1
Kevin L Alft, Brian J Bischel, Gregg A Austin, Hans Kelpe: Excavation system and method employing adjustable down-hole steering and above-ground tracking. Vermeer Manufacturing Company, Crawford Maunu PLLC, October 29, 2002: US06470976 (46 worldwide citation)

Systems and methods for controlling an underground boring tool involve rotating the boring tool and sensing a parameter of boring tool rotation. The boring tool is also displaced along an underground path and a parameter of boring tool displacement is sensed. Various sensors monitor boring machine a ...


2
Kevin L Alft, Brian J Bischel, Gregg A Austin, Hans Kelpe: Underground drilling device and method employing down-hole radar. Vermeer Manufacturing Company, Crawford Maunu PLLC, June 29, 2004: US06755263 (35 worldwide citation)

Systems and methods for sensing at an underground drilling device in communication with an above-ground locator involve transmitting a radar probe signal from the underground drilling device. A radar return signal is received at the underground drilling device. The radar return signal is processed a ...


3
Gregg A Austin, Gary E Coppock: Drivetrain and load bearing swivel hitch assemby and combine incorporating same. Bush Hog Corporation, Lockwood Alex Fitzgibbon & Cummings, July 2, 1996: US05531283 (29 worldwide citation)

A drivetrain and load bearing swivel hitch assembly is provided which separates the load carrying function from the power transmitting function and features a swivel hitch assembly having three axes of rotation which allow for roll, pitch and yaw movement, respectively. One end of the load bearing s ...


4
Gregg A Austin, Gary E Coppock: Drivetrain and load bearing swivel hitch assembly and combine incorporating same. Bush Hog Corporation, Lockwood Alex FitzGibbon & Cummings, October 18, 1994: US05355971 (16 worldwide citation)

A drivetrain and load bearing swivel hitch assembly is provided which separates the load carrying function from the power transmitting function and features a swivel hitch assembly having three axes of rotation which allow for roll, pitch and yaw movement, respectively. One end of the load bearing s ...


5
Ivan R Brand, Gregg A Austin, Fred G Delonti: Remote lock-out system and method for a horizontal direction drilling system. Vermeer Manufacturing Company, Crawford Maunu PLLC, June 25, 2002: US06408952 (16 worldwide citation)

Systems and methods for remotely altering operation of a horizontal directional drilling machine provide for remotely disabling movement of a drill string coupled to a cutting head or reamer and, in addition, disabling dispensing of fluid, foam and/or air communicated through the drill string. A loc ...


6
Mark Van Houwelingen, Randy Runquist, Brian J Bischel, Mark R Stelter, Gregg A Austin: Directional drilling machine and method of directional drilling. Vermeer Manufacturing Company, Crawford PLLC, December 10, 2002: US06491115 (12 worldwide citation)

A system, apparatus and method for automatically limiting the thrust force applied to a drill string during an underground boring process, in order to prevent the deformation or collapse to the drill rods due to reaching the yield point of the rods. One or more drill string characteristics that have ...


7
Duane E Norby, Brian J Bischel, Steven Erickson, Gregg A Austin, Scott A Rempe: Automated lubricant dispensing system and method for a horizontal directional drilling machine. Vermeer Manufacturing Company, Crawford Maunu PLLC, May 6, 2003: US06557651 (12 worldwide citation)

A lubrication system and method for dispensing a lubricant to threads of a drill rod and/or a spindle of a horizontal directional drilling (HDD) machine during a rod loading or unloading operation employs a pumping system having a lubricant reservoir, a pump, an applicator, and a lubricant supply co ...


8
Ivan R Brand, Scott Kilborn, Hans Kelpe, Gregg A Austin: Remote lock-out system and method for a horizontal directional drilling machine. Vermeer Manufacturing Company, Crawford Maunu PLLC, July 27, 2004: US06766869 (6 worldwide citation)

A remote lock-out system and method are employed with a drilling machine. The remote lock-out system includes a remote lock-out override controller capable of interrupting a drilling operation of the drilling machine. The remote lock-out override controller includes a transmitter and a receiver. A r ...


9
Gregg A Austin, David P Langenfeld, Peter C Rozendaal: Directional boring machine. Vermeer Manufacturing Company, Merchant Gould Smith Edell Welter & Schmidt P A, August 24, 1999: US05941320 (2 worldwide citation)

An underground directional boring machine includes a frame and a drive mechanism slidably mounted on the frame. A drill string is coupled to the drive mechanism for rotation and longitudinal advancement and retraction. A drive assembly moves the drive mechanism along the frame. The drive assembly in ...


10
Mark Van Houwelingen, Randy Runquist, Brian J Bischel, Mark R Stelter, Gregg A Austin: Directional drilling machine and method of directional drilling. Steven R Funk, Altera Law Group, September 20, 2001: US20010022238-A1

A system, apparatus and method for automatically limiting the thrust force applied to a drill string during an underground boring process, in order to prevent the deformation or collapse to the drill rods due to reaching the yield point of the rods. One or more drill string characteristics that have ...