Patents Assigned to S.D.T.O.
  • Motorized road-going vehicle for making trenches in the ground
    Patent number: 6718660
    Abstract: A motorized road-going vehicle for making trenches may include on its chassis a device for digging a trench using a trenching wheel and a device for sucking and collecting the spoil produced while the trench is being dug. The trenching wheel is mounted so that it can pivot about an axis orthogonal to the chassis so as to occupy a working position projecting from the chassis and a transport position brought up onto the chassis.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: April 13, 2004
    Assignee: S.D.T.O.
    Inventor: Daniel Rivard
  • Machine for making grooves in the ground
    Patent number: 5934834
    Abstract: According to the invention:said machine comprises:a base plate (8) through which a segment of a disk (4) can pass, said base plate preventing matter from the grooves from being thrown outward;means firmly pressing said base plate and said disk against the ground; andthe disk (4) is mounted so that it can rotate freely, so as to make in the ground, without removing matter, a recess that corresponds to said groove.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: August 10, 1999
    Assignee: S.D.T.O.
    Inventor: Roger Perrot