Patents Assigned to Dynadrill, Inc.
  • Portable drilling apparatus
    Patent number: 6959770
    Abstract: A drilling apparatus for drilling underground, small diameter bore holes wherein a support frame of the apparatus is formed in part by a pair of hydraulic cylinders arranged parallel one to another. A head mounting plate that carries the drill motor is releaseably attached to a barrel portion of each hydraulic cylinder and the barrel portion is urged by fluid pressure along a support rod extending axially through the barrel. The ends of the support rods are attached by front and rear supports to form a frame that is anchored in position relative to the movable barrel.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: November 1, 2005
    Assignee: Dynadrill, Inc.
    Inventor: Patrick J. Clelland
  • Portable drilling apparatus
    Publication number: 20050072587
    Abstract: A drilling apparatus for drilling underground, small diameter bore holes wherein a support frame of the apparatus is formed in part by a pair of hydraulic cylinders arranged parallel one to another. A head mounting plate that carries the drill motor is releaseably attached to a barrel portion of each hydraulic cylinder and the barrel portion is urged by fluid pressure along a support rod extending axially through the barrel. The ends of the support rods are attached by front and rear supports to form a frame that is anchored in position relative to the movable barrel.
    Type: Application
    Filed: October 1, 2003
    Publication date: April 7, 2005
    Applicant: DynaDrill, Inc.
    Inventor: Patrick Clelland