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FR2394611A1
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1977-03-14 |
1979-01-12 |
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Procede d'obtention d'un element allonge en acier dur
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GB1576944A
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1977-06-20 |
1980-10-15 |
British Steel Corp |
Production of steeel rod or bar
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JPS553322A
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1978-06-19 |
1980-01-11 |
Nippon Kokan Kk |
Blast furnace water slag equipment net washing method
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1985-10-11 |
1988-11-15 |
Mitsubishi Steel Mfg. Co., Ltd. |
Corrosion-resistant clad steel and method for producing the same
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1986-09-19 |
1994-06-09 |
Aicher Max |
Verfahren zur Herstellung von Walzstahlerzeugnissen
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1995-01-20 |
1998-09-23 |
British Steel Plc |
Improvements in and relating to Carbide-Free Bainitic Steels
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CN100545291C
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2003-04-25 |
2009-09-30 |
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用作导管的无缝钢管和获得所述钢管的方法
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DE602006014451D1
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2006-06-29 |
2010-07-01 |
Tenaris Connections Ag |
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MX2007004600A
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2007-04-17 |
2008-12-01 |
Tubos De Acero De Mexico S A |
Un tubo sin costura para la aplicación como secciones verticales de work-over.
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EP2006589B1
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2007-06-22 |
2011-08-31 |
Tenaris Connections Aktiengesellschaft |
Threaded joint with energizable seal
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DE602007011046D1
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2007-06-27 |
2011-01-20 |
Tenaris Connections Ag |
Gewindeverbindung mit unter Druck setzbarer Dichtung
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2007-07-06 |
2011-01-04 |
Tenaris Connections Limited |
Steels for sour service environments
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EP2017507B1
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2007-07-16 |
2016-06-01 |
Tenaris Connections Limited |
Threaded joint with resilient seal ring
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DE602007008890D1
(de)
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2007-08-24 |
2010-10-14 |
Tenaris Connections Ag |
Verfahren zur Erhöhung der Ermüdungsbeständigkeit einer Schraubverbindung
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DE602007013892D1
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2007-08-24 |
2011-05-26 |
Tenaris Connections Ag |
Gewindeverbindungsstück mit hoher Radiallast und unterschiedlich behandelten Oberflächen
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WO2009065432A1
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2007-11-19 |
2009-05-28 |
Tenaris Connections Ag |
High strength bainitic steel for octg applications
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ATE471433T1
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2008-02-29 |
2010-07-15 |
Tenaris Connections Ag |
Gewindeverbindungsstück mit verbesserten elastischen dichtungsringen
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US8221562B2
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2008-11-25 |
2012-07-17 |
Maverick Tube, Llc |
Compact strip or thin slab processing of boron/titanium steels
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EP2243920A1
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2009-04-22 |
2010-10-27 |
Tenaris Connections Aktiengesellschaft |
Threaded joint for tubes, pipes and the like
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EP2325435B2
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2009-11-24 |
2020-09-30 |
Tenaris Connections B.V. |
Threaded joint sealed to [ultra high] internal and external pressures
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EP2372208B1
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2010-03-25 |
2013-05-29 |
Tenaris Connections Limited |
Threaded joint with elastomeric seal flange
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EP2372211B1
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2010-03-26 |
2015-06-03 |
Tenaris Connections Ltd. |
Thin-walled pipe joint and method to couple a first pipe to a second pipe
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2011-01-25 |
2015-10-20 |
Tenaris Coiled Tubes, Llc |
Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment
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IT1403689B1
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2011-02-07 |
2013-10-31 |
Dalmine Spa |
Tubi in acciaio ad alta resistenza con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensioni da solfuri.
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2011-02-07 |
2013-10-31 |
Dalmine Spa |
Tubi in acciaio con pareti spesse con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensione da solfuri.
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2011-02-18 |
2014-01-28 |
Siderca S.A.I.C. |
High strength steel having good toughness
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2011-02-18 |
2013-04-09 |
Siderca S.A.I.C. |
Method of making ultra high strength steel having good toughness
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2012-04-10 |
2016-05-17 |
Tenaris Connections Limited |
Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same
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CN104903538B
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2013-01-11 |
2018-05-08 |
特纳瑞斯连接有限公司 |
抗磨损钻杆工具接头和相应的钻杆
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2013-03-11 |
2015-11-17 |
Tenaris Connections Limited |
Low-carbon chromium steel having reduced vanadium and high corrosion resistance, and methods of manufacturing
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2013-03-14 |
2017-10-31 |
Tenaris Coiled Tubes, Llc |
High performance material for coiled tubing applications and the method of producing the same
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2013-04-08 |
2014-10-15 |
DALMINE S.p.A. |
High strength medium wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
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2013-04-08 |
2014-10-15 |
DALMINE S.p.A. |
Heavy wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
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2013-06-25 |
2021-08-31 |
Tenaris Connections B.V. |
High-chromium heat-resistant steel
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2015-04-14 |
2016-10-20 |
Tenaris Connections Limited |
Ultra-fine grained steels having corrosion-fatigue resistance
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2016-08-12 |
2021-09-21 |
Tenaris Coiled Tubes, Llc |
Method and system for manufacturing coiled tubing
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2017-01-17 |
2019-10-08 |
Forum Us, Inc. |
Method of manufacturing a coiled tubing string
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2021-05-28 |
2022-12-30 |
广西柳钢华创科技研发有限公司 |
高速棒材生产的hrb500e螺纹钢筋
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