| Patents for E21B 11 - Other drilling tools (454) |
|---|
| 10/28/2010 | DE102008064180A1 Mechanical device for positioning drill hole in soil, has drilling rod, at which drilling tool with cutting coil is arranged, and has drill drive unit for driving drilling tool with drilling rod around drilling axis |
| 10/12/2010 | CA2630108C Electro-mechanical thruster |
| 09/22/2010 | CN201588556U Small-radius curved tunnel lining trolley wedged template |
| 07/08/2010 | WO2010076560A1 Trenchless ducting apparatus frame |
| 04/28/2010 | CN201443303U Reverse drawer used in oriented drilling technique |
| 04/20/2010 | CA2492626C Flexible wellbore broach |
| 04/01/2010 | US20100078220 Drilling and opening reservoirs using an oriented fissure |
| 04/01/2010 | US20100078218 Drilling and opening reservoirs using an oriented fissure to enhance hydrocarbon flow |
| 03/16/2010 | US7677119 System for using a device for picking up samples in a soil or material with powdery or granular nature |
| 03/11/2010 | US20100059277 A reversible, percussive, ram-boring machine |
| 02/24/2010 | CN101657603A Drilling head for reborinq a stuck valve |
| 01/06/2010 | EP2141322A2 Soil drilling device |
| 12/16/2009 | EP2132403A2 Drilling head for reborinq a stuck valve |
| 12/16/2009 | CN201363092Y Clamping mechanism for drill-rod lifter of mining deep-hole drilling carriage |
| 12/15/2009 | CA2405533C Flexible hose with thrusters for horizontal well drilling |
| 12/09/2009 | CN100567698C Tunnel advanced support air circulated drilling construction method and drilling tool |
| 11/11/2009 | CN100558990C Drilling-hole press-filling-concrete-pulp agitation base-enlarging method and apparatus |
| 10/21/2009 | CN201330562Y Hand-push support of earth drill |
| 10/01/2009 | WO2008104179A8 Drilling head for reborinq a stuck valve |
| 08/29/2009 | CA2623121A1 Method and system for helicopter portable drilling |
| 08/27/2009 | WO2009085112A3 Nano particle reinforced polymer element for a stator and rotor assembly |
| 08/27/2009 | US20090211812 Boring head method and boring head for a ground boring device |
| 07/29/2009 | EP1285250B1 Device for taking samples from a material of granular or powdery composition |
| 07/28/2009 | CA2388485C Device for taking samples from a material of granular or powdery composition |
| 07/09/2009 | WO2009085112A2 Nano particle reinforced polymer element for a stator and rotor assembly |
| 06/02/2009 | CA2352905C Frac plug with caged ball |
| 04/16/2009 | CA2641395A1 Stand-alone drainage hole drilling system |
| 04/09/2009 | US20090090511 System and method for controlling solids in a down-hole fluid pumping system |
| 04/02/2009 | US20090084605 Indexing for coiled tubing drilling rig |
| 03/18/2009 | CN101389824A Stored energy coupling and pipe bursting apparatus |
| 03/12/2009 | DE202008016851U1 Vorrichtung zum Einbringen einer Erdbohrung in das Erdreich Means for introducing a well bore into the ground |
| 02/19/2009 | US20090044975 Subterranean material dispensing apparatus and method |
| 02/17/2009 | US7490680 Process and system for drilling and lining a bore hole |
| 11/13/2008 | WO2006047411A3 Stored energy coupling and pipe bursting apparatus |
| 11/12/2008 | EP1989392A1 A reversible, percussive, ram-boring machine |
| 10/22/2008 | EP1983146A2 Drilling machine |
| 10/16/2008 | WO2008123791A1 Device for drilling oil and gas wells |
| 10/16/2008 | WO2008104179A3 Drilling head for reborinq a stuck valve |
| 09/10/2008 | CN101260784A Tunnel advanced support air circulated drilling construction method and drilling tool |
| 09/04/2008 | WO2008104179A2 Drilling head for reborinq a stuck valve |
| 09/04/2008 | CA2685063A1 Drilling head for reboring a stuck valve |
| 08/20/2008 | CN101248248A Method and apparatus for conducting earth borehole operations using coiled casing |
| 07/31/2008 | DE202008006571U1 Mobiles Erdbohrgerät Mobile earth boring |
| 07/17/2008 | WO2006120581A3 Digger for piles |
| 07/03/2008 | WO2008080010A1 Linear motor to pre-bias shuttle force |
| 07/03/2008 | CA2673009A1 Linear motor to pre-bias shuttle force |
| 06/26/2008 | WO2008076908A2 Core drill bit with extended matrix height |
| 06/19/2008 | US20080142262 Core Drill Bit with Extended Crown Height |
| 06/12/2008 | DE102006057847A1 Hammer boring head with diesel based explosion pile driver head useful in deep boring operations has longer life than previous heads and provides high rate boring at depths up to 2000 meter |
| 04/03/2008 | US20080078565 Auger stabilizer |
| 03/28/2008 | CA2561421A1 Auger stabilizer |
| 03/06/2008 | WO2008026971A1 A support for a drill rig, an assembly for drilling holes and a method for drilling |
| 12/26/2007 | EP1498576B1 Drilling device for earth drill |
| 11/06/2007 | US7290814 Post hole digger |
| 11/01/2007 | WO2007121510A1 Improved drilling apparatus and drive unit |
| 10/07/2007 | CA2572214A1 Post hole digger |
| 10/04/2007 | DE202007006752U1 Kiespumpe mit automatischer Entleerung Gravel pump with automatic drain |
| 09/06/2007 | DE102006010227A1 Rammbohrgerät mit pneumatischer Umsteuerung Ram boring machine with pneumatic reversing |
| 08/23/2007 | WO2007092993A1 A reversible, percussive, ram-boring machine |
| 07/25/2007 | EP1809853A2 Underground piercing tool |
| 06/14/2007 | US20070131453 Automatic SPT monitor |
| 05/10/2007 | US20070102195 Expandable Drill Bit |
| 05/10/2007 | US20070102194 Soil auger assembly |
| 04/18/2007 | CN1311141C Method for drilling a borehole and wet boring tool |
| 03/28/2007 | CN1936194A Drilling-hole press-filling-concrete-pulp agitation base-enlarging method and apparatus |
| 03/20/2007 | US7191853 Hole cleaning and/or forming tool |
| 03/01/2007 | WO2007002010A3 Method and apparatus for conducting earth borehole operations using coiled casing |
| 02/07/2007 | CN1908362A Large deformation lining ring structure for constructing tunnel |
| 01/31/2007 | CN1297725C Drilling device for earth drill |
| 01/18/2007 | US20070012485 Pulling tool device for use in tubulars and boreholes for oil-and gas production |
| 01/18/2007 | US20070012482 Method and device for producing pretensioned anchorings |
| 01/02/2007 | CA2324705C Dual cutting mill |
| 12/27/2006 | CN1292131C Method of constructing enlarged based composite foundation for stirring concrete filling pile |
| 11/14/2006 | US7134611 Air nozzle for pneumatic tools |
| 09/21/2006 | US20060207794 Reversible penetrating machine with a springless pneumatically loaded differential air distributing mechanism |
| 08/24/2006 | WO2006047386A3 Underground piercing tool |
| 08/10/2006 | US20060175095 Boring machine |
| 06/27/2006 | US7066279 Pneumatic ground piercing tool |
| 05/09/2006 | US7040416 T-post hole-forming device and use for installing a T-post |
| 05/04/2006 | CA2585264A1 Underground piercing tool |
| 04/26/2006 | EP1650399A1 Device for screwing together rod-shaped elements |
| 04/25/2006 | US7032692 Drilling device for earth drill |
| 04/25/2006 | CA2143060C Soil solidification apparatus with a shear blade of adjustable length and rotation speed for creating a ribbed soil-cement pile |
| 03/30/2006 | US20060066117 Posthole digger |
| 01/12/2006 | US20060008326 Apparatus to form columns of granular material |
| 12/22/2005 | US20050279531 Lateral boring system |
| 12/14/2005 | EP1605242A1 System for the use of an apparatus for taking samples in the ground or a granular or pulverulent material |
| 12/01/2005 | US20050263616 Air nozzle of pneumatic tools |
| 11/17/2005 | US20050252312 System for using a device for picking up samples in a soil or material with powdery or granular nature |
| 11/17/2005 | CA2507564A1 System for using a device for taking samples from a soil or material of granular or powdery composition |
| 10/13/2005 | DE202005007260U1 Gravel pump for well construction with facilitated distribution and fixed piston rod has pump head with distribution openings cut out of both sides to enable simpler and easier emptying without removing or hanging out piston rod |
| 07/14/2005 | DE10351956B3 Device for extracting earth material from pipe driven into soil has flaps held by cable extending from one end of gripper pipe to other connected to actuator so this lowers cable and flaps drop to outlet position under pressure of soil |
| 05/12/2005 | WO2005042913A1 A tool for excavating holes |
| 04/14/2005 | US20050077088 Hole cleaning and/or forming tool |
| 04/07/2005 | DE4323126B4 Handgeführtes Bohrgerät The hand-held drill |
| 03/30/2005 | CN1600997A Method of constructing enlarged based composite foundation for stirring concrete filling pile |
| 01/25/2005 | US6845677 Device for taking samples from a material of granular or powdery composition |
| 01/19/2005 | EP1498576A1 Drilling device for earth drill |
| 01/19/2005 | CN1185400C Hole-forming drilling machine with planetary movement for foundation engineering with large-diameter piles |
| 10/28/2004 | US20040212204 Posthole digger |