Patents by Inventor Joseph D. Dury, Jr.

Joseph D. Dury, Jr. 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).

  • Remote controlled high wall coal mining system
    Patent number: 4323280
    Abstract: A high wall mining system including a continuous mining machine, a remote control station outwardly of the high wall from which extend electric cables wound on cable reels which extend to the continuous mining machine enabling the operator to control the machine based upon television pictures transmitted to the control station from television cameras on the machine and the signals from laser and sonar guidance systems provided at the control station in cooperation with elements on the continuous mining machine and an extensible and retractable vacuum air conveyor system for the coal recovered by the mining machine.
    Type: Grant
    Filed: March 27, 1979
    Date of Patent: April 6, 1982
    Assignee: Coalex, Inc.
    Inventors: John B. Lansberry, Jerome Apt, Jr., Joseph D. Dury, Jr.