JPS5437409B2
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1974-05-23 |
1979-11-15 |
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1975-07-14 |
1979-12-04 |
Reading And Bates Construction Co. |
System and method for installing production casings
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1975-07-14 |
1977-08-23 |
Tidril Corporation |
System and method for installing production casings
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1975-07-14 |
1976-12-14 |
Tidril Corporation |
Method for placement of production casing under obstacle
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1975-12-22 |
1977-05-03 |
Kabushiki Kaisha Komatsu Seisakusho |
Method of laying pipes in the ground
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JPS52105611A
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*
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1976-03-02 |
1977-09-05 |
Komatsu Mfg Co Ltd |
Drilling apparatus
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CA1056366A
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*
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1976-08-30 |
1979-06-12 |
Frederick E. Johnston |
Methode et appareil de forage
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JPS5345007A
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1976-10-05 |
1978-04-22 |
Kido Kensetsu Kogyo |
Method of and apparatus for laying small diameter pipe by driving
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IL51070A
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1976-12-08 |
1979-07-25 |
Mottes S |
Method of producing an underground installation of concrete pipe and devicde useful in such method
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ZA77289B
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1977-01-19 |
1978-04-26 |
Smith Boart Ltd |
Improvements in raise-boring
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1977-03-30 |
1978-10-03 |
Smith International, Inc. |
Apparatus and method for enlarging underground arcuate bore holes
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JPS5448912A
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1977-09-27 |
1979-04-17 |
Teiseki Sakusei Kougiyou Kk |
Device of laying large aperture pipe while expanding arched hole
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JPS5463508A
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1977-10-05 |
1979-05-22 |
Teiseki Sakusei Kougiyou Kk |
Method of inserting and laying steel pipe circularly under ground
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1977-12-15 |
1980-09-09 |
Cherrington Martin D |
Drilling method and apparatus for large diameter pipe
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DE2824915C2
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1978-06-07 |
1985-01-10 |
Paul 5940 Lennestadt Schmidt |
Verfahren zum Herstellen von beiderseits offenen Erdbohrungen
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JPS5526376A
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1978-08-16 |
1980-02-25 |
Teiseki Sakusei Kogyo Kk |
Method of pushing steel pipe into ground
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1978-11-06 |
1980-02-05 |
Dresser Industries, Inc. |
Steep angle raise bit
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1979-03-09 |
1984-04-03 |
Anders Edward O |
Method and apparatus for drilling a well bore
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1979-09-24 |
1983-09-06 |
Reading & Bates Construction Co. |
Apparatus for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein
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1979-09-24 |
1982-03-16 |
Reading & Bates Construction Co. |
Process for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein
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USRE32267E
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1979-09-24 |
1986-10-21 |
Reading & Bates Construction Co. |
Process for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein
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JPS5725226U
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1980-07-18 |
1982-02-09 |
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EP0053480B2
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1980-12-02 |
1992-07-29 |
British Gas plc |
Echange de tuyaux
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1980-12-09 |
1984-06-12 |
Voss Development Corporation |
Apparatus and method for selected path drilling
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JPS5813898A
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1981-07-17 |
1983-01-26 |
新日本製鐵株式会社 |
曲管の地中敷設方法
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1982-09-20 |
1986-03-18 |
Nippon Telegraph & Telephone Public Corp. |
Pipe laying apparatus
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JPS59122698A
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1982-12-27 |
1984-07-16 |
東京瓦斯株式会社 |
非開削工法による管埋設方法及び装置
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1984-05-25 |
1993-09-30 |
Zueblin Ag |
Verfahren zum unterirdischen Einbau von Rohrleitungen und Vorrichtung zur Durchführung des Verfahrens
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1985-05-14 |
1992-01-14 |
Cherrington Corporation |
Apparatus and method for forming an enlarged underground arcuate bore and installing a conduit therein
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1985-05-14 |
1987-07-14 |
Cherrington Martin D |
Apparatus and method for forming an enlarged underground arcuate bore and installing a conduit therein
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1985-05-14 |
1988-11-15 |
Cherrington Martin D |
Apparatus and method for installing a conduit within an arcuate bore
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1985-10-04 |
1990-07-31 |
American Colloid Company |
Anti-friction composition containing MgO and method
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1985-10-04 |
1991-02-05 |
American Colloid Company |
Anti-friction composition containing MgO and method
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FR2614332B1
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1987-04-21 |
1991-08-16 |
Horizontal Drilling Internatio |
Procede pour installer une canalisation souterraine et installation s'y rapportant
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NL8802302A
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1988-09-16 |
1990-04-17 |
Visser & Smit Bv |
Werkwijze voor het aanleggen van een buisleiding door een grondmassief.
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1991-09-16 |
1993-01-05 |
Baker Energy Resources Corporation |
Apparatus and method for recirculating mud when drilling under an obstacle
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1992-06-24 |
1994-09-22 |
Tracto Technik |
Verfahren und Vorrichtung zum Herstellen einer Erdbohrung
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1992-08-27 |
1994-05-24 |
Mark Osadchuk |
Horizontal pipeline boring apparatus and method
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1995-04-26 |
1997-11-18 |
Vermeer Manufacturing Company |
Cutter head for trenchless boring machine
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CA2161482C
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1995-07-11 |
2007-08-21 |
Christian J. Brahler |
Methode de mise en place ou de remplacement de canalisations souterraines
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AU726231B2
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1995-09-22 |
2000-11-02 |
Cherrington (Australia) Pty Ltd |
Pipe protector
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1996-04-29 |
1997-11-18 |
Perry; Robert G. |
Back reamer apparatus
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DE19633932C2
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1996-08-22 |
2001-12-06 |
Max Streicher Kg Bauunternehmu |
Verfahren zum Sanieren von wenigstens teilweise unter der Oberfläche verlegten Rohrleitungen
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1997-05-13 |
1999-11-09 |
Ozzie's Pipeline Padder, Inc. |
Horizontal boring apparatus and method of using the same
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1997-05-13 |
1999-11-09 |
Ozzie's Pipeline Padder, Inc. |
Horizontal boring apparatus
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EP0890707A1
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1997-07-11 |
1999-01-13 |
Heerema Ondergrondse Infrastructuren B.V. |
Procédé, système et dispositif pour la construction de parois dans le sol
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FI990589A
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1999-03-16 |
2000-09-17 |
Rd Trenchless Ltd Oy |
Menetelmä ja laitteisto maanalaiseen poraukseen
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1999-11-02 |
2001-06-06 |
Visser & Smit Bv |
Werkwijze voor het aanleggen van een geboorde tunnel.
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1999-11-08 |
2001-05-08 |
Ozzie's Pipeline Padder, Inc. |
Drill pipe guiding apparatus for a horizontal boring machine method
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EP1126130A1
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2000-02-17 |
2001-08-22 |
Subtec AG |
Procédé et dispositif de pose de canalisations sans excavation
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NL1014813C2
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2000-03-31 |
2001-10-02 |
Van Leeuwen Harmelen Bv Geb |
Ruimer voor grondboringen.
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EP1300543A1
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2001-10-08 |
2003-04-09 |
Günter W. Prof. Dr. Klemm |
Système de forage avec élargisseur
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2002-02-26 |
2004-01-27 |
Ina Acquisition Corp. |
Method of accurate trenchless installation of underground pipe
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2002-06-14 |
2005-02-08 |
Martin Cherrington |
Apparatus and process for drilling casing with environmentally contained mud annulus
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DE10311572B4
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2003-03-10 |
2014-06-05 |
Dr. Johannes Heidenhain Gmbh |
Anordnung zur Verbindung eines rohrförmigen Elementes mit einem darin erstreckten Körper
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WO2005056971A1
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2003-12-11 |
2005-06-23 |
Roth Raymond G |
Procede et appareil de forage directionnel
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2004-04-14 |
2008-06-24 |
The Charles Machine Works, Inc. |
Dual-member auger boring system
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FR2929982B1
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2008-04-14 |
2010-06-25 |
Spac |
Dispositif d'alesage destine a des operations de forage horizontal dirige et procede de forage horizontal dirige utilisant un tel dispositif.
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NO342521B1
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2013-03-22 |
2018-06-04 |
Norhard As |
Boreinnretning spesielt tilrettelagt for opprømming av borehull i en fjellformasjon, samt en framgangsmåte for opprømming av et borehull i en fjellformasjon
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DE102013017388A1
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2013-10-19 |
2015-04-23 |
Prime Drilling Gmbh |
Vorrichtung und Verfahren zum Einbringen eines Rohrs ins Erdreich
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CA2978864C
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2014-03-06 |
2019-09-17 |
Barbco, Inc. |
Appareil et procede permettant de forer des trous de forage souterrains generalement horizontaux
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2016-09-06 |
2021-08-17 |
Quanta Associates, L.P. |
Repurposing pipeline for electrical cable
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2016-09-06 |
2021-02-09 |
Quanta Associates, L.P. |
Pulling product lines underground under obstacles including water bodies
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2017-10-10 |
2018-08-14 |
Martin Cherrington |
Horizontal directional drilling tool with return flow and method of using same
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