| Patent Number |
Title Of Patent |
Date Issued |
| 7413031 |
Apparatus and method for maintaining control of a drilling machine |
August 19, 2008 |
| An apparatus is provided for maintaining control of a machine which produces thrust, rotation or other outputs in response to input signals. The apparatus has two distinct parts, namely the operator input portion and the output portion. The operator input portion consists of the prim |
| 7392858 |
Remote control for a drilling machine |
July 1, 2008 |
| A method and apparatus for remotely controlling a machine. A remote operator controls a tracking device including a signal system for selectively emitting a remote enable signal. The remote enable signal is relayed to a control system for the machine. The control system is proximate |
| 7216724 |
Coupling for dual member pipe |
May 15, 2007 |
| A coupling assembly to interconnect an inner member and an outer member of a dual member drill string in torque transmitting engagement is disclosed. The coupling assembly is adapted to transmit torque input from both members to a downhole tool. In one embodiment, the coupling assembly |
| 7195079 |
Directional reaming system |
March 27, 2007 |
| A horizontal directional drilling system is used to drive operation of a guidable reamer assembly connected to a drill string. The guidable reamer assembly preferably has a cutting member with a central longitudinal axis and a support member also having a central longitudinal axis. The |
| 6896077 |
Rotary driven pipe-bursting tool |
May 24, 2005 |
| An apparatus for bursting pipe is preferably adapted to receive rotational energy from the inner member of a dual-member drill string. In a preferred embodiment, an oscillating pipe-bursting member, driven by the interconnected inner members, cuts or bursts a subterranean pipe. In an |
| 6871712 |
Remote control for a drilling machine |
March 29, 2005 |
| A method and apparatus for remotely controlling a machine. A remote operator controls a tracking device including a signal system for selectively emitting a remote enable signal. The remote enable signal is relayed to a control system for the machine. The control system is proximate |
| 6550547 |
System and method for automatically controlling a pipe handling system for a horizontal boring m |
April 22, 2003 |
| An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system. The pipe handling assembly |
| 6543551 |
Pipe handling device |
April 8, 2003 |
| An automatic pipe handling device (10) is disclosed which includes a support frame (12) mounted on a boring device (14). Removable pipe racks (16, 80, 130, 140) can be placed in position on the support frame (12) to deliver pipe to the spindle axis or to remove pipe therefrom as required |
| 6179065 |
System and method for automatically controlling a pipe handling system for a horizontal boring m |
January 30, 2001 |
| An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system. The pipe handling assembly |
| 5425179 |
Optical sensor for measuring inclination angles |
June 20, 1995 |
| A device utilized for accurately measuring inclination angles independent of roll position using optical methods, whereby an amplitude of reflected (or refracted) light rays from a surface of a gravity-leveled liquid are detected by a photo-detector. The amplitude of the detected light b |
