for tubular bodies or pipes

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CPC
C21D9/08

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CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS C21D9/00Heat treatment

Current Industry

C21D9/08for tubular bodies or pipes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Steel material for welding steel pipe having excellent low-temperat...
- Patent number 12,188,105
- Issue date Jan 7, 2025
- POSCO Co., Ltd
- Hwan-Gyo Jung
- C21 - METALLURGY OF IRON
Information Patent Grant
Stabilizer and method for manufacturing stabilizer
- Patent number 12,179,543
- Issue date Dec 31, 2024
- NHK Spring Co., Ltd.
- Masato Inaba
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric-resistance-welded steel pipe for producing hollow stabiliz...
- Patent number 12,172,487
- Issue date Dec 24, 2024
- JFE Steel Corporation
- Masatoshi Aratani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hot-rolled steel sheet for electric resistance welded steel pipe an...
- Patent number 12,139,780
- Issue date Nov 12, 2024
- JFE Steel Corporation
- Akihide Matsumoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Hollow spring and method of manufacturing the same
- Patent number 12,135,068
- Issue date Nov 5, 2024
- Mitsubishi Steel Mfg. Co., Ltd.
- Hironobu Sayama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Seamless steel pipe having desirable sulfuric acid dew-point corros...
- Patent number 12,129,954
- Issue date Oct 29, 2024
- JFE Steel Corporation
- Hiroyuki Takai
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel and a method of manufacturing thereof
- Patent number 12,123,081
- Issue date Oct 22, 2024
- Arcelormittal
- Lode Duprez
- C21 - METALLURGY OF IRON
Information Patent Grant
Intravenous therapy system for blood vessel access via a curved nee...
- Patent number 12,109,374
- Issue date Oct 8, 2024
- Becton, Dickinson and Company
- S. Ray Isaacson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Stainless steel seamless pipe
- Patent number 12,098,438
- Issue date Sep 24, 2024
- JFE Steel Corporation
- Yuichi Kamo
- C21 - METALLURGY OF IRON
Information Patent Grant
Tube and a method of manufacturing a tube
- Patent number 12,053,811
- Issue date Aug 6, 2024
- Kanthal AB
- Krister Wickman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Duplex stainless steel tube and welded joint
- Patent number 12,054,818
- Issue date Aug 6, 2024
- Nippon Steel Corporation
- Hiroyuki Hirata
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel material and method for producing steel material
- Patent number 12,054,798
- Issue date Aug 6, 2024
- Nippon Steel Corporation
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Grant
Seamless steel pipe and method for producing the same
- Patent number 12,043,885
- Issue date Jul 23, 2024
- Nippon Steel Corporation
- Daisuke Matsuo
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel material for line pipes, method for producing the same, and m...
- Patent number 12,037,666
- Issue date Jul 16, 2024
- JFE Steel Corporation
- Kyono Yasuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Electric resistance welded steel pipe or tube
- Patent number 12,037,655
- Issue date Jul 16, 2024
- JFE Steel Corporation
- Masatoshi Aratani
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing torsion beam
- Patent number 12,036,600
- Issue date Jul 16, 2024
- POSCO Co., Ltd
- Hong-Woo Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steel pipe for fuel injection pipe and fuel injection pipe using th...
- Patent number 12,000,364
- Issue date Jun 4, 2024
- USUI CO., LTD.
- Tatsuya Masuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of cladding a pressure vessel
- Patent number 12,000,537
- Issue date Jun 4, 2024
- ROLLS-ROYCE SMR LIMITED
- Daniel Clark
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Superalloy seamless tube and preparation method thereof
- Patent number 12,000,032
- Issue date Jun 4, 2024
- Jiangsu University
- Rui Luo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rail vehicle axle
- Patent number 12,000,028
- Issue date Jun 4, 2024
- Nippon Steel Corporation
- Taizo Makino
- C21 - METALLURGY OF IRON
Information Patent Grant
Lumen stent and preform thereof, and methods for preparing the lume...
- Patent number 11,969,368
- Issue date Apr 30, 2024
- Biotyx Medical (Shenzhen) Co., Ltd.
- Deyuan Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Martensitic stainless seamless steel pipe
- Patent number 11,965,232
- Issue date Apr 23, 2024
- Nippon Steel Corporation
- Kyohei Kanki
- C21 - METALLURGY OF IRON
Information Patent Grant
Austenitic stainless steel having excellent pipe-expandability and...
- Patent number 11,959,159
- Issue date Apr 16, 2024
- POSCO Co., Ltd
- Sang Seok Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of forming and heat treating coiled tubing
- Patent number 11,952,648
- Issue date Apr 9, 2024
- Tenaris Coiled Tubes, LLC
- Martin Valdez
- C21 - METALLURGY OF IRON
Information Patent Grant
Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...
- Patent number 11,939,639
- Issue date Mar 26, 2024
- POSCO Co., Ltd
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Grant
Seamless steel pipe suitable for use in sour environment
- Patent number 11,905,580
- Issue date Feb 20, 2024
- Nippon Steel Corporation
- Hiroki Kamitani
- C21 - METALLURGY OF IRON
Information Patent Grant
Seamless steel pipe heat-treatment-finishing-treatment continuous f...
- Patent number 11,898,216
- Issue date Feb 13, 2024
- Nippon Steel Corporation
- Hiroki Kamitani
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing a profiled component, and profiled component
- Patent number 11,873,537
- Issue date Jan 16, 2024
- Bayerische Motoren Werke Aktiengesellschaft
- Thomas Hoesl
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing cold-forged, extruded aluminum alloy tube
- Patent number 11,872,616
- Issue date Jan 16, 2024
- Jin Yuncheng Enterprise Co., Ltd.
- Kun-Tzu Lin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cooling device for seamless steel pipes
- Patent number 11,873,538
- Issue date Jan 16, 2024
- SMS group GMBH
- Torsten Müller
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
STEEL PIPE FOR OIL CYLINDER AND MANUFACTURING METHOD THEREFOR
- Publication number 20250012382
- Publication date Jan 9, 2025
- Baoshan Iron & Steel Co., Ltd
- Wen Sun
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF MANUFACTURING HOT ROLLED STEEL
- Publication number 20250011906
- Publication date Jan 9, 2025
- ARCELORMITTAL
- Lode DUPREZ
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELLS
- Publication number 20250003042
- Publication date Jan 2, 2025
- JFE STEEL CORPORATION
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
Information Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR PRODUCING...
- Publication number 20240417835
- Publication date Dec 19, 2024
- NIPPON STEEL CORPORATION
- Kyohei KANKI
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STAINLESS SEAMLESS STEEL PIPE FOR OIL WELLS AND METHO...
- Publication number 20240410499
- Publication date Dec 12, 2024
- JFE STEEL CORPORATION
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
Information Patent Application
DUPLEX STAINLESS STEEL MATERIAL
- Publication number 20240401177
- Publication date Dec 5, 2024
- NIPPON STEEL CORPORATION
- Daisuke MATSUO
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL PIPE FOR LINE PIPE WITH EXCELLENT LOW TEMPERATURE TOUGHNESS O...
- Publication number 20240390967
- Publication date Nov 28, 2024
- NEXTEEL Co., Ltd.
- Yi-Yong KIM
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CORROSION-RESISTANT AND HIGH TOUGHNESS OIL CASING AND METHOD FOR MA...
- Publication number 20240352564
- Publication date Oct 24, 2024
- DALIPAL PIPE COMPANY
- Kui WANG
- C21 - METALLURGY OF IRON
Information Patent Application
TUBULAR STABILIZER BAR FOR A VEHICLE CHASSIS, AND VEHICLE CHASSIS C...
- Publication number 20240270042
- Publication date Aug 15, 2024
- THYSSENKRUPP FEDERN UND STABILISATOREN GMBH
- Karsten WESTERHOFF
- B60 - VEHICLES IN GENERAL
Information Patent Application
Lumen Stent and Preform thereof, and Methods for Preparing the Lume...
- Publication number 20240261119
- Publication date Aug 8, 2024
- Biotyx Medical (Shenzhen) Co., Ltd.
- Deyuan Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CONTINUOUS HEATING DEVICE AND CONTINUOUS HEATING METHOD
- Publication number 20240263264
- Publication date Aug 8, 2024
- Metal Industries Research & Development Centre
- Yi-San CHANG
- C21 - METALLURGY OF IRON
Information Patent Application
NANOCRYSTALLINE SOFT MAGNETIC ALLOY WITH HIGH MAGNETIC INDUCTION AN...
- Publication number 20240258001
- Publication date Aug 1, 2024
- Ningbo Institute of Materials Technology & Engineering Chineering Chinese Aca...
- JIAWEI LI
- C21 - METALLURGY OF IRON
Information Patent Application
AUSTENITIC STAINLESS STEEL AND TUBE
- Publication number 20240254609
- Publication date Aug 1, 2024
- NIPPON STEEL CORPORATION
- Masahiro SETO
- C21 - METALLURGY OF IRON
Information Patent Application
SEAMLESS STEEL TUBE RESISTANT TO CARBON DIOXIDE CORROSION AND MANUF...
- Publication number 20240247350
- Publication date Jul 25, 2024
- Baoshan Iron & Steel Co., Ltd
- Suzhen Luo
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF FORMING AND HEAT TREATING COILED TUBING
- Publication number 20240247351
- Publication date Jul 25, 2024
- TENARIS COILED TUBES, LLC
- Martin Valdez
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH AND HIGH-TOUGHNESS BAINITE GEOLOGICAL DRILLING PIPE A...
- Publication number 20240229979
- Publication date Jul 11, 2024
- Baoshan Iron & Steel Co., Ltd
- Wen SUN
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR PRODUCING THE...
- Publication number 20240229200
- Publication date Jul 11, 2024
- JFE STEEL CORPORATION
- Akihide MATSUMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRIC RESISTANCE WELDED STEEL PIPE FOR MECHANICAL STRUCTURAL COM...
- Publication number 20240218492
- Publication date Jul 4, 2024
- NIPPON STEEL CORPORATION
- Yusaku TOMIO
- C21 - METALLURGY OF IRON
Information Patent Application
ULTRA-HIGH-STRENGTH HOT-ROLLED STEEL SHEET, STEEL PIPE, MEMBER, AND...
- Publication number 20240209467
- Publication date Jun 27, 2024
- POSCO Co., Ltd
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT-RESISTANT STEEL FOR STEEL PIPES AND CASTINGS
- Publication number 20240200161
- Publication date Jun 20, 2024
- Shanghai Electric Power Generation Equipment Co., Ltd.
- Linbo MEI
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20240191331
- Publication date Jun 13, 2024
- JFE STEEL CORPORATION
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-STRETCH-REDUCED ELECTRIC RESISTANCE WELDED PIPE
- Publication number 20240141451
- Publication date May 2, 2024
- Nippon Steel Corporation
- Kenzo TASHIMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF
- Publication number 20240141466
- Publication date May 2, 2024
- Sandvik Intellectual Property AB
- Daniel GULLBERG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
HIGH-STRENGTH AND HIGH-TOUGHNESS BAINITE GEOLOGICAL DRILLING PIPE A...
- Publication number 20240133490
- Publication date Apr 25, 2024
- Baoshan Iron & Steel Co., Ltd
- Wen SUN
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20240124949
- Publication date Apr 18, 2024
- JFE STEEL CORPORATION
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
Information Patent Application
400 MPa CORROSION-RESISTANT STEEL BAR AND PRODUCTION METHOD THEREOF
- Publication number 20240068064
- Publication date Feb 29, 2024
- INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
- Han MA
- C21 - METALLURGY OF IRON
Information Patent Application
DUPLEX STAINLESS STEEL AND USE THEREOF
- Publication number 20240035135
- Publication date Feb 1, 2024
- Stamicarbon B.V.
- Daniel GULLBERG
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR MANUFACTURING...
- Publication number 20240026999
- Publication date Jan 25, 2024
- JFE STEEL CORPORATION
- Akihide Matsumoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STAINLESS STEEL BAR MATERIAL AND ELECTROMAGNETIC COMPONENT
- Publication number 20240011137
- Publication date Jan 11, 2024
- NIPPON STEEL STAINLESS STEEL CORPORATION
- Shota YAMASAKI
- C21 - METALLURGY OF IRON
Information Patent Application
Thermal Processing Method for Niobium-Containing High-Alloy Austeni...
- Publication number 20240002967
- Publication date Jan 4, 2024
- Shanxi Taigang Stainless Steel Co., Ltd.
- Xudong Fang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

for tubular bodies or pipes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Steel material for welding steel pipe having excellent low-temperat...

Stabilizer and method for manufacturing stabilizer

Electric-resistance-welded steel pipe for producing hollow stabiliz...

Hot-rolled steel sheet for electric resistance welded steel pipe an...

Hollow spring and method of manufacturing the same

Seamless steel pipe having desirable sulfuric acid dew-point corros...

Hot rolled steel and a method of manufacturing thereof

Intravenous therapy system for blood vessel access via a curved nee...

Stainless steel seamless pipe

Tube and a method of manufacturing a tube

Duplex stainless steel tube and welded joint

Steel material and method for producing steel material

Seamless steel pipe and method for producing the same

Steel material for line pipes, method for producing the same, and m...

Electric resistance welded steel pipe or tube

Method for manufacturing torsion beam

Steel pipe for fuel injection pipe and fuel injection pipe using th...

Method of cladding a pressure vessel

Superalloy seamless tube and preparation method thereof

Rail vehicle axle

Lumen stent and preform thereof, and methods for preparing the lume...

Martensitic stainless seamless steel pipe

Austenitic stainless steel having excellent pipe-expandability and...

Method of forming and heat treating coiled tubing

Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...

Seamless steel pipe suitable for use in sour environment

Seamless steel pipe heat-treatment-finishing-treatment continuous f...

Method for producing a profiled component, and profiled component

Method for manufacturing cold-forged, extruded aluminum alloy tube

Cooling device for seamless steel pipes

Patents Applicationslast 30 patents

STEEL PIPE FOR OIL CYLINDER AND MANUFACTURING METHOD THEREFOR

METHOD OF MANUFACTURING HOT ROLLED STEEL

HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELLS

MARTENSITIC STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR PRODUCING...

HIGH-STRENGTH STAINLESS SEAMLESS STEEL PIPE FOR OIL WELLS AND METHO...

DUPLEX STAINLESS STEEL MATERIAL

STEEL PIPE FOR LINE PIPE WITH EXCELLENT LOW TEMPERATURE TOUGHNESS O...

CORROSION-RESISTANT AND HIGH TOUGHNESS OIL CASING AND METHOD FOR MA...

TUBULAR STABILIZER BAR FOR A VEHICLE CHASSIS, AND VEHICLE CHASSIS C...

Lumen Stent and Preform thereof, and Methods for Preparing the Lume...

CONTINUOUS HEATING DEVICE AND CONTINUOUS HEATING METHOD

NANOCRYSTALLINE SOFT MAGNETIC ALLOY WITH HIGH MAGNETIC INDUCTION AN...

AUSTENITIC STAINLESS STEEL AND TUBE

SEAMLESS STEEL TUBE RESISTANT TO CARBON DIOXIDE CORROSION AND MANUF...

METHOD OF FORMING AND HEAT TREATING COILED TUBING

HIGH-STRENGTH AND HIGH-TOUGHNESS BAINITE GEOLOGICAL DRILLING PIPE A...

ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR PRODUCING THE...

ELECTRIC RESISTANCE WELDED STEEL PIPE FOR MECHANICAL STRUCTURAL COM...

ULTRA-HIGH-STRENGTH HOT-ROLLED STEEL SHEET, STEEL PIPE, MEMBER, AND...

HEAT-RESISTANT STEEL FOR STEEL PIPES AND CASTINGS

STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING THE SAME

HOT-STRETCH-REDUCED ELECTRIC RESISTANCE WELDED PIPE

DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF

HIGH-STRENGTH AND HIGH-TOUGHNESS BAINITE GEOLOGICAL DRILLING PIPE A...

HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR...

400 MPa CORROSION-RESISTANT STEEL BAR AND PRODUCTION METHOD THEREOF

DUPLEX STAINLESS STEEL AND USE THEREOF

ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR MANUFACTURING...

STAINLESS STEEL BAR MATERIAL AND ELECTROMAGNETIC COMPONENT

Thermal Processing Method for Niobium-Containing High-Alloy Austeni...