Patents by Inventor Jean-Michel Longeau

Jean-Michel Longeau 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 scraping the outer surface of a tube
    Patent number: 4744123
    Abstract: A device for shaving material from the outer surface of a pipe including a chuck for securing the device to the end of the pipe, a drive shaft having its axis coincident with the pipe axis and a fixed plate immovably secured to the drive shaft perpendicular thereto. A cutting unit for scraping the outer surface of the pipe is secured to an arm which extends parallel to the drive shaft, and the arm is secured to a disc which is movably secured to the fixed plate, thus permitting radial adjustment of the cutting unit.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: May 17, 1988
    Assignees: Gaz de France, Sensco S.A.R.L.
    Inventors: Patrick Le Testu, Dominique Pfeiffer, Michel Cochetel, Jean-Michel Longeau