Patents by Inventor Malcolm BACHAND

Malcolm BACHAND 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).

  • Patent number: 10774592
    Abstract: A horizontal pipe ramming system includes a hydraulic crowd system. A hydraulic percussive hammer is mounted on a carriage that is urged forward by hydraulic cylinders acting between the carriage and an abutment. The continuity of crowd is enhanced by a compressive resilient assembly that releases its energy to the hammer to keep it in contact with the pipe after impact.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: September 15, 2020
    Assignee: TCG Tunneling Company Inc.
    Inventors: Malcolm Bachand, Shawn Gaunt, Richard Bachand
  • Publication number: 20190249495
    Abstract: A horizontal pipe ramming system includes a hydraulic crowd system. A hydraulic percussive hammer is mounted on a carriage that is urged forward by hydraulic cylinders acting between the carriage and an abutment. The continuity of crowd is enhanced by a compressive resilient assembly that releases its energy to the hammer to keep it in contact with the pipe after impact.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Inventors: Malcolm BACHAND, Shawn GAUNT, Richard BACHAND
  • Patent number: 10316587
    Abstract: A horizontal pipe ramming system includes a hydraulic crowd system. A hydraulic percussive hammer is mounted on a carriage that is urged forward by hydraulic cylinders acting between the carriage and an abutment. The continuity of crowd is enhanced by a compressive resilient assembly that releases its energy to the hammer to keep it in contact with the pipe after impact.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: June 11, 2019
    Assignee: TCG TUNNELING COMPANY INC.
    Inventors: Malcolm Bachand, Shawn Gaunt, Richard Bachand
  • Publication number: 20160333642
    Abstract: A horizontal pipe ramming system includes a hydraulic crowd system. A hydraulic percussive hammer is mounted on a carriage that is urged forward by hydraulic cylinders acting between the carriage and an abutment. The continuity of crowd is enhanced by a compressive resilient assembly that releases its energy to the hammer to keep it in contact with the pipe after impact.
    Type: Application
    Filed: November 6, 2015
    Publication date: November 17, 2016
    Inventors: Malcolm BACHAND, Shawn GAUNT, Richard BACHAND