Patents by Inventor Douglas Wallis

Douglas Wallis 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).

  • Excavator wear assembly
    Patent number: 9534357
    Abstract: An excavator wear assembly comprising a mounting nose having a rear bearing face, a forward bearing face, an upper bearing face disposed at an angle between the rear bearing face and the forward bearing face, a front face substantially perpendicular to the forward bearing face and a rib extending over at least part of the upper bearing face, forward bearing face and front face; and a wear member having a rearwardly opening socket adapted to receive the mounting nose, the socket being at least partially defined by a top wall and a front wall, the wear member having a recess formed in the top wall and front wall adapted to receive at least part of the rib.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: January 3, 2017
    Assignee: CQMS PTY LTD
    Inventors: David Haslett, Douglas Wallis, Benjamin Charles Plant, Luke Wilkie
  • Excavator wear assembly
    Patent number: 9476184
    Abstract: A lock assembly to lock two members together, typically an excavator wear member, such as a tooth, on to an adaptor. The lock assembly has a locking pin with a flange portion and a retaining assembly that receives the locking pin. The retaining assembly includes a locking member, in the form of a locking ring, which deforms radially when a tapered portion of the locking pin is inserted into the retaining assembly. In the locked position, the locking ring engages with the flange portion of the locking pin to prevent withdrawal of the locking pin from the retaining assembly.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: October 25, 2016
    Assignee: CQMS PTY LTD
    Inventors: Douglas Wallis, Miguel Guimaraes, Bruce Lilley, Josua Kirsch, Edwin Schuetz
  • AN EXCAVATOR WEAR ASSEMBLY
    Publication number: 20160002893
    Abstract: An excavator wear assembly comprising a mounting nose having a rear bearing face, a forward bearing face, an upper bearing face disposed at an angle between the rear bearing face and the forward bearing face, a front face substantially perpendicular to the forward bearing face and a rib extending over at least part of the upper bearing face, forward bearing face and front face; and a wear member having a rearwardly opening socket adapted to receive the mounting nose, the socket being at least partially defined by a top wall and a front wall, the wear member having a recess formed in the top wall and front wall adapted to receive at least part of the rib.
    Type: Application
    Filed: January 28, 2014
    Publication date: January 7, 2016
    Inventors: David Haslett, Douglas Wallis, Benjamin Charles Plant, Luke Wilkie
  • EXCAVATOR WEAR ASSEMBLY
    Publication number: 20130333254
    Abstract: A lock assembly to lock two members together, typically an excavator wear member, such as a tooth, on to an adaptor. The lock assembly has a locking pin with a flange portion and a retaining assembly that receives the locking pin. The retaining assembly includes a locking member, in the form of a locking ring, which deforms radially when a tapered portion of the locking pin is inserted into the retaining assembly. In the locked position, the locking ring engages with the flange portion of the locking pin to prevent withdrawal of the locking pin from the retaining assembly.
    Type: Application
    Filed: December 10, 2012
    Publication date: December 19, 2013
    Applicant: CQMS PTY LTD
    Inventors: Douglas Wallis, Miguel Guimaraes, Bruce Lilley, Josua Kirsch
  • Excavator lip
    Patent number: D705275
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: May 20, 2014
    Assignee: CQMS Pty Ltd.
    Inventors: David Haslett, Douglas Wallis, Benjamin Charles Plant, Luke Wilkie
  • Excavator wear member
    Patent number: D705823
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: May 27, 2014
    Assignee: CQMS Pty Ltd
    Inventors: David Haslett, Douglas Wallis, Benjamin Charles Plant, Luke Wilkie