for screws; for bolts

Industry

CPC
C21D9/0093

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Parent Industries

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

C21D9/0093for screws; for bolts

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for producing a threaded nut of a threaded drive, in particu...
- Patent number 12,007,003
- Issue date Jun 11, 2024
- Schaeffler Technologies AG & Co. KG
- Mario Kreutzer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Bolt and fastened structure
- Patent number 11,708,622
- Issue date Jul 25, 2023
- Nissan Motor Co., Ltd.
- Takahiro Hamada
- C21 - METALLURGY OF IRON
Information Patent Grant
Wire rod for cold heading, processed product using same, and manufa...
- Patent number 11,441,202
- Issue date Sep 13, 2022
- Posco
- Jae Seung Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
Bolt
- Patent number 11,333,189
- Issue date May 17, 2022
- Nissan Motor Co., Ltd.
- Takahiro Hamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of heat treating a fastening member
- Patent number 11,028,457
- Issue date Jun 8, 2021
- Caterpillar Inc.
- Tianjun Liu
- C21 - METALLURGY OF IRON
Information Patent Grant
Corrosion resistant yieldable bolt
- Patent number 10,941,657
- Issue date Mar 9, 2021
- FCI Holdings Delaware, Inc.
- Lumin Ma
- E21 - EARTH DRILLING MINING
Information Patent Grant
Steel for high-strength bolt, and high-strength bolt
- Patent number 10,913,993
- Issue date Feb 9, 2021
- Nissan Motor Co., Ltd.
- Takahiro Hamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Connecting rod for variable compression internal combustion engine
- Patent number 10,711,691
- Issue date Jul 14, 2020
- ECO Holding 1 GmbH
- Alexander Diehm
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Ferritic stainless steel and heat-resistant member
- Patent number 10,689,723
- Issue date Jun 23, 2020
- Daido Steel Co., Ltd.
- Yoshihiko Koyanagi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Bolt
- Patent number 10,669,604
- Issue date Jun 2, 2020
- Nippon Steel Corporation
- Yutaka Neishi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength screw including an unhardened thread end
- Patent number 10,662,993
- Issue date May 26, 2020
- KAMAX Holding GmbH & Co. KG
- Frank Wagner
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-strength screw including an unhardening layer
- Patent number 10,598,207
- Issue date Mar 24, 2020
- KAMAX Holding GmbH & Co. KG
- Gunther Hartmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-strength bolt
- Patent number 10,487,372
- Issue date Nov 26, 2019
- Nippon Steel Corporation
- Yutaka Neishi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hollow metal screw and method of making
- Patent number 10,406,590
- Issue date Sep 10, 2019
- Physical Systems, Inc.
- Charles G. Hutter
- C21 - METALLURGY OF IRON
Information Patent Grant
Fasteners
- Patent number 10,316,881
- Issue date Jun 11, 2019
- INTEGRITY ENGINEERING SOLUTIONS PTY LTD
- Ian Warren Brown
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of machining screw
- Patent number 10,173,257
- Issue date Jan 8, 2019
- Nittan Valve Co., Ltd.
- Michihiro Kameda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hollow metal screw and method of making
- Patent number 10,161,434
- Issue date Dec 25, 2018
- Physical Systems, Inc.
- Charles G. Hutter
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel for high-strength bolts which has excellent delayed fracture...
- Patent number 10,060,015
- Issue date Aug 28, 2018
- Kobe Steel, Ltd.
- Yosuke Matsumoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire rod having high strength and ductility and method for pr...
- Patent number 9,896,750
- Issue date Feb 20, 2018
- Posco
- You-Hwan Lee
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Austenitic heat-resistant alloy and method of manufacturing heat-re...
- Patent number 9,856,541
- Issue date Jan 2, 2018
- Hyundai Motor Company
- Bo-Kyung Sa
- C21 - METALLURGY OF IRON
Information Patent Grant
Boron-added high strength steel for bolt and high strength bolt hav...
- Patent number 9,845,519
- Issue date Dec 19, 2017
- Kobe Steel, Ltd.
- Yosuke Matsumoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for bolt, bolt, and manufacturing processes therefor
- Patent number 9,835,194
- Issue date Dec 5, 2017
- Kobe Steel, Ltd.
- Masamichi Chiba
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hollow metal screw and method of making
- Patent number 9,803,676
- Issue date Oct 31, 2017
- Physical Systems, Inc.
- Charles G. Hutter
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel for bolt use, bolt, and method for manufacturing bolt
- Patent number 9,695,488
- Issue date Jul 4, 2017
- Kobe Steel, Ltd.
- Yosuke Matsumoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Hollow metal screw and method of making
- Patent number 9,689,415
- Issue date Jun 27, 2017
- Physical Systems, Inc.
- Charles G. Hutter
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Compositions comprising nickel-titanium, methods manufacture thereo...
- Patent number 9,393,619
- Issue date Jul 19, 2016
- The United States of America, as represented by the Administrator of the Nati...
- Glenn N. Glennon
- C21 - METALLURGY OF IRON
Information Patent Grant
Screw made of low-alloy carbon steel, and method for producing such...
- Patent number 9,340,848
- Issue date May 17, 2016
- EJOT GMBH & CO. KG
- Wilfried Pinzl
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat treatment method of pin for endless track
- Patent number 9,303,297
- Issue date Apr 5, 2016
- Topy Kogyo Kabushiki Kaisha
- Weidong Xue
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire with high strength for cold forging to improve service l...
- Patent number 9,206,489
- Issue date Dec 8, 2015
- Samhwa Steel Co., Ltd.
- Soon-Tae Ahn
- C21 - METALLURGY OF IRON
Information Patent Grant
Ultra high strength screw having a high yield ratio
- Patent number 9,145,910
- Issue date Sep 29, 2015
- KAMAX Holding GmbH & Co. KG
- Horst Dieterle
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
STEEL FOR BOLTS, AND MANUFACTURING METHOD THEREFOR
- Publication number 20240209469
- Publication date Jun 27, 2024
- Baoshan Iron & Steel Co., Ltd
- Zan Yao
- C21 - METALLURGY OF IRON
Information Patent Application
Device and Method for Water Spray Quenching
- Publication number 20230250500
- Publication date Aug 10, 2023
- ALD Vacuum Technologies GmbH
- Volker HEUER
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING A SCREW, AND SCREW
- Publication number 20230136145
- Publication date May 4, 2023
- EJOT SE & Co. KG
- Ralph J. HELLMIG
- C21 - METALLURGY OF IRON
Information Patent Application
ALUMINUM ALLOY, ALUMINUM ALLOY WIRE, ALUMINUM ALLOY MEMEBER, AND BOLT
- Publication number 20230037483
- Publication date Feb 9, 2023
- Sumitomo Electric Industries, Ltd.
- Ryota MATSUGI
- C21 - METALLURGY OF IRON
Information Patent Application
Method for producing a threaded nut of a threaded drive, in particu...
- Publication number 20220275854
- Publication date Sep 1, 2022
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Mario Kreutzer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FASTENING MEANS FOR A TURBINE- OR VALVE HOUSING
- Publication number 20220195892
- Publication date Jun 23, 2022
- Siemens Aktiengesellschaft
- Johanna Marie Haan
- C21 - METALLURGY OF IRON
Information Patent Application
ALLOYED STEEL AND QUENCHED AND TEMPERED STEEL
- Publication number 20210371947
- Publication date Dec 2, 2021
- SIDENOR INVESTIGACION Y DESARROLLO, S.A.
- Diego Herrero Villalibre
- C21 - METALLURGY OF IRON
Information Patent Application
WIRE ROD FOR COLD HEADING, PROCESSED PRODUCT USING SAME, AND MANUFA...
- Publication number 20210079491
- Publication date Mar 18, 2021
- POSCO
- Jae Seung Lee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BIMETALLIC SCREW WITH MARTENSITICALLY HARDENABLE STEEL
- Publication number 20210054866
- Publication date Feb 25, 2021
- HILTI AKTIENGESELLSCHAFT
- Frederic POL
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
BOLT
- Publication number 20210040978
- Publication date Feb 11, 2021
- NISSAN MOTOR CO., LTD.
- Takahiro HAMADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BOLT AND FASTENED STRUCTURE
- Publication number 20210017618
- Publication date Jan 21, 2021
- NISSAN MOTOR CO., LTD.
- Takahiro HAMADA
- C21 - METALLURGY OF IRON
Information Patent Application
MARTENSITICALLY HARDENABLE STEEL AND USE THEREOF, IN PARTICULAR FOR...
- Publication number 20200063231
- Publication date Feb 27, 2020
- HILTI AKTIENGESELLSCHAFT
- Roland SCHNEIDER
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF HEAT TREATING A FASTENING MEMBER
- Publication number 20190017141
- Publication date Jan 17, 2019
- Caterpillar Inc.
- Tianjun Liu
- C21 - METALLURGY OF IRON
Information Patent Application
BOLT
- Publication number 20190003000
- Publication date Jan 3, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yutaka NEISHI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
High-Strength Bolt
- Publication number 20180347004
- Publication date Dec 6, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yutaka Neishi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
High-Strength Screw Including an Unhardened Thread End
- Publication number 20180216652
- Publication date Aug 2, 2018
- Frank Wagner
- C21 - METALLURGY OF IRON
Information Patent Application
WIRE ROD FOR USE IN BOLTS THAT HAS EXCELLENT ACID PICKLING PROPERTI...
- Publication number 20180066344
- Publication date Mar 8, 2018
- Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.)
- Yosuke MATSUMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF MACHINING SCREW
- Publication number 20180050383
- Publication date Feb 22, 2018
- NITTAN VALVE CO., LTD.
- Michihiro KAMEDA
- C21 - METALLURGY OF IRON
Information Patent Application
High-Strength Screw Including an Unhardening Layer
- Publication number 20180031023
- Publication date Feb 1, 2018
- Gunther Hartmann
- C21 - METALLURGY OF IRON
Information Patent Application
Corrosion Resistant Yieldable Bolt
- Publication number 20180016900
- Publication date Jan 18, 2018
- FCI HOLDINGS DELAWARE, INC.
- Lumin Ma
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL FOR HIGH-STRENGTH BOLT, AND HIGH-STRENGTH BOLT
- Publication number 20170283921
- Publication date Oct 5, 2017
- NISSAN MOTOR CO., LTD.
- Takahiro HAMADA
- C21 - METALLURGY OF IRON
Information Patent Application
FASTENERS
- Publication number 20170218999
- Publication date Aug 3, 2017
- INTEGRITY ENGINEERING SOLUTIONS PTY LTD
- Ian Warren Brown
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL FOR BOLTS, AND BOLT
- Publication number 20170219000
- Publication date Aug 3, 2017
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Yosuke MATSUMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
SCREW MADE OF LOW-ALLOY CARBON STEEL AND METHOD FOR PRODUCING SUCH...
- Publication number 20160245326
- Publication date Aug 25, 2016
- EJOT GMBH & CO. KG
- Wilfried Pinzl
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL FOR HIGH-STRENGTH BOLTS WHICH HAS EXCELLENT DELAYED FRACTURE...
- Publication number 20160230260
- Publication date Aug 11, 2016
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Yosuke MATSUMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
HOLLOW METAL SCREW AND METHOD OF MAKING
- Publication number 20160208841
- Publication date Jul 21, 2016
- PHYSICAL SYSTEMS, INC.
- Charles G. Hutter
- C21 - METALLURGY OF IRON
Information Patent Application
HOLLOW METAL SCREW AND METHOD OF MAKING
- Publication number 20160003281
- Publication date Jan 7, 2016
- PHYSICAL SYSTEMS, INC.
- Charles G. Hutter
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR MANUFACTURING A FIXING DEVICE
- Publication number 20150376764
- Publication date Dec 31, 2015
- EXCALIBUR SCREWBOLTS LIMITED
- Charles Bickford
- C21 - METALLURGY OF IRON
Information Patent Application
AUSTENITIC HEAT-RESISTANT ALLOY AND METHOD OF MANUFACTURING HEAT-RE...
- Publication number 20150259763
- Publication date Sep 17, 2015
- Hyundai Motor Company
- Bo-Kyung Sa
- C21 - METALLURGY OF IRON
Information Patent Application
BORON-ADDED HIGH STRENGTH STEEL FOR BOLT AND HIGH STRENGTH BOLT HAV...
- Publication number 20150053315
- Publication date Feb 26, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Yosuke Matsumoto
- C21 - METALLURGY OF IRON

for screws; for bolts

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing a threaded nut of a threaded drive, in particu...

Bolt and fastened structure

Wire rod for cold heading, processed product using same, and manufa...

Bolt

Method of heat treating a fastening member

Corrosion resistant yieldable bolt

Steel for high-strength bolt, and high-strength bolt

Connecting rod for variable compression internal combustion engine

Ferritic stainless steel and heat-resistant member

Bolt

High-strength screw including an unhardened thread end

High-strength screw including an unhardening layer

High-strength bolt

Hollow metal screw and method of making

Fasteners

Method of machining screw

Hollow metal screw and method of making

Steel for high-strength bolts which has excellent delayed fracture...

Steel wire rod having high strength and ductility and method for pr...

Austenitic heat-resistant alloy and method of manufacturing heat-re...

Boron-added high strength steel for bolt and high strength bolt hav...

Steel wire for bolt, bolt, and manufacturing processes therefor

Hollow metal screw and method of making

Steel for bolt use, bolt, and method for manufacturing bolt

Hollow metal screw and method of making

Compositions comprising nickel-titanium, methods manufacture thereo...

Screw made of low-alloy carbon steel, and method for producing such...

Heat treatment method of pin for endless track

Steel wire with high strength for cold forging to improve service l...

Ultra high strength screw having a high yield ratio

Patents Applicationslast 30 patents

STEEL FOR BOLTS, AND MANUFACTURING METHOD THEREFOR

Device and Method for Water Spray Quenching

METHOD FOR PRODUCING A SCREW, AND SCREW

ALUMINUM ALLOY, ALUMINUM ALLOY WIRE, ALUMINUM ALLOY MEMEBER, AND BOLT

Method for producing a threaded nut of a threaded drive, in particu...

FASTENING MEANS FOR A TURBINE- OR VALVE HOUSING

ALLOYED STEEL AND QUENCHED AND TEMPERED STEEL

WIRE ROD FOR COLD HEADING, PROCESSED PRODUCT USING SAME, AND MANUFA...

BIMETALLIC SCREW WITH MARTENSITICALLY HARDENABLE STEEL

BOLT

BOLT AND FASTENED STRUCTURE

MARTENSITICALLY HARDENABLE STEEL AND USE THEREOF, IN PARTICULAR FOR...

METHOD OF HEAT TREATING A FASTENING MEMBER

BOLT

High-Strength Bolt

High-Strength Screw Including an Unhardened Thread End

WIRE ROD FOR USE IN BOLTS THAT HAS EXCELLENT ACID PICKLING PROPERTI...

METHOD OF MACHINING SCREW

High-Strength Screw Including an Unhardening Layer

Corrosion Resistant Yieldable Bolt

STEEL FOR HIGH-STRENGTH BOLT, AND HIGH-STRENGTH BOLT

FASTENERS

STEEL FOR BOLTS, AND BOLT

SCREW MADE OF LOW-ALLOY CARBON STEEL AND METHOD FOR PRODUCING SUCH...

STEEL FOR HIGH-STRENGTH BOLTS WHICH HAS EXCELLENT DELAYED FRACTURE...

HOLLOW METAL SCREW AND METHOD OF MAKING

HOLLOW METAL SCREW AND METHOD OF MAKING

PROCESS FOR MANUFACTURING A FIXING DEVICE

AUSTENITIC HEAT-RESISTANT ALLOY AND METHOD OF MANUFACTURING HEAT-RE...

BORON-ADDED HIGH STRENGTH STEEL FOR BOLT AND HIGH STRENGTH BOLT HAV...