for plain shafts

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CPC
C21D9/28

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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

C21D9/28for plain shafts

Industries

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Patents Grantslast 30 patents

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
Method for manufacturing magnetostrictive torque sensor shaft
- Patent number 11,866,798
- Issue date Jan 9, 2024
- PROTERIAL, LTD.
- Teruyuki Nakamura
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing magnetostrictive torque sensor shaft
- Patent number 11,732,318
- Issue date Aug 22, 2023
- NSK Ltd.
- Kota Fukuda
- B24 - GRINDING POLISHING
Information Patent Grant
Surface-hardened, rotationally symmetrical workpiece, hardening met...
- Patent number 11,697,858
- Issue date Jul 11, 2023
- WALZENGIESSEREI COSWIG GMBH
- Sven Baumgart
- C21 - METALLURGY OF IRON
Information Patent Grant
Carburized shaft part
- Patent number 11,421,727
- Issue date Aug 23, 2022
- Nippon Steel Corporation
- Tatsuya Iwasaki
- C21 - METALLURGY OF IRON
Information Patent Grant
Shaft part
- Patent number 11,345,982
- Issue date May 31, 2022
- Nippon Steel Corporation
- Tatsuya Iwasaki
- C21 - METALLURGY OF IRON
Information Patent Grant
Systems and methods for improving backward flow forming of shafts
- Patent number 11,185,905
- Issue date Nov 30, 2021
- Raytheon Technologies Corporation
- Agnieszka Wusatowska-Sarnek
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Oil-immersion quenching cooling precursor and oil-immersion quenchi...
- Patent number 11,174,528
- Issue date Nov 16, 2021
- BEIJING HUALI FINE CHEMICAL CO., LTD.
- Kejian Zhang
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for preventing cracking along the surface at the inner hole...
- Patent number 11,085,096
- Issue date Aug 10, 2021
- Shanghai Jiao Tong University
- Nailu Chen
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat treatment method of rod-shape workpiece
- Patent number 10,844,447
- Issue date Nov 24, 2020
- NTN Corporation
- Tsuneaki Hiraoka
- C21 - METALLURGY OF IRON
Information Patent Grant
High fatigue strength components requiring areas of high hardness
- Patent number 10,619,222
- Issue date Apr 14, 2020
- Metal Improvement Company, LLC
- Lloyd A. Hackel
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel, carburized steel component, and method for manufacturing car...
- Patent number 10,597,765
- Issue date Mar 24, 2020
- Nippon Steel Corporation
- Akira Shiga
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing shaft body
- Patent number 10,590,508
- Issue date Mar 17, 2020
- Mitsubishi Hitachi Power Systems, Ltd.
- Yuichi Hirakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Carburized component
- Patent number 10,428,414
- Issue date Oct 1, 2019
- Daido Steel Co., Ltd.
- Kyohei Nakayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Tooling for stress relieving a turbine wheel and shaft
- Patent number 10,422,016
- Issue date Sep 24, 2019
- Garrett Transportation I Inc.
- Angelo Prior
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rail vehicle axle
- Patent number 10,392,683
- Issue date Aug 27, 2019
- Nippon Steel Corporation
- Taizo Makino
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for manufacturing a spherical-cap-shaped recess in a drive s...
- Patent number 10,302,072
- Issue date May 28, 2019
- Robert Bosch GmbH
- Martin Wagner
- C21 - METALLURGY OF IRON
Information Patent Grant
Alloy for mud motor shaft applications with high strength, high imp...
- Patent number 10,280,492
- Issue date May 7, 2019
- CRS Holdings, Inc.
- Paul M. Novotny
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Steel for nitrocarburizing, nitrocarburized steel part, and produci...
- Patent number 10,196,720
- Issue date Feb 5, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Manabu Kubota
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing a planetary gear shaft having increased hardness
- Patent number 10,077,484
- Issue date Sep 18, 2018
- Schaeffler Technologies AG & Co. KG
- Joseph T. Griffin
- C21 - METALLURGY OF IRON
Information Patent Grant
Track pin with improved hardness profile and method of producing th...
- Patent number 10,053,168
- Issue date Aug 21, 2018
- Caterpillar Inc.
- Eric James Johannsen
- C21 - METALLURGY OF IRON
Information Patent Grant
Multi-chamber furnace for vacuum carburizing and quenching of gears...
- Patent number 9,989,311
- Issue date Jun 5, 2018
- Seco/Warwick S.A.
- Maciej Korecki
- C21 - METALLURGY OF IRON
Information Patent Grant
Rolled round steel material for steering rack bar, and steering rac...
- Patent number 9,976,206
- Issue date May 22, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Makoto Egashira
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for repairing break of universal connecting rod of universal...
- Patent number 9,957,583
- Issue date May 1, 2018
- Wuhan Kaiming High Tech Co., Ltd.
- Kaiming Zhang
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength low alloy steel and method of manufacturing
- Patent number 9,869,009
- Issue date Jan 16, 2018
- Gregory Vartanov
- C21 - METALLURGY OF IRON
Information Patent Grant
Rolled round steel material for steering rack bar and steering rack...
- Patent number 9,840,759
- Issue date Dec 12, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Sadanori Horikami
- C21 - METALLURGY OF IRON
Information Patent Grant
Nitrided steel member and manufacturing method thereof
- Patent number 9,783,879
- Issue date Oct 10, 2017
- Dowa Thermotech Co., Ltd.
- Yuichiro Shimizu
- C21 - METALLURGY OF IRON
Information Patent Grant
System and method for induction heating a helical rotor using a coil
- Patent number 9,661,691
- Issue date May 23, 2017
- SCHLUMBERGER LIFT SOLUTIONS CANADA LIMITED
- James Coulas
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing outer joint member of constant velocity uni...
- Patent number 9,605,715
- Issue date Mar 28, 2017
- NTN Corporation
- Masafumi Osugi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fabrication method for stepped forged material
- Patent number 9,574,250
- Issue date Feb 21, 2017
- Hitachi Metals, Ltd.
- Shinya Nagao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Alloy for Mud Motor Shaft Applications with High Strength, High Imp...
- Publication number 20240410041
- Publication date Dec 12, 2024
- CRS HOLDINGS, LLC
- Paul M. Novotny
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL FOR HIGH-TEMPERATURE CARBURIZED GEAR SHAFT AND MANUFACTURING...
- Publication number 20240360538
- Publication date Oct 31, 2024
- Baoshan Iron & Steel Co., Ltd
- Sixin Zhao
- C21 - METALLURGY OF IRON
Information Patent Application
SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...
- Publication number 20230349018
- Publication date Nov 2, 2023
- WALZENGIESSEREI COSWIG GMBH
- Sven BAUMGART
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MILL SHAFTS
- Publication number 20230279529
- Publication date Sep 7, 2023
- AÇOFORJA INDUSTRIA DE FORJADOS S/A
- Carlos Antonio COELHO
- C13 - SUGAR INDUSTRY
Information Patent Application
HEAT TREATMENT METHOD FOR TUBULAR SHAFT FOR DRIVE SHAFT HAVING BALL...
- Publication number 20230093813
- Publication date Mar 30, 2023
- ERAE AMS CO., LTD.
- Se Jung PARK
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR MANUFACTURING MAGNETOSTRICTIVE TORQUE SENSOR SHAFT
- Publication number 20220074010
- Publication date Mar 10, 2022
- NSK Ltd.
- Kota FUKUDA
- G01 - MEASURING TESTING
Information Patent Application
SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...
- Publication number 20210332453
- Publication date Oct 28, 2021
- WALZENGIESSEREI COSWIG GMBH
- Sven BAUMGART
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SHAFT PART
- Publication number 20210285078
- Publication date Sep 16, 2021
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuya IWASAKI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Alloy for Mud Motor Shaft Applications with High Strength, High Imp...
- Publication number 20210214824
- Publication date Jul 15, 2021
- CRS HOLDINGS, INC.
- Paul M. Novotny
- E21 - EARTH DRILLING MINING
Information Patent Application
Treatment machine, drive unit for a treatment machine and use of th...
- Publication number 20210190131
- Publication date Jun 24, 2021
- SINGULUS TECHNOLOGIES AG
- Frank HOFMANN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
CARBURIZED SHAFT PART
- Publication number 20200182286
- Publication date Jun 11, 2020
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuya IWASAKI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
AXLE FOR RAIL VEHICLES
- Publication number 20190309382
- Publication date Oct 10, 2019
- BONATRANS GROUP a.s.
- Rostislav FAJKOS
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVING BACKWARD FLOW FORMING OF SHAFTS
- Publication number 20190291167
- Publication date Sep 26, 2019
- United Technologies Corporation
- AGNIESZKA WUSATOWSKA-SARNEK
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HEAT TREATMENT METHOD OF ROD-SHAPE WORKPIECE
- Publication number 20190241986
- Publication date Aug 8, 2019
- NTN Corporation
- Tsuneaki HIRAOKA
- C21 - METALLURGY OF IRON
Information Patent Application
Alloy for Mud Motor Shaft Applications with High Strength, High Imp...
- Publication number 20190218648
- Publication date Jul 18, 2019
- CRS HOLDINGS, INC.
- Paul M. Novotny
- E21 - EARTH DRILLING MINING
Information Patent Application
OIL-IMMERSION QUENCHING COOLING PRECURSOR AND OIL-IMMERSION QUENCHI...
- Publication number 20190003001
- Publication date Jan 3, 2019
- BEIJING HUALI FINE CHEMICAL CO., LTD.
- Kejian ZHANG
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL, CARBURIZED STEEL COMPONENT, AND METHOD FOR MANUFACTURING CAR...
- Publication number 20180371603
- Publication date Dec 27, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Akira SHIGA
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL, CARBURIZED STEEL COMPONENT, AND METHOD FOR MANUFACTURING CAR...
- Publication number 20180347025
- Publication date Dec 6, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Akira SHIGA
- C21 - METALLURGY OF IRON
Information Patent Application
RAIL VEHICLE AXLE
- Publication number 20180245189
- Publication date Aug 30, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Taizo MAKINO
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESSING APPARATUS AND PROCESSING METHOD
- Publication number 20180133807
- Publication date May 17, 2018
- OKUMA CORPORATION
- Eiji SHAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING A PLANETARY GEAR SHAFT HAVING INCREASED HARDNESS
- Publication number 20180119243
- Publication date May 3, 2018
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Joseph T. Griffin
- C21 - METALLURGY OF IRON
Information Patent Application
TOOLING FOR STRESS RELIEVING A TURBINE WHEEL AND SHAFT
- Publication number 20180044756
- Publication date Feb 15, 2018
- HONEYWELL INTERNATIONAL INC.
- Angelo Prior
- C21 - METALLURGY OF IRON
Information Patent Application
ROLLING-CONTACT SHAFT MEMBER
- Publication number 20170314117
- Publication date Nov 2, 2017
- JTEKT Corporation
- Wataru YOSHIDA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR MANUFACTURING SHAFT BODY
- Publication number 20170298468
- Publication date Oct 19, 2017
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Yuichi HIRAKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
TRACK PIN WITH IMPROVED HARDNESS PROFILE AND METHOD OF PRODUCING TH...
- Publication number 20170144715
- Publication date May 25, 2017
- Caterpillar Inc.
- Eric James Johannsen
- C21 - METALLURGY OF IRON
Information Patent Application
Method for Manufacturing a Spherical-Cap-Shaped Recess in a Drive S...
- Publication number 20170138355
- Publication date May 18, 2017
- ROBERT BOSCH GmbH
- Martin Wagner
- C21 - METALLURGY OF IRON
Information Patent Application
Alloy for Mud Motor Shaft Applications with High Strength, High Imp...
- Publication number 20170088924
- Publication date Mar 30, 2017
- CRS HOLDINGS, INC.
- Paul M. Novotny
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH FATIGUE STRENGTH COMPONENTS REQUIRING AREAS OF HIGH HARDNESS
- Publication number 20160298203
- Publication date Oct 13, 2016
- METAL IMPROVEMENT COMPANY, LLC
- LLOYD A. HACKEL
- C21 - METALLURGY OF IRON
Information Patent Application
MULTI-CHAMBER FURNACE FOR VACUUM CARBURIZING AND QUENCHING OF GEARS...
- Publication number 20160223259
- Publication date Aug 4, 2016
- SECO/WARWICK S.A.
- Maciej KORECKI
- C21 - METALLURGY OF IRON
Information Patent Application
MAGNETIC AND ELECTRICAL PROCESSING OF METALS, METAL ALLOYS, METAL M...
- Publication number 20140283952
- Publication date Sep 25, 2014
- Jason Paul Mitchick
- C21 - METALLURGY OF IRON

for plain shafts

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Rail vehicle axle

Method for manufacturing magnetostrictive torque sensor shaft

Method for manufacturing magnetostrictive torque sensor shaft

Surface-hardened, rotationally symmetrical workpiece, hardening met...

Carburized shaft part

Shaft part

Systems and methods for improving backward flow forming of shafts

Oil-immersion quenching cooling precursor and oil-immersion quenchi...

Method for preventing cracking along the surface at the inner hole...

Heat treatment method of rod-shape workpiece

High fatigue strength components requiring areas of high hardness

Steel, carburized steel component, and method for manufacturing car...

Method for manufacturing shaft body

Carburized component

Tooling for stress relieving a turbine wheel and shaft

Rail vehicle axle

Method for manufacturing a spherical-cap-shaped recess in a drive s...

Alloy for mud motor shaft applications with high strength, high imp...

Steel for nitrocarburizing, nitrocarburized steel part, and produci...

Method for producing a planetary gear shaft having increased hardness

Track pin with improved hardness profile and method of producing th...

Multi-chamber furnace for vacuum carburizing and quenching of gears...

Rolled round steel material for steering rack bar, and steering rac...

Method for repairing break of universal connecting rod of universal...

High strength low alloy steel and method of manufacturing

Rolled round steel material for steering rack bar and steering rack...

Nitrided steel member and manufacturing method thereof

System and method for induction heating a helical rotor using a coil

Method of manufacturing outer joint member of constant velocity uni...

Fabrication method for stepped forged material

Patents Applicationslast 30 patents

Alloy for Mud Motor Shaft Applications with High Strength, High Imp...

STEEL FOR HIGH-TEMPERATURE CARBURIZED GEAR SHAFT AND MANUFACTURING...

SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...

MILL SHAFTS

HEAT TREATMENT METHOD FOR TUBULAR SHAFT FOR DRIVE SHAFT HAVING BALL...

METHOD FOR MANUFACTURING MAGNETOSTRICTIVE TORQUE SENSOR SHAFT

SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...

SHAFT PART

Alloy for Mud Motor Shaft Applications with High Strength, High Imp...

Treatment machine, drive unit for a treatment machine and use of th...

CARBURIZED SHAFT PART

AXLE FOR RAIL VEHICLES

SYSTEMS AND METHODS FOR IMPROVING BACKWARD FLOW FORMING OF SHAFTS

HEAT TREATMENT METHOD OF ROD-SHAPE WORKPIECE

Alloy for Mud Motor Shaft Applications with High Strength, High Imp...

OIL-IMMERSION QUENCHING COOLING PRECURSOR AND OIL-IMMERSION QUENCHI...

STEEL, CARBURIZED STEEL COMPONENT, AND METHOD FOR MANUFACTURING CAR...

STEEL, CARBURIZED STEEL COMPONENT, AND METHOD FOR MANUFACTURING CAR...

RAIL VEHICLE AXLE

PROCESSING APPARATUS AND PROCESSING METHOD

METHOD FOR PRODUCING A PLANETARY GEAR SHAFT HAVING INCREASED HARDNESS

TOOLING FOR STRESS RELIEVING A TURBINE WHEEL AND SHAFT

ROLLING-CONTACT SHAFT MEMBER

METHOD FOR MANUFACTURING SHAFT BODY

TRACK PIN WITH IMPROVED HARDNESS PROFILE AND METHOD OF PRODUCING TH...

Method for Manufacturing a Spherical-Cap-Shaped Recess in a Drive S...

Alloy for Mud Motor Shaft Applications with High Strength, High Imp...

HIGH FATIGUE STRENGTH COMPONENTS REQUIRING AREAS OF HIGH HARDNESS

MULTI-CHAMBER FURNACE FOR VACUUM CARBURIZING AND QUENCHING OF GEARS...

MAGNETIC AND ELECTRICAL PROCESSING OF METALS, METAL ALLOYS, METAL M...