Patents Assigned to McIlwraith-Davey Pty. Ltd.
  • Dishwasher
    Patent number: 5193562
    Abstract: The present invention discloses a sink mounted dishwasher having a closure mechanism (41, 140) in the drain (15) of the sink (2). An hydraulic control system (FIG. 6) for such a dishwasher is also disclosed together with an hydraulically operated liquid detergent dispenser (47, FIG. 7). The preferred form of hydraulic fluid is liquid rinse aid. Two forms of spray arm (28, 128) are also disclosed, each with a structure (20) which enables the spray arm to be removably and rotatably mounted within the sink.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: March 16, 1993
    Assignee: McIlwraith-Davey Pty Ltd.
    Inventors: Ralph A. Rigby, Bryan H. Marshall, Peter K. Le Leivre, Stuart A. Morley
  • Dishwasher
    Patent number: 4919162
    Abstract: A sink located dishwasher is disclosed having a cover for the sink, a rack for dishes locatable in the sink, and a removable spray arm assembly mounted in the sink drain. The spary arm assembly includes a spray arm rotatably mounted at the upper end of a hollow shapft to rotate in the sink below the rack. A pair of seals are provided on the shaft to seal the shaft within the drain. Water is pumped from the drain above both seals and returned to the drain between the seals from where it flows up the hollow shaft and rotates the spray arm.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: April 24, 1990
    Assignee: McIlwraith Davey Pty. Ltd.
    Inventors: David Lumby, Stephen Dawkins
  • Panel
    Patent number: D297387
    Type: Grant
    Filed: August 23, 1985
    Date of Patent: August 30, 1988
    Assignee: McIlwraith-Davey Pty. Ltd.
    Inventor: Gregory J. Barr
  • Sink
    Patent number: D298163
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: October 18, 1988
    Assignee: McIlwraith Davey Pty. Ltd.
    Inventor: Christopher K. Downs
  • Sink
    Patent number: D298164
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: October 18, 1988
    Assignee: McIlwraith Davey Pty. Ltd.
    Inventor: Christopher K. Downs
  • Double bowl sink
    Patent number: D324097
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: February 18, 1992
    Assignee: McIlwraith-Davey Pty Ltd.
    Inventors: Michaela Evatt, Reynolds P. Monaghan, Alan E. Kay
  • Sink
    Patent number: D326141
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: May 12, 1992
    Assignee: McIlwraith-Davey Pty Ltd.
    Inventors: Michaela Evatt, Reynolds P. Monaghan, Alan E. Kay