Patents Assigned to DLP Limited
  • Publication number: 20080219856
    Abstract: Pumped drainage apparatus (10) for a shower, comprises a waste water unit (12) having a waste water inlet (14) for accepting waste water runoff from a shower, and a waste water outlet (16) in fluid communication with the waste water inlet (14); a pump (20) in fluid communication with the waste water unit (12); a sensing circuit including one or more sensors (36) for sensing waste water; and a control circuit for controlling and varying a flow rate of the pump (20) based on an output of the sensing circuit. Preferably, the or each sensor is isolated to prevent in use contact with waste water. A variable flow control device (34) is also provided.
    Type: Application
    Filed: March 13, 2006
    Publication date: September 11, 2008
    Applicant: DLP LIMITED
    Inventor: Robert William Stimpson
  • Patent number: 6890427
    Abstract: A waste water outlet unit, for a shower tray having a drain opening, comprises a base element which is locatable on the underside of the shower tray to cover the drain opening, and a clamp element which is locatable on the topside of the shower tray and which is engageable with the base element to clamp the base element to the underside of the shower tray. The clamp element has an aperture through which waste water from the shower tray can pass into the base element, and a filter element which is positionable over the aperture and which can be removed to enable access to the interior of the unit while maintaining the engagement between the base and clamp elements.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: May 10, 2005
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock
  • Publication number: 20050081290
    Abstract: A shower tray has a trough along one or more sides of the tray and means for clamping flexible floor covering material and/or a flexible edge of a ramp device in the trough(s). The clamping means may comprise one or more elongate clamping elements and means for fixing the clamping element(s) in the trough(s).
    Type: Application
    Filed: October 6, 2004
    Publication date: April 21, 2005
    Applicant: DLP LIMITED
    Inventor: Robert Stimpson
  • Patent number: 6725470
    Abstract: A shower tray comprises a base unit having a raised central portion and a waste water outlet towards which run-off is directed, and a rim which is removably mounted on the base unit and which at least in part surrounds the central portion.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: April 27, 2004
    Assignee: DLP Limited
    Inventor: Anthony Keith Webb
  • Patent number: D501611
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: February 8, 2005
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock, Robert William Stimpson
  • Patent number: D510487
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: October 11, 2005
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock, Robert William Stimpson
  • Patent number: D536889
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: February 20, 2007
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock
  • Patent number: D539394
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: March 27, 2007
    Assignee: DLP Limited
    Inventor: Mark Ian Luxton
  • Patent number: D572347
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: July 1, 2008
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock
  • Patent number: D491672
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: June 15, 2004
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock
  • Patent number: D494767
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: August 24, 2004
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock, Robert William Stimpson
  • Patent number: D495506
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: September 7, 2004
    Assignee: DLP Limited
    Inventors: James Edward Self, Graham Robin Lock, Robert William Stimpson