Patents by Inventor Derek Mulder

Derek Mulder 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).

  • Heavy duty excavator bucket
    Patent number: 10513836
    Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: December 24, 2019
    Assignee: CQMS PTY LTD
    Inventors: Bruce Alexander Leslie, Bevan Hall, Simon Peter Orton, Derek Mulder, David Andrews
  • Heavy duty excavator bucket
    Patent number: 10422103
    Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: September 24, 2019
    Assignee: CQMS Pty Ltd
    Inventors: Bruce Alexander Leslie, Bevan Hall, Simon Peter Orton, Derek Mulder, David Andrews
  • HEAVY DUTY EXCAVATOR BUCKET
    Publication number: 20170009422
    Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.
    Type: Application
    Filed: April 10, 2013
    Publication date: January 12, 2017
    Applicant: CQMS PTY LTD
    Inventors: Bruce Alexander Leslie, Bevan Hall, Simon Peter Orton, Derek Mulder, David Andrews
  • HEAVY DUTY EXCAVATOR BUCKET
    Publication number: 20150292177
    Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.
    Type: Application
    Filed: June 25, 2015
    Publication date: October 15, 2015
    Inventors: Bruce Alexander Leslie, Bevan Hall, Simon Peter Orton, Derek Mulder, David Andrews
  • HEAVY DUTY EXCAVATOR BUCKET
    Publication number: 20140305011
    Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.
    Type: Application
    Filed: April 10, 2013
    Publication date: October 16, 2014
    Applicant: CQMS PTY LTD
    Inventors: Bruce Alexander Leslie, Bevan Hall, Simon Peter Orton, Derek Mulder, David Andrews
  • HEAVY DUTY EXCAVATOR BUCKET
    Publication number: 20110167682
    Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.
    Type: Application
    Filed: March 3, 2011
    Publication date: July 14, 2011
    Applicant: CQMS PTY LTD
    Inventors: Bruce Alexander Leslie, Bevan Hall, Simon Peter Orton, Derek Mulder, David Andrews
  • HEAVY DUTY EXCAVATOR BUCKET
    Publication number: 20100005689
    Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.
    Type: Application
    Filed: July 10, 2008
    Publication date: January 14, 2010
    Applicant: CQMS PTY LTD
    Inventors: Bruce Alexander Leslie, Bevan Hall, Simon Peter Orton, Derek Mulder, David Andrews