Patents by Inventor Philippe Tievant

Philippe Tievant 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 permitting a plug or a cover to lock in a detachable manner onto a frame
    Patent number: 7455474
    Abstract: This invention is a device permitting a plug or a cover to lock in a detachable manner onto a frame. In accordance with the invention, the metal washer (9), interposed between the screw head (4) and the mounting surface (7) formed at the bottom of the housing (5) of the cover (2), includes two radial wings diametrically opposite (9a) working together with internal parts (13) of the housing (5) butting and preventing a rotation of the washer (9) during tightening of the fastening screw (3). The invention has applications for public roadways.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: November 25, 2008
    Assignee: Norinco
    Inventors: Philippe Tievant, Philippe Dutilleul
  • Ready-to-install road building apparatus and corresponding installation method
    Patent number: 7080954
    Abstract: An apparatus for covering a ditch includes a cover and girders having rabbets with projecting edges and flat-lying edges, the cover being placed on the rabbets. The apparatus has, before it is set up, a configuration for installation including one or several bars passing through lower webs of the girders and fixed to the girders and to the cover to maintain their final configuration, and level adjusting screws in edges of the girders defining a polygon providing stable support.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: July 25, 2006
    Assignee: Norinco
    Inventors: Jean-Jacques Monneret, Philippe Tievant
  • Device permitting a plug or a cover to lock in a detachable manner onto a frame
    Publication number: 20060134999
    Abstract: This invention is a device permitting a plug or a cover to lock in a detachable manner onto a frame. In accordance with the invention, the metal washer (9), interposed between the screw head (4) and the mounting surface (7) formed at the bottom of the housing (5) of the cover (2), includes two radial wings diametrically opposite (9a) working together with internal parts (13) of the housing (5) butting and preventing a rotation of the washer (9) during tightening of the fastening screw (3). The invention has applications for public roadways.
    Type: Application
    Filed: November 22, 2005
    Publication date: June 22, 2006
    Inventors: Philippe Tievant, Philippe Dutilleul
  • Ready-to-install road equipment and corresponding installation method
    Publication number: 20040156678
    Abstract: A road-building apparatus for covering a ditch includes a cover and girders having rabbets with projecting edges and flat-lying edges, the cover being placed on the rabbets. The apparatus has, before it is set up, a configuration for installation including one or several bars passing through lower webs of the girders and fixed to the girders and to the cover to maintain in their final configuration, and level adjusting screws in edges of the girders defining a polygon providing stable support.
    Type: Application
    Filed: March 23, 2004
    Publication date: August 12, 2004
    Inventors: Jean-Jacques Monneret, Philippe Tievant