Patents by Inventor Bernard M Imbault

Bernard M Imbault 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: 10253580
    Abstract: A device for controlling a brake of a drum of a draw-works equipping a drilling rig operating a drill tool in a borehole, which device comprises a brake lever having a first end connected mechanically to brake bands designed to act on the drum and a second end provided with a first brake control handle. The device further comprises actuation means configured to be controlled and arranged to act mechanically on the brake lever, and a second brake control handle arranged to servo-control said actuation means.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: April 9, 2019
    Assignee: AUTELEC
    Inventor: Bernard M Imbault
  • Publication number: 20160305198
    Abstract: A device for controlling a brake of a drum of a draw-works equipping a drilling rig operating a drill tool in a borehole, which device comprises a brake lever having a first end connected mechanically to brake bands designed to act on the drum and a second end provided with a first brake control handle. The device further comprises actuation means configured to be controlled and arranged to act mechanically on the brake lever, and a second brake control handle arranged to servo-control said actuation means.
    Type: Application
    Filed: September 16, 2014
    Publication date: October 20, 2016
    Inventor: Bernard M Imbault