with diminished tendency to become wavy

Industry

CPC
C21D9/06

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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

C21D9/06with diminished tendency to become wavy

Industries

Patents Grantslast 30 patents

Information Patent Grant
Handling machine for rails and handling process associated thereto
- Patent number 9,499,874
- Issue date Nov 22, 2016
- Danieli & C. Officine Meccaniche SpA
- Alfredo Poloni
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cooling system and cooling method of rolling steel
- Patent number 9,255,304
- Issue date Feb 9, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Seiji Sugiyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Manufacture of coil springs
- Patent number 8,800,338
- Issue date Aug 12, 2014
- Springform Technology Limited
- Ian James Whitworth
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
Cooling system and cooling method of rolling steel
- Patent number 8,715,565
- Issue date May 6, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Seiji Sugiyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Handling machine for handling rails and handling process thereof
- Patent number 8,668,788
- Issue date Mar 11, 2014
- Danieli & C. Officine Meccaniche SpA
- Alfredo Poloni
- C21 - METALLURGY OF IRON
Information Patent Grant
Rail manufacturing method
- Patent number 7,828,917
- Issue date Nov 9, 2010
- Nippon Steel Corporation
- Noriaki Onodera
- C21 - METALLURGY OF IRON
Information Patent Grant
Production process and production line for manufacturing articles f...
- Patent number 7,115,176
- Issue date Oct 3, 2006
- Accra Teknik AB
- Anders Sundgren
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device for tempering rolled stock of great length
- Patent number 6,989,063
- Issue date Jan 24, 2006
- voestalpine Schienen GmbH
- Norbert Köck
- C21 - METALLURGY OF IRON
Information Patent Grant
Device for tempering rolled stock of great length
- Patent number 6,689,228
- Issue date Feb 10, 2004
- Voest-Alpine Schienen GmbH & Co. KG
- Norbert Köck
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and device for hardening a rail
- Patent number 6,432,230
- Issue date Aug 13, 2002
- Voest-Alpine Schienen GmbH & Co. KG
- Norbert Köck
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of cooling sectional girders
- Patent number 6,059,903
- Issue date May 9, 2000
- SMS Schloemann-Siemag Aktiengesellschaft
- Wolfgang Roloff
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for heat treating and straightening structural...
- Patent number 5,968,293
- Issue date Oct 19, 1999
- Midland Steel Products Co.
- Angelo A. Giannini
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of reducing the gaping values in the web saw cut test on ste...
- Patent number 5,916,387
- Issue date Jun 29, 1999
- Thyssen Stahl AG
- Robert Dannenberg
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for heat treating and straightening structural...
- Patent number 5,885,522
- Issue date Mar 23, 1999
- Midland Steel Products Co.
- Angelo A. Giannini
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for heat treatment of a steel rail
- Patent number 5,714,020
- Issue date Feb 3, 1998
- Sogerail
- Jean Luc Perrin
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for raising welded rail connections lying below the travelin...
- Patent number 5,486,245
- Issue date Jan 23, 1996
- Elektro-Thermit GmbH
- Gerhardus J. Mulder
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for shape control of rail during accelerated cooling
- Patent number 5,000,798
- Issue date Mar 19, 1991
- The Algoma Steel Corporation, Limited
- Murray A. Nott
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for heat treating rail
- Patent number 4,749,419
- Issue date Jun 7, 1988
- Richard A. Sommer
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for reducing internal stresses of roller straightened rails
- Patent number 4,659,398
- Issue date Apr 21, 1987
- Krupp Stahl Aktiengesellschaft
- Wilhelm Heller
- C21 - METALLURGY OF IRON
Information Patent Grant
Rail hardening machine and method
- Patent number 4,201,602
- Issue date May 6, 1980
- Canron Corporation
- Charles A. Shupe
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for heat-treating the head of railroad rail
- Patent number 4,099,996
- Issue date Jul 11, 1978
- United States Steel Corporation
- John Toleikis
- C21 - METALLURGY OF IRON
Information Patent Grant
3300197
- Patent number 3,300,197
- Issue date Jan 24, 1967
- C21 - METALLURGY OF IRON
Information Patent Grant
3276924
- Patent number 3,276,924
- Issue date Oct 4, 1966
- C21 - METALLURGY OF IRON
Information Patent Grant
3266956
- Patent number 3,266,956
- Issue date Aug 16, 1966
- C21 - METALLURGY OF IRON
Information Patent Grant
3193270
- Patent number 3,193,270
- Issue date Jul 6, 1965
- C21 - METALLURGY OF IRON
Information Patent Grant
3189338
- Patent number 3,189,338
- Issue date Jun 15, 1965
- C21 - METALLURGY OF IRON
Information Patent Grant
3124492
- Patent number 3,124,492
- Issue date Mar 10, 1964
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
2091609
- Patent number 2,091,609
- Issue date Aug 31, 1937
- C21 - METALLURGY OF IRON
Information Patent Grant
1914439
- Patent number 1,914,439
- Issue date Jun 20, 1933
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
1456944
- Patent number 1,456,944
- Issue date May 29, 1923
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
COOLING SYSTEM AND COOLING METHOD OF ROLLING STEEL
- Publication number 20140208780
- Publication date Jul 31, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Seiji SUGIYAMA
- C21 - METALLURGY OF IRON
Information Patent Application
HANDLING MASCHINE FOR RAILS AND HANDLING PROCESS ASSOCIATED THERETO
- Publication number 20120034053
- Publication date Feb 9, 2012
- Danieli & C. Officne Meccanche S.P.A.
- Alfredo Poloni
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HANDLING MACHINE FOR HANDLING RAILS AND HANDLING PROCESS THEREOF
- Publication number 20110272867
- Publication date Nov 10, 2011
- Alfredo Poloni
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANUFACTURE OF COIL SPRINGS
- Publication number 20110247383
- Publication date Oct 13, 2011
- SPRINGFORM TECHNOLOGY LIMITED
- Ian James Whitworth
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COOLING SYSTEM AND COOLING METHOD OF ROLLING STEEL
- Publication number 20100307646
- Publication date Dec 9, 2010
- Seiji Sugiyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Rail manufacturing method
- Publication number 20090014099
- Publication date Jan 15, 2009
- Noriaki Onodera
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for Straightening Hot Profiled Sections
- Publication number 20080202187
- Publication date Aug 28, 2008
- Betriebsforschungsinstitut VDEh-Institut fur angewandte Forschung GmbH
- Axel Maag
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Device for tempering rolled stock of great length
- Publication number 20040113334
- Publication date Jun 17, 2004
- VOEST-ALPINE SCHIENEN GmbH & Co., KG
- Norbert Kock
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Proceeding when producing pieces of metal materials capable of bein...
- Publication number 20030178108
- Publication date Sep 25, 2003
- Anders Sundgren
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Device for tempering rolled stock of great length
- Publication number 20030047852
- Publication date Mar 13, 2003
- VOEST-ALPINE SCHIENEN GmbH & CO.,
- Norbert Kock
- C21 - METALLURGY OF IRON

with diminished tendency to become wavy

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Handling machine for rails and handling process associated thereto

Cooling system and cooling method of rolling steel

Manufacture of coil springs

Cooling system and cooling method of rolling steel

Handling machine for handling rails and handling process thereof

Rail manufacturing method

Production process and production line for manufacturing articles f...

Device for tempering rolled stock of great length

Device for tempering rolled stock of great length

Process and device for hardening a rail

Method of cooling sectional girders

Method and apparatus for heat treating and straightening structural...

Method of reducing the gaping values in the web saw cut test on ste...

Method and apparatus for heat treating and straightening structural...

Process for heat treatment of a steel rail

Method for raising welded rail connections lying below the travelin...

Method for shape control of rail during accelerated cooling

Method for heat treating rail

Method for reducing internal stresses of roller straightened rails

Rail hardening machine and method

Process for heat-treating the head of railroad rail

3300197

3276924

3266956

3193270

3189338

3124492

2091609

1914439

1456944

Patents Applicationslast 30 patents

COOLING SYSTEM AND COOLING METHOD OF ROLLING STEEL

HANDLING MASCHINE FOR RAILS AND HANDLING PROCESS ASSOCIATED THERETO

HANDLING MACHINE FOR HANDLING RAILS AND HANDLING PROCESS THEREOF

MANUFACTURE OF COIL SPRINGS

COOLING SYSTEM AND COOLING METHOD OF ROLLING STEEL

Rail manufacturing method

Method for Straightening Hot Profiled Sections

Device for tempering rolled stock of great length

Proceeding when producing pieces of metal materials capable of bein...

Device for tempering rolled stock of great length