Patents by Inventor Philippe Choffart

Philippe Choffart 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: 10066777
    Abstract: The invention relates to an assembly comprising: an oil extraction pipe (4) having a thread; and a protector (1) for the thread of the extraction pipe (4), said protector (1) including a body and a thread complementary to that of the extraction pipe (4). The assembly is characterised in that it also comprises an elastomer film (60) affixed to the protector and designed to form a sealed connection between the extraction pipe (4) and the protector (1) when the protector (1) is positioned on the extraction pipe (4).
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: September 4, 2018
    Assignee: PREMIUM PROTECTOR
    Inventors: Alexis Drouin, Thomas Charrue, Philippe Choffart
  • Patent number: 9151433
    Abstract: The invention relates to a protector (1, 7) for an oil extraction pipe. The invention comprises: a hollow, substantially frustoconical connecting segment (2) having a proximal end (21), a distal end (22) and a thread (42) complementary to that of the pipe; and a bumper segment (3) having a connecting end (31) in the extension of the connecting segment (2) and a free end (32), said bumper segment including an internal ring (33) extending in the extension of the connecting segment (2) and an external ring (34) extending coaxially from the connecting segment, defining an internal space between the internal (33) and external (34) rings and increasing the outer diameter of the protector (1, 7). The protector (1, 7) is characterized in that all of the walls thereof having a substantially equal thickness, such that the shape is suitable for production by means of injection, and in that it is produced by means of injection.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: October 6, 2015
    Assignee: PREMIUM PROTECTOR
    Inventors: Alexis Drouin, Thomas Charrue, Philippe Choffart
  • Publication number: 20130299037
    Abstract: The invention relates to a protector (1, 7) for an oil extraction pipe. The invention comprises: a hollow, substantially frustoconical connecting segment (2) having a proximal end (21), a distal end (22) and a thread (42) complementary to that of the pipe; and a bumper segment (3) having a connecting end (31) in the extension of the connecting segment (2) and a free end (32), said bumper segment including an internal ring (33) extending in the extension of the connecting segment (2) and an external ring (34) extending coaxially from the connecting segment, defining an internal space between the internal (33) and external (34) rings and increasing the outer diameter of the protector (1, 7). The protector (1, 7) is characterised in that all of the walls thereof having a substantially equal thickness, such that the shape is suitable for production by means of injection, and in that it is produced by means of injection.
    Type: Application
    Filed: July 8, 2011
    Publication date: November 14, 2013
    Inventors: Alexis Drouin, Thomas Charrue, Philippe Choffart
  • Publication number: 20130213517
    Abstract: The invention relates to an assembly comprising: an oil extraction pipe (4) having a thread; and a protector (1) for the thread of the extraction pipe (4), said protector (1) including a body and a thread complementary to that of the extraction pipe (4). The assembly is characterised in that it also comprises an elastomer film (60) affixed to the protector and designed to form a sealed connection between the extraction pipe (4) and the protector (1) when the protector (1) is positioned on the extraction pipe (4).
    Type: Application
    Filed: September 1, 2011
    Publication date: August 22, 2013
    Inventors: Alexis Drouin, Thomas Charrue, Philippe Choffart