Patents by Inventor Philippe Essel

Philippe Essel 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).

  • Device for uncoupling a drill string, drilling system comprising such a uncoupling device, and use of such a system
    Patent number: 9206653
    Abstract: A device for uncoupling a drill string, the device including, in a longitudinal direction: a first structure that is intended to be attached to a drill string tube; a second structure that is intended to hold a cutting tool for drilling and is translatable relative to the first structure; and a thruster assembly between the first structure and the second structure. The thruster assembly is configured to exert a thrusting force on the second structure to separate the second structure from the first structure, the thrusting force being constant for every position of the second structure relative to the first structure.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: December 8, 2015
    Inventors: Philippe Essel, Jean-Marc Loriot, Christian Salesse, Sebastian Desmette
  • DEVICE FOR UNCOUPLING A DRILL STRING, DRILLING SYSTEM COMPRISING SUCH A UNCOUPLING DEVICE, AND USE OF SUCH A SYSTEM
    Publication number: 20130037326
    Abstract: A device for uncoupling a drill string, the device including, in a longitudinal direction: a first structure that is intended to be attached to a drill string tube; a second structure that is intended to hold a cutting tool for drilling and is translatable relative to the first structure; and a thruster assembly between the first structure and the second structure. The thruster assembly is configured to exert a thrusting force on the second structure to separate the second structure from the first structure, the thrusting force being constant for every position of the second structure relative to the first structure.
    Type: Application
    Filed: January 14, 2011
    Publication date: February 14, 2013
    Inventors: Philippe Essel, Jean-Marc Loriot, Christian Salesse, Sabastian Desmette