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2003-09-05 |
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2004-06-17 |
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Threaded joint with pressurizable seal
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2007-07-16 |
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Threaded joint with resilient seal ring
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2007-08-24 |
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A high-tightness threaded joint
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Threaded joint for tubes, pipes and the like
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Threaded joint sealed to [ultra high] internal and external pressures
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Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment
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Fire protection sprinkler assembly
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2013-01-11 |
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2013-03-14 |
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High performance material for coiled tubing applications and the method of producing the same
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High strength medium wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
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高クロム耐熱鋼
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2013-11-22 |
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2016-08-12 |
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