Selecting particular materials for valve-members or valve-seats Valve-members or valve-seats composed of two or more materials

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES F01L3/00Lift-valve

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F01L3/02Selecting particular materials for valve-members or valve-seats Valve-members or valve-seats composed of two or more materials

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Patents Grantslast 30 patents

Information Patent Grant
Large-size diesel exhaust valve and manufacturing method thereof
- Patent number 12,104,508
- Issue date Oct 1, 2024
- Cosco Shipping Marine Equipt & Spares (NJ) Co., Ltd.
- Hong Lu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron-based sintered alloy valve seat
- Patent number 12,049,689
- Issue date Jul 30, 2024
- TPR CO., LTD.
- Koki Maeda
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Martensitic wear resistant alloy strengthened through aluminum nitr...
- Patent number 12,018,343
- Issue date Jun 25, 2024
- L. E. Jones Company
- Cong Yue Qiao
- C21 - METALLURGY OF IRON
Information Patent Grant
Air-cooled, four-stroke aviation engine
- Patent number 12,012,910
- Issue date Jun 18, 2024
- Textron Innovations Inc.
- Patrick Henry Baer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Sintered valve seat insert and method of manufacture thereof
- Patent number 11,988,294
- Issue date May 21, 2024
- L. E. Jones Company
- Cong Yue Qiao
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hollow engine valve and production method thereof
- Patent number 11,982,212
- Issue date May 14, 2024
- FUJI OOZX INC.
- Takaaki Kumagai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Sliding member and member for internal combustion engine
- Patent number 11,976,366
- Issue date May 7, 2024
- Nissan Motor Co., Ltd.
- Yoshinori Izawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Layer sintered valve seat ring, process for its production, combina...
- Patent number 11,959,404
- Issue date Apr 16, 2024
- Mahle International GmbH
- Andreas Gutmann
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine
- Patent number 11,905,911
- Issue date Feb 20, 2024
- Toyota Jidosha Kabushiki Kaisha
- Yuki Suzuki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine valve with raised ring or dimple
- Patent number 11,885,246
- Issue date Jan 30, 2024
- Caterpillar Inc.
- Jeffrey Clark Krieger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Internal combustion engine with at least one hollow-head valve
- Patent number 11,828,207
- Issue date Nov 28, 2023
- Mahle International GmbH
- Heiko Heckendorn
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine with reduced oil maintenance
- Patent number 11,761,402
- Issue date Sep 19, 2023
- Briggs & Stratton, LLC
- Jacob Zuehl
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve seat for automotive cylinder head
- Patent number 11,639,672
- Issue date May 2, 2023
- GM Global Technology Operations LLC
- Daniel J. Wilson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Preparing method of engine valve
- Patent number 11,597,981
- Issue date Mar 7, 2023
- Hyundai Motor Company
- Sung Hwan Park
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Martensitic wear resistant alloy strengthened through aluminum nitr...
- Patent number 11,566,299
- Issue date Jan 31, 2023
- L. E. Jones Company
- Cong Yue Qiao
- C21 - METALLURGY OF IRON
Information Patent Grant
Copper alloy for valve seats
- Patent number 11,560,610
- Issue date Jan 24, 2023
- Hyundai Motor Company
- Min Woo Kang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Iron-based sintered alloy valve seat for internal combustion engine
- Patent number 11,549,408
- Issue date Jan 10, 2023
- Nippon Piston Ring Co., Ltd.
- Ayato Oikawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Low-carbon iron-based alloy useful for valve seat inserts
- Patent number 11,530,460
- Issue date Dec 20, 2022
- L. E. Jones Company
- Cong Yue Qiao
- C21 - METALLURGY OF IRON
Information Patent Grant
Method to attach copper alloy valve inserts to aluminum cylinder head
- Patent number 11,530,629
- Issue date Dec 20, 2022
- GM Global Technology Operations LLC
- Huaxin Li
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Nickel-niobium intermetallic alloy useful for valve seat inserts
- Patent number 11,525,172
- Issue date Dec 13, 2022
- L. E. Jones Company
- Cong Yue Qiao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Copper alloy for engine valve seats manufactured by laser cladding
- Patent number 11,427,889
- Issue date Aug 30, 2022
- Hyundai Motor Company
- Young Nam Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for manufacture a metallic component by pre-manufactured bodies
- Patent number 11,370,026
- Issue date Jun 28, 2022
- MTC Powder Solutions AB
- Tomas Berglund
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing a valve seat ring by powder metallurgy
- Patent number 11,346,314
- Issue date May 31, 2022
- Mahle International GmbH
- Heiko Heckendorn
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Internally cooled valve for an internal combustion engine
- Patent number 11,333,046
- Issue date May 17, 2022
- Federal-Mogul Valvetrain GmbH
- Thorsten Matthias
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Valve seat ring
- Patent number 11,311,936
- Issue date Apr 26, 2022
- Bleistahl-Produktions GmbH & Co. KG
- Ekkehard Kohler
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High performance iron-based alloys for engine valvetrain applicatio...
- Patent number 11,215,090
- Issue date Jan 4, 2022
- L. E. Jones Company
- Cong Yue Qiao
- C21 - METALLURGY OF IRON
Information Patent Grant
Engine head assembly with valve seat insert with stiffness relief c...
- Patent number 11,215,089
- Issue date Jan 4, 2022
- Caterpillar Inc.
- Jeffrey Clark Krieger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine valve with raised ring or dimple
- Patent number 11,215,092
- Issue date Jan 4, 2022
- Caterpillar Inc.
- Jeffrey Clark Krieger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Valve seat ring of a gas exchange valve and gas exchange valve
- Patent number 11,193,402
- Issue date Dec 7, 2021
- MAN Energy Solutions SE
- Bernhard Ritter
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine
- Patent number 11,125,152
- Issue date Sep 21, 2021
- Patentec AS
- Hilberg Inge Karoliussen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
IRON-BASED SINTERED ALLOY VALVE SEAT INSERT FOR INTERNAL COMBUSTION...
- Publication number 20240344467
- Publication date Oct 17, 2024
- NIPPON PISTON RING CO., LTD
- Yuji NAGAOKA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AIR-COOLED, FOUR-STROKE AVIATION ENGINE
- Publication number 20240337227
- Publication date Oct 10, 2024
- TEXTRON INNOVATIONS INC.
- Patrick Henry Baer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
large-size diesel exhaust valve and manufacturing method thereof
- Publication number 20240328333
- Publication date Oct 3, 2024
- Hong LU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOLLOW POPPET VALVE AND METHOD OF MANUFACTURING
- Publication number 20240254900
- Publication date Aug 1, 2024
- Eaton Intelligent Power Limited
- Pierfrancesco De Giovanni
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VALUE FOR AN INTERNAL COMBUSTION ENGINE AND PRODUCTION METHOD
- Publication number 20240240577
- Publication date Jul 18, 2024
- MAHLE International GmbH
- Peter Kroos
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Iron-Based Sintered Alloy Valve Seat
- Publication number 20240191332
- Publication date Jun 13, 2024
- TPR CO., LTD.
- Koki Maeda
- B22 - CASTING POWDER METALLURGY
Information Patent Application
INTERNAL COMBUSTION ENGINE WITH REDUCED OIL MAINTENANCE
- Publication number 20240011452
- Publication date Jan 11, 2024
- Briggs & Stratton, LLC
- Jacob Zuehl
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TREATMENT METHOD AND PROCESS FOR VALVE SEAT
- Publication number 20230407425
- Publication date Dec 21, 2023
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Markus Dinkel
- C21 - METALLURGY OF IRON
Information Patent Application
HOLLOW ENGINE VALVE AND PRODUCTION METHOD THEREOF
- Publication number 20230358151
- Publication date Nov 9, 2023
- FUJI OOZX Inc.
- Takaaki KUMAGAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Martensitic Wear Resistant Alloy Strengthened Through Aluminum Nitr...
- Publication number 20230160031
- Publication date May 25, 2023
- L. E. Jones Company
- Cong Yue Qiao
- C21 - METALLURGY OF IRON
Information Patent Application
INTERNAL COMBUSTION ENGINE WITH REDUCED OIL MAINTENANCE
- Publication number 20230097245
- Publication date Mar 30, 2023
- Briggs & Stratton, LLC
- Jacob Zuehl
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
LAYER SINTERED VALVE SEAT RING, PROCESS FOR ITS PRODUCTION, COMBINA...
- Publication number 20230084759
- Publication date Mar 16, 2023
- MAHLE International GmbH
- Andreas Gutmann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CAMSHAFT RETAINERS WITH AS-PRESSED WINDAGE RELIEF HOLES AND A METHO...
- Publication number 20230052425
- Publication date Feb 16, 2023
- Richard William Smith
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AIR-COOLED, FOUR-STROKE AVIATION ENGINE
- Publication number 20230040082
- Publication date Feb 9, 2023
- Avco Corporation
- Patrick Henry Baer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Sintered Valve Seat Insert and Method of Manufacture Thereof
- Publication number 20220349487
- Publication date Nov 3, 2022
- L. E. Jones Company
- Cong Yue Qiao
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PLATE VALVE FOUR STOKE HEAD
- Publication number 20220307391
- Publication date Sep 29, 2022
- Steve Burkholder
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Martensitic Wear Resistant Alloy Strengthened Through Aluminum Nitr...
- Publication number 20220243296
- Publication date Aug 4, 2022
- L. E. Jones Company
- Cong Yue Qiao
- C21 - METALLURGY OF IRON
Information Patent Application
VALVE SEAT FOR AUTOMOTIVE CYLINDER HEAD
- Publication number 20220162968
- Publication date May 26, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Daniel J. Wilson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ENGINE VALVE WITH RAISED RING OR DIMPLE
- Publication number 20220034243
- Publication date Feb 3, 2022
- Caterpillar Inc.
- Jeffrey Clark Krieger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COPPER ALLOY FOR ENGINE VALVE SEATS MANUFACTURED BY LASER CLADDING
- Publication number 20210404034
- Publication date Dec 30, 2021
- Hyundai Motor Company
- Young Nam Kim
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD TO ATTACH COPPER ALLOY VALVE INSERTS TO ALUMINUM CYLINDER HEAD
- Publication number 20210404353
- Publication date Dec 30, 2021
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Huaxin Li
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COPPER ALLOY FOR VALVE SEATS
- Publication number 20210395862
- Publication date Dec 23, 2021
- Hyundai Motor Company
- Min Woo Kang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Corrosion and Wear Resistant Overlay, Method for Forming Corrosion...
- Publication number 20210323085
- Publication date Oct 21, 2021
- Hitachi-GE NUCLEAR ENERGY, LTD.
- Sei HIRANO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
COMBUSTION-CHAMBER STRUCTURE OF ENGINE
- Publication number 20210310401
- Publication date Oct 7, 2021
- MAZDA MOTOR CORPORATION
- Yoshihisa NOU
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
IRON-BASED SINTERED ALLOY VALVE SEAT FOR INTERNAL COMBUSTION ENGINE
- Publication number 20210215071
- Publication date Jul 15, 2021
- NIPPON PISTON RING CO., LTD
- Ayato OIKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ENGINE HEAD ASSEMBLY WITH VALVE SEAT INSERT WITH STIFFNESS RELIEF C...
- Publication number 20210180478
- Publication date Jun 17, 2021
- Caterpillar Inc.
- Jeffrey Clark Krieger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ENGINE VALVE WITH RAISED RING OR DIMPLE
- Publication number 20210180480
- Publication date Jun 17, 2021
- Caterpillar Inc.
- Jeffrey Clark Krieger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
PREPARING METHOD OF ENGINE VALVE
- Publication number 20210172034
- Publication date Jun 10, 2021
- Hyundai Motor Company
- Sung Hwan Park
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VALVE SEAT RING OF A GAS EXCHANGE VALVE AND GAS EXCHANGE VALVE
- Publication number 20210148257
- Publication date May 20, 2021
- MAN Energy Solutions SE
- Bernhard RITTER
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
INTERNAL COMBUSTION ENGINE
- Publication number 20210140365
- Publication date May 13, 2021
- Hilberg Inge Karoliussen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Selecting particular materials for valve-members or valve-seats Valve-members or valve-seats composed of two or more materials

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Large-size diesel exhaust valve and manufacturing method thereof

Iron-based sintered alloy valve seat

Martensitic wear resistant alloy strengthened through aluminum nitr...

Air-cooled, four-stroke aviation engine

Sintered valve seat insert and method of manufacture thereof

Hollow engine valve and production method thereof

Sliding member and member for internal combustion engine

Layer sintered valve seat ring, process for its production, combina...

Internal combustion engine

Engine valve with raised ring or dimple

Internal combustion engine with at least one hollow-head valve

Internal combustion engine with reduced oil maintenance

Valve seat for automotive cylinder head

Preparing method of engine valve

Martensitic wear resistant alloy strengthened through aluminum nitr...

Copper alloy for valve seats

Iron-based sintered alloy valve seat for internal combustion engine

Low-carbon iron-based alloy useful for valve seat inserts

Method to attach copper alloy valve inserts to aluminum cylinder head

Nickel-niobium intermetallic alloy useful for valve seat inserts

Copper alloy for engine valve seats manufactured by laser cladding

Method for manufacture a metallic component by pre-manufactured bodies

Method for producing a valve seat ring by powder metallurgy

Internally cooled valve for an internal combustion engine

Valve seat ring

High performance iron-based alloys for engine valvetrain applicatio...

Engine head assembly with valve seat insert with stiffness relief c...

Engine valve with raised ring or dimple

Valve seat ring of a gas exchange valve and gas exchange valve

Internal combustion engine

Patents Applicationslast 30 patents

IRON-BASED SINTERED ALLOY VALVE SEAT INSERT FOR INTERNAL COMBUSTION...

AIR-COOLED, FOUR-STROKE AVIATION ENGINE

large-size diesel exhaust valve and manufacturing method thereof

HOLLOW POPPET VALVE AND METHOD OF MANUFACTURING

VALUE FOR AN INTERNAL COMBUSTION ENGINE AND PRODUCTION METHOD

Iron-Based Sintered Alloy Valve Seat

INTERNAL COMBUSTION ENGINE WITH REDUCED OIL MAINTENANCE

TREATMENT METHOD AND PROCESS FOR VALVE SEAT

HOLLOW ENGINE VALVE AND PRODUCTION METHOD THEREOF

Martensitic Wear Resistant Alloy Strengthened Through Aluminum Nitr...

INTERNAL COMBUSTION ENGINE WITH REDUCED OIL MAINTENANCE

LAYER SINTERED VALVE SEAT RING, PROCESS FOR ITS PRODUCTION, COMBINA...

CAMSHAFT RETAINERS WITH AS-PRESSED WINDAGE RELIEF HOLES AND A METHO...

AIR-COOLED, FOUR-STROKE AVIATION ENGINE

Sintered Valve Seat Insert and Method of Manufacture Thereof

PLATE VALVE FOUR STOKE HEAD

Martensitic Wear Resistant Alloy Strengthened Through Aluminum Nitr...

VALVE SEAT FOR AUTOMOTIVE CYLINDER HEAD

ENGINE VALVE WITH RAISED RING OR DIMPLE

COPPER ALLOY FOR ENGINE VALVE SEATS MANUFACTURED BY LASER CLADDING

METHOD TO ATTACH COPPER ALLOY VALVE INSERTS TO ALUMINUM CYLINDER HEAD

COPPER ALLOY FOR VALVE SEATS

Corrosion and Wear Resistant Overlay, Method for Forming Corrosion...

COMBUSTION-CHAMBER STRUCTURE OF ENGINE

IRON-BASED SINTERED ALLOY VALVE SEAT FOR INTERNAL COMBUSTION ENGINE

ENGINE HEAD ASSEMBLY WITH VALVE SEAT INSERT WITH STIFFNESS RELIEF C...

ENGINE VALVE WITH RAISED RING OR DIMPLE

PREPARING METHOD OF ENGINE VALVE

VALVE SEAT RING OF A GAS EXCHANGE VALVE AND GAS EXCHANGE VALVE

INTERNAL COMBUSTION ENGINE