Patent | Date |
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Establishing Positions Of Locating Field Detectors And Path Mapping In Underground Boring Tool Applications App 20140131103 - Brune; Guenter W. ;   et al. | 2014-05-15 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications Grant 8,668,030 - Brune , et al. March 11, 2 | 2014-03-11 |
Establishing Positions Of Locating Field Detectors And Path Mapping In Underground Boring Tool Applications App 20130153299 - Brune; Guenter W. ;   et al. | 2013-06-20 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications Grant 8,393,414 - Brune , et al. March 12, 2 | 2013-03-12 |
Establishing Positions Of Locating Field Detectors And Path Mapping In Underground Boring Tool Applications App 20120085582 - Brune; Guenter W. ;   et al. | 2012-04-12 |
Method for establishing the positions of a transmitter and detector in a region Grant 8,025,109 - Brune , et al. September 27, 2 | 2011-09-27 |
Establishing Positions of Locating Field Detectors and Path Mapping in Underground Boring Tool Applications App 20090255730 - Brune; Guenter W. ;   et al. | 2009-10-15 |
Method and apparatus for establishing the position of a sonde in a region using a single detector Grant 7,562,722 - Brune , et al. July 21, 2 | 2009-07-21 |
Establishing Positions of Locating Field Detectors and Path Mapping in Underground Boring Tool Applications App 20080121431 - Brune; Guenter W. ;   et al. | 2008-05-29 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications Grant 7,347,280 - Brune , et al. March 25, 2 | 2008-03-25 |
Mapping tool for tracking and/or guiding an underground boring tool Grant 7,159,672 - Mercer , et al. January 9, 2 | 2007-01-09 |
Mapping tool for tracking and/or guiding an underground boring tool App 20060225921 - Mercer; John E. ;   et al. | 2006-10-12 |
Mapping tool for tracking and/or guiding an underground boring tool Grant 7,080,698 - Mercer , et al. July 25, 2 | 2006-07-25 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications App 20060124355 - Brune; Guenter W. ;   et al. | 2006-06-15 |
Method of establishing positions of locating field detectors and path mapping in underground boring tool applications Grant 7,021,403 - Brune , et al. April 4, 2 | 2006-04-04 |
Mapping tool for tracking and/or guiding an underground boring tool App 20050236185 - Mercer, John E. ;   et al. | 2005-10-27 |
Mapping tool for tracking and/or guiding an underground boring tool Grant 6,920,943 - Mercer , et al. July 26, 2 | 2005-07-26 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications App 20040084218 - Brune, Guenter W. ;   et al. | 2004-05-06 |
Mapping tool for tracking and/or guiding an underground boring tool App 20040045739 - Mercer, John E. ;   et al. | 2004-03-11 |
Path mapping in underground boring tool applications Grant 6,668,944 - Brune , et al. December 30, 2 | 2003-12-30 |
Mapping tool for tracking and/or guiding an underground boring tool Grant 6,640,907 - Mercer , et al. November 4, 2 | 2003-11-04 |
Skin depth compensation in underground boring applications App 20030201126 - Brune, Guenter W. ;   et al. | 2003-10-30 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications App 20030136583 - Brune, Guenter W. ;   et al. | 2003-07-24 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications Grant 6,536,538 - Brune , et al. March 25, 2 | 2003-03-25 |
Mapping tool for tracking and/or guiding an underground boring tool App 20030051913 - Mercer, John E. ;   et al. | 2003-03-20 |
Mapping tool for tracking and/or guiding an underground boring tool Grant 6,457,537 - Mercer , et al. October 1, 2 | 2002-10-01 |
Mapping tool for tracking and/or guiding an underground boring tool Grant 6,454,023 - Mercer , et al. September 24, 2 | 2002-09-24 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications App 20020096364 - Brune, Guenter W. ;   et al. | 2002-07-25 |
Mapping tool for tracking and/or guiding an underground boring tool App 20020079136 - Mercer, John E. ;   et al. | 2002-06-27 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications Grant 6,364,035 - Brune , et al. April 2, 2 | 2002-04-02 |
Establishing positions of locating field detectors and path mapping in underground boring tool applications App 20010022239 - Brune, Guenter W. ;   et al. | 2001-09-20 |
Skin depth compensation in underground boring applications Grant 6,285,190 - Brune , et al. September 4, 2 | 2001-09-04 |
Establishing positions of locating field detectors and path mappings in underground boring tool applications Grant 6,250,402 - Brune , et al. June 26, 2 | 2001-06-26 |
System, arrangements and associated methods for tracking and/or guiding an underground boring tool Grant 6,095,260 - Mercer , et al. August 1, 2 | 2000-08-01 |
Systems, arrangements and associated methods for tracking and/or guiding an underground boring tool Grant 6,047,783 - Mercer , et al. April 11, 2 | 2000-04-11 |
System for tracking and/or guiding an underground boring tool Grant 6,035,951 - Mercer , et al. March 14, 2 | 2000-03-14 |
Orthogonal antenna arrangement and method Grant 6,005,532 - Ng December 21, 1 | 1999-12-21 |
Technique for steering a downhole hammer Grant 4,867,255 - Baker , et al. September 19, 1 | 1989-09-19 |