Spring

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CPC
Y10S148/908

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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S148/00Metal treatment

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Y10S148/908Spring

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Patents Grantslast 30 patents

Information Patent Grant
High-strength and high-ductility steel for spring, method for produ...
- Patent number 8,926,768
- Issue date Jan 6, 2015
- NHK Spring Co., Ltd.
- Takeshi Suzuki
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel for high-cleanliness spring with excellent fatigue characteri...
- Patent number 8,187,530
- Issue date May 29, 2012
- Kobe Steel, Ltd.
- Tomoko Sugimura
- C21 - METALLURGY OF IRON
Information Patent Grant
High-tensile steel plate, welded steel pipe or tube, and methods of...
- Patent number 8,177,925
- Issue date May 15, 2012
- Sumitomo Metal Industries, Ltd.
- Nobuaki Takahashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for cold-formed spring excellent in corrosion resistance...
- Patent number 8,043,444
- Issue date Oct 25, 2011
- Kobe Steel, Ltd.
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength spring steel excellent in brittle fracture resistance...
- Patent number 8,038,934
- Issue date Oct 18, 2011
- Kobe Steel, Ltd.
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring element made from a ferritic chromium steel
- Patent number 8,007,602
- Issue date Aug 30, 2011
- Stahlwerk Ergste Westig GmbH
- Oskar Pacher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Salvage process for spring elements
- Patent number 8,007,606
- Issue date Aug 30, 2011
- Caterpillar Inc.
- Sami El-Sayed
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring wire rod excelling in fatigue characteristics
- Patent number 7,901,520
- Issue date Mar 8, 2011
- Kobe Steel, Ltd.
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength steel with excellent unsusceptibility to hydrogen emb...
- Patent number 7,887,924
- Issue date Feb 15, 2011
- Kobe Steel, Ltd.
- Wataru Urushihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring produced by a process comprising coiling a hard drawn steel...
- Patent number 7,763,123
- Issue date Jul 27, 2010
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie Suda
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing high-strength spring
- Patent number 7,699,943
- Issue date Apr 20, 2010
- Chuo Hatsujo Kabushiki Kaisha
- Tomohiro Nakano
- C21 - METALLURGY OF IRON
Information Patent Grant
Steels for high-strength springs excellent in cold workability and...
- Patent number 7,618,498
- Issue date Nov 17, 2009
- (Kobe Steel, Ltd.)
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for hard drawn spring excellent in fatigue strength and...
- Patent number 7,597,768
- Issue date Oct 6, 2009
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie Suda
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength spring steel having excellent hydrogen embrittlement...
- Patent number 7,438,770
- Issue date Oct 21, 2008
- Kobe Steel, Ltd.
- Fumio Yuse
- C21 - METALLURGY OF IRON
Information Patent Grant
Ultra clean spring steel
- Patent number 7,429,301
- Issue date Sep 30, 2008
- Kobe Steel, Ltd.
- Tomoko Sugimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rolling bearing, material for rolling bearing, and equipment having...
- Patent number 7,396,422
- Issue date Jul 8, 2008
- Kent Engineering
- Toshiaki Miyauchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for manufacturing a leaf spring
- Patent number 7,284,308
- Issue date Oct 23, 2007
- NHK Spring Co., Ltd.
- Mamoru Akeda
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the thermomechanical treatment of steel
- Patent number 6,939,418
- Issue date Sep 6, 2005
- Muhr und Bender
- Christian Bilgen
- C21 - METALLURGY OF IRON
Information Patent Grant
Metal gasket and a material for its manufacture and a method for th...
- Patent number 6,893,727
- Issue date May 17, 2005
- Sumitomo Metal Industries, Ltd.
- Kazuhiko Adachi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for producing a helical spring
- Patent number 6,648,996
- Issue date Nov 18, 2003
- Chuo Hatsujo Kabushiki Kaisha
- Keiji Hasegawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
High fatigue-strength steel wire and spring, and processes for prod...
- Patent number 6,627,005
- Issue date Sep 30, 2003
- Sumitomo Electric Industries, Ltd.
- Nozomu Kawabe
- C21 - METALLURGY OF IRON
Information Patent Grant
Highly strengthened spring and process for producing the same
- Patent number 6,544,360
- Issue date Apr 8, 2003
- NHK Spring Co., Ltd.
- Akira Tange
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat-resistant alloy wire
- Patent number 6,478,897
- Issue date Nov 12, 2002
- Sumitomo Electric Engineering, Ltd.
- Hiromu Izumida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the thermomechanical treatment of steel
- Patent number 6,458,226
- Issue date Oct 1, 2002
- Muhr und Bender
- Christian Bilgen
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for improved module assembly using shape memo...
- Patent number 6,436,223
- Issue date Aug 20, 2002
- International Business Machines Corporation
- David L. Edwards
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
High toughness spring steel
- Patent number 6,406,565
- Issue date Jun 18, 2002
- Nippon Steel Corporation
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Valve spring
- Patent number 6,371,464
- Issue date Apr 16, 2002
- Medtronic, Inc.
- Leonard Porche
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Manufacturing method of suspension spring for car
- Patent number 6,346,157
- Issue date Feb 12, 2002
- Showa Corp.
- Yoshiyuki Takezawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for high-strength springs and method of producing the same
- Patent number 6,338,763
- Issue date Jan 15, 2002
- Nippon Steel Corporation
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring steel superior in fatigue properties
- Patent number 6,328,820
- Issue date Dec 11, 2001
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Yoshinori Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH AND HIGH-DUCTILITY STEEL FOR SPRING, METHOD FOR PRODU...
- Publication number 20120024436
- Publication date Feb 2, 2012
- NHK Spring Co., Ltd.
- Takeshi Suzuki
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SPRING STEEL EXCELLENT IN BRITTLE FRACTURE RESISTANCE...
- Publication number 20100224287
- Publication date Sep 9, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Application
SPRING ELEMENT MADE FROM A FERRITIC CHROMIUM STEEL
- Publication number 20100132846
- Publication date Jun 3, 2010
- STAHLWERK ERGSTE WESTIG GMBH
- OSKAR PACHER
- B60 - VEHICLES IN GENERAL
Information Patent Application
STEEL FOR HIGH-CLEANLINESS SPRING WITH EXCELLENT FATIGUE CHARACTERI...
- Publication number 20100086432
- Publication date Apr 8, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomoko Sugimura
- C21 - METALLURGY OF IRON
Information Patent Application
Salvage process for spring elements
- Publication number 20090320970
- Publication date Dec 31, 2009
- Caterpillar Inc.
- Sami El-Sayed
- C21 - METALLURGY OF IRON
Information Patent Application
High-Tensile Steel Plate, Welded Steel Pipe or Tube, and Methods of...
- Publication number 20090297872
- Publication date Dec 3, 2009
- Sumitomo Metal Industries, Ltd.
- Nobuaki Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL WIRE FOR HARD DRAWN SPRING EXCELLENT IN FATIGUE STRENGTH AND...
- Publication number 20090283181
- Publication date Nov 19, 2009
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie SUDA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL WITH EXCELLENT UNSUSCEPTIBILITY TO HYDROGEN EMB...
- Publication number 20090035602
- Publication date Feb 5, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Wataru Urushihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SPRING WIRE ROD EXCELLING IN FATIGUE CHARACTERISTICS
- Publication number 20090025832
- Publication date Jan 29, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd)
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE FOR COLD-FORMED SPRING EXCELLENT IN CORROSION RESISTANCE...
- Publication number 20060225819
- Publication date Oct 12, 2006
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
Steels for high-strength springs excellent in cold workability and...
- Publication number 20060196584
- Publication date Sep 7, 2006
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Application
High strength spring steel having excellent hydrogen embrittlement...
- Publication number 20060169367
- Publication date Aug 3, 2006
- Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.)
- Fumio Yuse
- C21 - METALLURGY OF IRON
Information Patent Application
Ultra clean spring steel
- Publication number 20060108027
- Publication date May 25, 2006
- Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.)
- Tomoko Sugimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for producing high-strength spring
- Publication number 20060060269
- Publication date Mar 23, 2006
- CHUO HATSUJO KABUSHIKI KAISHA
- Tomohiro Nakano
- C21 - METALLURGY OF IRON
Information Patent Application
Rolling bearing, material for rolling bearing, and equipment having...
- Publication number 20060011269
- Publication date Jan 19, 2006
- KENT ENGINEERING
- Toshiaki Miyauchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Spring element made from a ferritic chromium steel
- Publication number 20050279434
- Publication date Dec 22, 2005
- Oskar Pacher
- B60 - VEHICLES IN GENERAL
Information Patent Application
Steel wire for hard drawn spring excellent in fatigue strength and...
- Publication number 20050173028
- Publication date Aug 11, 2005
- Sumie Suda
- C21 - METALLURGY OF IRON
Information Patent Application
Leaf spring for vehicle and method of manufacturing the leaf spring
- Publication number 20050028902
- Publication date Feb 10, 2005
- Mamoru Akeda
- C21 - METALLURGY OF IRON
Information Patent Application
Metal gasket and a material for its manufacture and a method for th...
- Publication number 20040121169
- Publication date Jun 24, 2004
- Kazuhiko Adachi
- C21 - METALLURGY OF IRON
Information Patent Application
Process for the thermomechanical treatment of steel
- Publication number 20020170636
- Publication date Nov 21, 2002
- Muhr und Bender
- Christian Bilgen
- C21 - METALLURGY OF IRON
Information Patent Application
Method and apparatus for producing a helical spring
- Publication number 20020046587
- Publication date Apr 25, 2002
- CHUO HATSUJO KABUSHIKI KAISHA
- Keiji Hasegawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

High-strength and high-ductility steel for spring, method for produ...

Steel for high-cleanliness spring with excellent fatigue characteri...

High-tensile steel plate, welded steel pipe or tube, and methods of...

Steel wire for cold-formed spring excellent in corrosion resistance...

High-strength spring steel excellent in brittle fracture resistance...

Spring element made from a ferritic chromium steel

Salvage process for spring elements

Spring wire rod excelling in fatigue characteristics

High-strength steel with excellent unsusceptibility to hydrogen emb...

Spring produced by a process comprising coiling a hard drawn steel...

Method for manufacturing high-strength spring

Steels for high-strength springs excellent in cold workability and...

Steel wire for hard drawn spring excellent in fatigue strength and...

High strength spring steel having excellent hydrogen embrittlement...

Ultra clean spring steel

Rolling bearing, material for rolling bearing, and equipment having...

Method for manufacturing a leaf spring

Process for the thermomechanical treatment of steel

Metal gasket and a material for its manufacture and a method for th...

Method and apparatus for producing a helical spring

High fatigue-strength steel wire and spring, and processes for prod...

Highly strengthened spring and process for producing the same

Heat-resistant alloy wire

Process for the thermomechanical treatment of steel

Process and apparatus for improved module assembly using shape memo...

High toughness spring steel

Valve spring

Manufacturing method of suspension spring for car

Steel wire for high-strength springs and method of producing the same

Spring steel superior in fatigue properties

Patents Applicationslast 30 patents

HIGH-STRENGTH AND HIGH-DUCTILITY STEEL FOR SPRING, METHOD FOR PRODU...

HIGH-STRENGTH SPRING STEEL EXCELLENT IN BRITTLE FRACTURE RESISTANCE...

SPRING ELEMENT MADE FROM A FERRITIC CHROMIUM STEEL

STEEL FOR HIGH-CLEANLINESS SPRING WITH EXCELLENT FATIGUE CHARACTERI...

Salvage process for spring elements

High-Tensile Steel Plate, Welded Steel Pipe or Tube, and Methods of...

STEEL WIRE FOR HARD DRAWN SPRING EXCELLENT IN FATIGUE STRENGTH AND...

HIGH-STRENGTH STEEL WITH EXCELLENT UNSUSCEPTIBILITY TO HYDROGEN EMB...

SPRING WIRE ROD EXCELLING IN FATIGUE CHARACTERISTICS

STEEL WIRE FOR COLD-FORMED SPRING EXCELLENT IN CORROSION RESISTANCE...

Steels for high-strength springs excellent in cold workability and...

High strength spring steel having excellent hydrogen embrittlement...

Ultra clean spring steel

Process for producing high-strength spring

Rolling bearing, material for rolling bearing, and equipment having...

Spring element made from a ferritic chromium steel

Steel wire for hard drawn spring excellent in fatigue strength and...

Leaf spring for vehicle and method of manufacturing the leaf spring

Metal gasket and a material for its manufacture and a method for th...

Process for the thermomechanical treatment of steel

Method and apparatus for producing a helical spring