USRE37975E1
(en)
|
1988-06-27 |
2003-02-04 |
The Charles Machine Works, Inc. |
Directional boring head with blade assembly
|
US5148880A
(en)
*
|
1990-08-31 |
1992-09-22 |
The Charles Machine Works, Inc. |
Apparatus for drilling a horizontal controlled borehole in the earth
|
US5242026A
(en)
*
|
1991-10-21 |
1993-09-07 |
The Charles Machine Works, Inc. |
Method of and apparatus for drilling a horizontal controlled borehole in the earth
|
USRE37450E1
(en)
|
1988-06-27 |
2001-11-20 |
The Charles Machine Works, Inc. |
Directional multi-blade boring head
|
US5799740A
(en)
*
|
1988-06-27 |
1998-09-01 |
The Charles Machine Works, Inc. |
Directional boring head with blade assembly
|
US5341887A
(en)
*
|
1992-03-25 |
1994-08-30 |
The Charles Machine Works, Inc. |
Directional multi-blade boring head
|
US4958689A
(en)
*
|
1988-12-30 |
1990-09-25 |
Gas Research Institute |
Method of providing a high pressure surge of working fluid to an underground percussive mole
|
US4936397A
(en)
*
|
1989-03-27 |
1990-06-26 |
Slimdril International, Inc. |
Earth drilling apparatus with control valve
|
US5070948A
(en)
*
|
1989-04-06 |
1991-12-10 |
The Charles Machine Works, Inc. |
Directional rod pusher
|
US4945999A
(en)
*
|
1989-04-06 |
1990-08-07 |
The Charles Machine Works, Inc. |
Directional rod pusher
|
DE3911467A1
(de)
*
|
1989-04-08 |
1990-10-11 |
Tracto Technik |
Selbstantreibbares rammbohrgeraet, insbesondere fuer die herstellung von rohrfoermigen erdbohrungen
|
DE3939538A1
(de)
*
|
1989-11-30 |
1991-06-13 |
Eastman Christensen Co |
Richtungsbohrwerkzeug
|
US5249634A
(en)
*
|
1990-12-10 |
1993-10-05 |
Industrial Engineering, Inc. |
Impact borer for embedding lines, anchoring cables, and sinking wells
|
US5941322A
(en)
*
|
1991-10-21 |
1999-08-24 |
The Charles Machine Works, Inc. |
Directional boring head with blade assembly
|
GB9125551D0
(en)
*
|
1991-11-30 |
1992-01-29 |
Appleton Robert P |
Mud check valves in drilling apparatus(wells)
|
US5716164A
(en)
*
|
1991-12-02 |
1998-02-10 |
Foldtani Kutato Es Furo Ket |
Process for the local treatment of soil in particular for examination and cleaning of contaminated soil
|
US5255749A
(en)
*
|
1992-03-16 |
1993-10-26 |
Steer-Rite, Ltd. |
Steerable burrowing mole
|
US5340238A
(en)
*
|
1992-08-04 |
1994-08-23 |
Tanknology Corporation International |
Method and apparatus for testing above ground liquid storage tanks for leaks
|
US5322391A
(en)
*
|
1992-09-01 |
1994-06-21 |
Foster-Miller, Inc. |
Guided mole
|
US5445230A
(en)
*
|
1993-10-01 |
1995-08-29 |
Wattenburg; Willard H. |
Downhole drilling subassembly and method for same
|
US5673765A
(en)
*
|
1993-10-01 |
1997-10-07 |
Wattenburg; Willard H. |
Downhole drilling subassembly and method for same
|
US5350254A
(en)
*
|
1993-11-22 |
1994-09-27 |
Foster-Miller, Inc. |
Guided mole
|
US5435402A
(en)
*
|
1994-09-28 |
1995-07-25 |
Ziegenfuss; Mark |
Self-propelled earth drilling hammer-bit assembly
|
US5597046A
(en)
*
|
1995-04-12 |
1997-01-28 |
Foster-Miller, Inc. |
Guided mole
|
US5682956A
(en)
*
|
1996-02-14 |
1997-11-04 |
The Charles Machine Works, Inc. |
Dual member pipe joint for a dual member drill string
|
USRE38418E1
(en)
|
1996-02-14 |
2004-02-10 |
The Charles Machine Works, Inc. |
Dual member pipe joint for a dual member drill string
|
DE19607365C5
(de)
*
|
1996-02-27 |
2004-07-08 |
Tracto-Technik Paul Schmidt Spezialmaschinen |
Verfahren zum Lenken eines Erdbohrgeräts und ein lenkbares Gerät zum Herstellen einer Erdbohrung
|
US5778987A
(en)
*
|
1996-04-29 |
1998-07-14 |
Inco Limited |
Guided drilling system with shock absorber
|
NO302191B1
(no)
*
|
1996-06-07 |
1998-02-02 |
Bakke Oil Tools As |
Anordning for å tilföre slagenergi til fastsittende gjenstander i en brönn, for å lösne gjenstandene
|
US6053264A
(en)
*
|
1997-05-15 |
2000-04-25 |
Sunrise Enterprises, Llc |
Cutter head mounting for drill bit
|
DE19904864C2
(de)
*
|
1999-02-06 |
2001-02-22 |
Tracto Technik |
Verwendung eines Druckluftschlauchs
|
US6371223B2
(en)
*
|
1999-03-03 |
2002-04-16 |
Earth Tool Company, L.L.C. |
Drill head for directional boring
|
EP1165929A1
(de)
|
1999-03-03 |
2002-01-02 |
Earth Tool Company L.L.C. |
Vorrichtung und verfahren zum richtungsbohren
|
US6116354A
(en)
*
|
1999-03-19 |
2000-09-12 |
Weatherford/Lamb, Inc. |
Rotary steerable system for use in drilling deviated wells
|
GB9920731D0
(en)
*
|
1999-09-03 |
1999-11-03 |
Stable Services Ltd |
Downhole diverter tools
|
WO2001025585A2
(de)
*
|
1999-10-04 |
2001-04-12 |
Tracto-Technik Gmbh |
Lenkbare erdrakete
|
SE516651C2
(sv)
*
|
1999-11-26 |
2002-02-05 |
Sandvik Ab |
Gängförband för slående borrning, en handel och en hondel
|
US7347283B1
(en)
|
2002-01-15 |
2008-03-25 |
The Charles Machine Works, Inc. |
Using a rotating inner member to drive a tool in a hollow outer member
|
US6739413B2
(en)
*
|
2002-01-15 |
2004-05-25 |
The Charles Machine Works, Inc. |
Using a rotating inner member to drive a tool in a hollow outer member
|
US6761231B1
(en)
|
2002-05-06 |
2004-07-13 |
The Charles Machines Works, Inc. |
Rotary driven drilling hammer
|
CA2499759C
(en)
*
|
2002-08-21 |
2011-03-08 |
Presssol Ltd. |
Reverse circulation directional and horizontal drilling using concentric drill string
|
RU2329376C2
(ru)
*
|
2003-05-30 |
2008-07-20 |
СТРАТЭЛОК ТЕКНОЛОДЖИ ПРОДАКТС Эл Эл Си |
Узел и способ регулирования энергии кручения бурильной колонны
|
US6923270B1
(en)
*
|
2004-04-15 |
2005-08-02 |
Earth Tool Company, L.L.C. |
Pneumatic impact piercing tool
|
US7387176B2
(en)
*
|
2004-05-08 |
2008-06-17 |
Mellott Joseph C |
Down hole air diverter
|
CN101595272B
(zh)
*
|
2006-06-16 |
2012-11-28 |
维米尔制造公司 |
微型隧道掘进系统和设备
|
EP2052436B1
(de)
|
2006-09-15 |
2014-10-29 |
Halliburton Energy Services, Inc. |
Multiaxialantenne und anwendungsmethode in extraktionswerkzeugen
|
DE102007027898A1
(de)
*
|
2007-06-18 |
2008-12-24 |
Robert Bosch Gmbh |
Elektrowerkzeug mit Kaltstartfunktion
|
GB2457497B
(en)
|
2008-02-15 |
2012-08-08 |
Pilot Drilling Control Ltd |
Flow stop valve
|
US8439450B2
(en)
*
|
2009-02-11 |
2013-05-14 |
Vermeer Manufacturing Company |
Tunneling apparatus including vacuum and method of use
|
MY163442A
(en)
|
2009-08-18 |
2017-09-15 |
Pilot Drilling Control Ltd |
Flow stop valve
|
US9651711B1
(en)
*
|
2012-02-27 |
2017-05-16 |
SeeScan, Inc. |
Boring inspection systems and methods
|
EP3175074B1
(de)
*
|
2014-07-31 |
2022-11-02 |
Ignis Technologies Pty Ltd. |
Im-loch-hammer und systeme und komponenten davon
|
CN106437589B
(zh)
*
|
2016-10-27 |
2019-04-09 |
北京精密机电控制设备研究所 |
一种智能磨鞋
|
AU2019377868A1
(en)
|
2018-11-09 |
2021-05-27 |
Flowserve Pte. Ltd. |
Fluid exchange devices and related controls, systems, and methods
|
AU2019377592A1
(en)
|
2018-11-09 |
2021-05-27 |
Flowserve Pte. Ltd. |
Methods and valves including flushing features.
|
US10865810B2
(en)
|
2018-11-09 |
2020-12-15 |
Flowserve Management Company |
Fluid exchange devices and related systems, and methods
|
US11286958B2
(en)
|
2018-11-09 |
2022-03-29 |
Flowserve Management Company |
Pistons for use in fluid exchange devices and related devices, systems, and methods
|
CA3119069A1
(en)
|
2018-11-09 |
2020-05-14 |
Flowserve Management Company |
Fluid exchange devices and related controls, systems, and methods
|
WO2020097545A1
(en)
|
2018-11-09 |
2020-05-14 |
Flowserve Management Company |
Fluid exchange devices and related controls, systems, and methods
|
CA3155580A1
(en)
|
2019-12-12 |
2021-06-17 |
William J. BOYKO |
Fluid exchange devices and related controls, systems, and methods
|
CN111927306B
(zh)
*
|
2020-09-03 |
2022-06-28 |
长沙天和钻具机械有限公司 |
一种进气量可调节大孔径冲击器
|
US11661819B2
(en)
*
|
2021-08-03 |
2023-05-30 |
Baker Hughes Oilfield Operations Llc |
Valve, method and system
|