Patents by Inventor Rene Deschutter

Rene Deschutter 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: 5341888
    Abstract: The drilling tool (1) intended to widen a drilling well bears a series of helical arms (3) resting at a first end on a first fixed flange (4) so as to be able to turn on themselves by a portion of a turn under the control of a rotating ring (9) driven by an opening mechanism (10) controlled by a variation in the pressure of the drilling fluid, while the other end of the arm (3) slides along a groove (21) provided in a second flange (5).
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: August 30, 1994
    Assignee: Diamant Boart Stratabit S.A.
    Inventor: Rene Deschutter