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2021
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Invention
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Steel composition, wrought article and manufacturing method of a seamless pressure vessel for com... |
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2015
|
Invention
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Advanced fe-5cr-x alloy.
A tubular article can be formed from high temperature steam oxidation r... |
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2014
|
Invention
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Heavy wall quenched and tempered seamless steel pipes and related method for manufacturing said s... |
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|
Invention
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High strength medium wall quenched and tempered seamless steel pipes and related method for manuf... |
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2013
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G/S
|
Unwrought and partly wrought common metals and their alloys; anchors, anvils, bells, rolled and c... |
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2012
|
G/S
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Slag [stone] and slag [building material]. |
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|
Invention
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Heavy wall steel pipes with excellent toughness at low temperature and sulfide stress corrosion c... |
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|
Invention
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High strength steel pipes with excellent toughness at low temperature and sulfide stress corrosio... |
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2010
|
Invention
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Method for making lined pipe bends. A method for making lined bends, wherein the smaller thinner ... |
|
|
Invention
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Nickel-based superalloy and manufacturing process thereof. A nickel-based superalloy consisting i... |
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2009
|
G/S
|
Common metals and their alloys; metal building materials; transportable buildings of metal; mater... |
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2003
|
Invention
|
Pipe integral threaded joint. Pipe integral threaded joint formed by a male element (1) and a fem... |
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|
Invention
|
Seamless steel tube which is intended to be used as a guide pipe and production method thereof. T... |
|
2002
|
G/S
|
Métaux communs et leurs alliages; matériaux de construction
métalliques; constructions transport... |
|
2001
|
Invention
|
Method and device for obtaining shaped test-pieces of steel as required in tensile under corrosio... |
|
|
Invention
|
Threaded pipe joint. A threaded coupled connection for pipes comprises two pins (1', 1') with a t... |
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|
Invention
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Screw threaded joint for continuous-profile tubes. A flush-type integral threaded joint wit... |
|
|
Invention
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Screw threaded joint for continuous-profile tubes. A flush-type integral threaded joint with trun... |
|
|
Invention
|
Pipe integral threaded joint. Pipe integral threaded joint formed by a male element (1) and... |
|
|
Invention
|
Martensitic stainless steel and seamless steel pipes produced with it. Martensitic stainles... |
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|
Invention
|
Martensitic stainless steel and seamless steel pipes produced with it. Martensitic stainless stee... |
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|
Invention
|
Blast joint assembly. Blast joint assemblies are used for integral prevention of erosion of a pro... |
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1997
|
Invention
|
Martensitic stainless steel having high mechanical strength and corrosion resistance and relative... |
|
1995
|
Invention
|
Pushing machine moveable on rail for operating into the slag hole of steel smelting electric furn... |
|
1994
|
Invention
|
Pushing machine movable on rail for operating into the slag hole of steel smelting electric furna... |
|
1993
|
Invention
|
Highly mechanical and corrosion resistant stainless steel and relevant treatment process. A prope... |
|
1990
|
Invention
|
Hot-rolling process for seamless tubes with preliminary diameter reduction of the semifinished pr... |
|
1989
|
Invention
|
Hermetic metal pipe joint. Hermetic metal pipe joint, comprising a male element with at least one... |
|
|
Invention
|
Hermetic metal pipe joint. ABSTRACT OF THE DISCLOSURE: Hermetic metal pipe joint, comprisi... |
|
1987
|
Invention
|
Coupling for well casings. A joint for casing tubes comprises a pair of tubes each having an exte... |
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1983
|
Invention
|
Process for hot deoxidation of semifinished metal tubes. PROCESS FOR HOT DEOXIDATION OF S... |
|
1980
|
Invention
|
Device for handling steel bars and sections arranged in planar bundles. ABSTRACT OF THE D... |
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1975
|
Invention
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Anticorrosion zinc based coating material. A zinc based coating material useful for protecting fe... |
|
1955
|
G/S
|
Joints for metal tubular scaffolding and unassembled parts of such joints; flanged basis, ladder ... |
