Patents by Inventor Andrew W. Struthers

Andrew W. Struthers 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).

  • Overhead power grid for mobile mining machines
    Patent number: 10052958
    Abstract: A vehicle is provided that connects to an power structure for powering and guiding the vehicle. The power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle moving on a surface. The vehicle includes a chassis and a cable connected to the chassis and configured to mechanically and electrically connect the vehicle to the power structure. The chassis includes a connector rotatable 360 degrees, and the cable connects to the chassis through the connector.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: August 21, 2018
    Assignee: Joy Global Underground Mining LLC
    Inventors: Joseph J. Zimmerman, Garrett L. Lowman, Andrew W. Struthers
  • OVERHEAD POWER GRID FOR MOBILE MINING MACHINES
    Publication number: 20170282721
    Abstract: A vehicle is provided that connects to an power structure for powering and guiding the vehicle. The power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle moving on a surface. The vehicle includes a chassis and a cable connected to the chassis and configured to mechanically and electrically connect the vehicle to the power structure. The chassis includes a connector rotatable 360 degrees, and the cable connects to the chassis through the connector.
    Type: Application
    Filed: April 14, 2017
    Publication date: October 5, 2017
    Inventors: Joseph J. Zimmerman, Garrett L. Lowman, Andrew W. Struthers
  • Mobile sizer with integrated load bucket
    Patent number: 9662660
    Abstract: A mobile sizer for an underground mining system includes drive treads, a sizer portion mounted on the drive treads, and a load bucket pivotably coupled to the sizer portion. The load bucket is sumped to remove material from the mine and pivotably swung to transfer removed material to the sizer portion.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: May 30, 2017
    Assignee: Joy MM Delaware, Inc.
    Inventors: Joseph J. Zimmerman, Andrew W. Struthers
  • Overhead power grid for mobile mining machines
    Patent number: 9623755
    Abstract: A vehicle is provided that connects to an power structure for powering and guiding the vehicle. The power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle moving on a surface. The vehicle includes a chassis and a cable connected to the chassis and configured to mechanically and electrically connect the vehicle to the power structure. The chassis includes a connector rotatable 360 degrees, and the cable connects to the chassis through the connector.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: April 18, 2017
    Assignee: Joy MM Delaware, Inc.
    Inventors: Joseph J. Zimmerman, Garrett L. Lowman, Andrew W. Struthers
  • OVERHEAD POWER GRID FOR MOBILE MINING MACHINES
    Publication number: 20160264000
    Abstract: A vehicle is provided that connects to an power structure for powering and guiding the vehicle. The power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle moving on a surface. The vehicle includes a chassis and a cable connected to the chassis and configured to mechanically and electrically connect the vehicle to the power structure. The chassis includes a connector rotatable 360 degrees, and the cable connects to the chassis through the connector.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 15, 2016
    Inventors: Joseph J. Zimmerman, Garrett L. Lowman, Andrew W. Struthers
  • Overhead power grid for mobile mining machines
    Patent number: 9283866
    Abstract: A vehicle is provided that connects to an power structure for powering and guiding the vehicle. The power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle moving on a surface. The vehicle includes a chassis and a cable connected to the chassis and configured to mechanically and electrically connect the vehicle to the power structure. The chassis includes a connector rotatable 360 degrees, and the cable connects to the chassis through the connector.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: March 15, 2016
    Assignee: Joy MM Deleware, Inc.
    Inventors: Joseph J. Zimmerman, Garrett L. Lowman, Andrew W. Struthers
  • OVERHEAD POWER GRID FOR MOBILE MINING MACHINES
    Publication number: 20150283921
    Abstract: A vehicle is provided that connects to an power structure for powering and guiding the vehicle. The power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle moving on a surface. The vehicle includes a chassis and a cable connected to the chassis and configured to mechanically and electrically connect the vehicle to the power structure. The chassis includes a connector rotatable 360 degrees, and the cable connects to the chassis through the connector.
    Type: Application
    Filed: June 12, 2015
    Publication date: October 8, 2015
    Inventors: Joseph J. Zimmerman, Garrett L. Lowman, Andrew W. Struthers
  • Overhead power grid for mobile mining machines
    Patent number: 9056558
    Abstract: A vehicle is provided that connects to an overhead power structure for powering and guiding the vehicle. The overhead power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle moving on a surface. The vehicle includes a chassis and a cable connected to the chassis and configured to mechanically and electrically connect the vehicle to the overhead power structure. The chassis includes a connector rotatable 360 degrees, and the cable connects to the chassis through the connector.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: June 16, 2015
    Assignee: Joy MM Delaware, Inc.
    Inventors: Joseph J. Zimmerman, Garrett L. Lowman, Andrew W. Struthers
  • MOBILE SIZER WITH INTEGRATED LOAD BUCKET
    Publication number: 20140284409
    Abstract: A mobile sizer for an underground mining system includes drive treads, a sizer portion mounted on the drive treads, and a load bucket pivotably coupled to the sizer portion. The load bucket is sumped to remove material from the mine and pivotably swung to transfer removed material to the sizer portion.
    Type: Application
    Filed: March 25, 2014
    Publication date: September 25, 2014
    Inventors: Joseph J. Zimmerman, Andrew W. Struthers