applicant: WEATHERFORD AUSTRALIA PTY LIMITED
    Inventors: Ronald Keith McGregor, Ronald Leslie Johnson