Patents by Inventor Gabriel John Ellicott

Gabriel John Ellicott 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).

  • Track assembly for drilling drive system
    Patent number: 10053930
    Abstract: A drilling drive system is provided. The drilling drive system has a mast having a longitudinal axis and a surface extending along the longitudinal axis. A bar is fixed to the surface of the mast and extends along the longitudinal axis. A plurality of rungs is disposed along the length of the bar, and a floating chain is disposed around the mast. A drive sprocket has a plurality of teeth that engage the plurality of rungs and the floating chain.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: August 21, 2018
    Assignee: Caterpillar Inc.
    Inventors: Richard Griffith Marsh, Gabriel John Ellicott, Michael H. Noble
  • TRACK ASSEMBLY FOR DRILLING DRIVE SYSTEM
    Publication number: 20170051566
    Abstract: A drilling drive system is provided. The drilling drive system has a mast having a longitudinal axis and a surface extending along the longitudinal axis. A bar is fixed to the surface of the mast and extends along the longitudinal axis. A plurality of rungs is disposed along the length of the bar, and a floating chain is disposed around the mast. A drive sprocket has a plurality of teeth that engage the plurality of rungs and the floating chain.
    Type: Application
    Filed: August 21, 2015
    Publication date: February 23, 2017
    Applicant: CATERPILLAR INC.
    Inventors: Richard Griffith MARSH, Gabriel John ELLICOTT, Michael H. NOBLE
  • Center spacer between workpiece and dead center of machine tool
    Patent number: 9162290
    Abstract: A machine tool for supporting and rotating a workpiece includes a first machine center supporting a first workpiece end of the workpiece. A dead center defines a second machine center of the machine tool. A center spacer has a first spacer end rotatably supported on the second machine center and a second spacer end supporting a second workpiece end of the workpiece. A drive mechanism is configured to rotate the workpiece and, during rotation of the workpiece, the center spacer is configured to rotate with the workpiece about the second machine center. The second workpiece end includes a first material and the center spacer includes a second material that is different than the first material.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: October 20, 2015
    Assignee: Caterpillar Inc.
    Inventor: Gabriel John Ellicott
  • Center Spacer Between Workpiece And Dead Center Of Machine Tool
    Publication number: 20140301862
    Abstract: A machine tool for supporting and rotating a workpiece includes a first machine center supporting a first workpiece end of the workpiece. A dead center defines a second machine center of the machine tool. A center spacer has a first spacer end rotatably supported on the second machine center and a second spacer end supporting a second workpiece end of the workpiece. A drive mechanism is configured to rotate the workpiece and, during rotation of the workpiece, the center spacer is configured to rotate with the workpiece about the second machine center. The second workpiece end includes a first material and the center spacer includes a second material that is different than the first material.
    Type: Application
    Filed: April 4, 2013
    Publication date: October 9, 2014
    Applicant: Caterpillar, Inc.
    Inventor: Gabriel John Ellicott