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C21D9/24
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C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21D
MODIFYING 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
C21D9/00
Heat treatment
Current Industry
C21D9/24
for saw blades
Industries
Overview
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Manufacture of a stress relieved length of steel having an oxidised...
Patent number
11,414,738
Issue date
Aug 16, 2022
Liberty Performance Steels Limited
Carl Jukes
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
All-steel fitting
Patent number
11,414,792
Issue date
Aug 16, 2022
Groz-Beckert KG
Johannes Bruske
C21 - METALLURGY OF IRON
Information
Patent Grant
Cutting blade for an agricultural implement, and method of manufact...
Patent number
11,060,176
Issue date
Jul 13, 2021
Deere & Company
Daniel E. Derscheid
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-speed tool steel, material for tools, and method for producing...
Patent number
10,787,719
Issue date
Sep 29, 2020
Hitachi Metals, Ltd.
Shiho Fukumoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing high-speed tool steel material, method for pro...
Patent number
10,661,353
Issue date
May 26, 2020
Hitachi Metals, Ltd.
Shiho Fukumoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Tie strap with hardened integrated rivet for a saw chain
Patent number
10,195,759
Issue date
Feb 5, 2019
Blount, Inc.
Christopher D. Seigneur
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Saw blade including a cutting element made by powder metallurgy
Patent number
9,597,742
Issue date
Mar 21, 2017
WIKUS-SAEGENFABRIK WILHELM H. KULLMANN GMBH & CO. KG
Joerg H. Kullmann
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Saw wire
Patent number
8,707,944
Issue date
Apr 29, 2014
Nippon Steel & Sumitomo Metal Corporation
Mitsuru Morita
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of manufacturing an aerofoil
Patent number
7,896,221
Issue date
Mar 1, 2011
Rolls-Royce PLC
Michael J Wallis
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and device for manufacturing sawtooth card clothing and all-...
Patent number
7,743,470
Issue date
Jun 29, 2010
Graf + Cie AG
Ralph A. Graf
C21 - METALLURGY OF IRON
Information
Patent Grant
Hardening fixture
Patent number
7,060,221
Issue date
Jun 13, 2006
Kapman AB
Göran Albinsson
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the manufacturing of a saw blade
Patent number
6,470,772
Issue date
Oct 29, 2002
C. & E. Fein GmbH & Co.
Andreas Peisert
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Laser hardened steel cutting rule
Patent number
6,335,506
Issue date
Jan 1, 2002
J. F. Helmold & Brothers, Inc.
Darryl L. Christmas
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Laser hardened steel cutting rule
Patent number
6,218,642
Issue date
Apr 17, 2001
J. F. Helmold & Bro., Inc.
Darryl L. Christmas
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for the heat treatment of workpieces
Patent number
6,207,931
Issue date
Mar 27, 2001
ALD Vacuum Technologies AG
Klaus Löser
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for the heat treatment of workpieces
Patent number
6,147,328
Issue date
Nov 14, 2000
ALD Vacuum Technologies AG
Klaus Loser
C21 - METALLURGY OF IRON
Information
Patent Grant
Cryogenic and heat process for treating sintered carbide metals to...
Patent number
6,141,974
Issue date
Nov 7, 2000
Christian Clark Waldmann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for hardening selected regions of a guide bar for chain saws...
Patent number
5,943,782
Issue date
Aug 31, 1999
Sandvik AB
Arvo Leini
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
High strength steel composition having enhanced low temperature tou...
Patent number
5,772,957
Issue date
Jun 30, 1998
Blount, Inc.
Iain A. Thomson
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
High strength steel composition having enhanced low temperature tou...
Patent number
5,651,938
Issue date
Jul 29, 1997
Blount, Inc.
Iain A. Thomson
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Stainless steel sheet and method for producing thereof
Patent number
5,496,514
Issue date
Mar 5, 1996
NKK Corporation
Katsuhisa Yamauchi
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength and toughness stainless steel strip and process for t...
Patent number
5,494,537
Issue date
Feb 27, 1996
Nisshin Steel Co. Ltd.
Katsuhisa Miyakusu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Stainless steel sheet and method for producing thereof
Patent number
5,407,493
Issue date
Apr 18, 1995
NKK Corporation
Katsuhisa Yamauchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for hardening cutting edges with an oval shaped plasma beam
Patent number
5,360,495
Issue date
Nov 1, 1994
Albert Schuler
C21 - METALLURGY OF IRON
Information
Patent Grant
Multistep finishing process for saw blade teeth and a saw finishing...
Patent number
5,295,417
Issue date
Mar 22, 1994
Vollmer Werke Maschinenfabrik GmbH
Ernst Beck
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Reciprocal furnace for heating metal parts
Patent number
4,917,600
Issue date
Apr 17, 1990
American Saw & Mfg. Company
Raymond E. White
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of hardening saw teeth
Patent number
4,030,951
Issue date
Jun 21, 1977
Fuji Sangyo Kabushiki Kaisha
Toushichi Ishizawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Coated steel product and process of producing the same
Patent number
3,988,955
Issue date
Nov 2, 1976
Niels N. Engel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
3923561
Patent number
3,923,561
Issue date
Dec 2, 1975
C21 - METALLURGY OF IRON
Information
Patent Grant
3874953
Patent number
3,874,953
Issue date
Apr 1, 1975
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
CUTTING ELEMENT FOR A SAW CHAIN AND METHOD FOR THE PRODUCTION THEREOF
Publication number
20220250273
Publication date
Aug 11, 2022
Bernhard LEEB
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Steel for a Sawing Device
Publication number
20220220575
Publication date
Jul 14, 2022
HUSQVARNA AB
Adam Ståhlkrantz
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR INDUCTION HARDENING
Publication number
20220186332
Publication date
Jun 16, 2022
Liebherr-Components Bibearch GmbH
Heiko SCHWIBODE
C21 - METALLURGY OF IRON
Information
Patent Application
CUTTING BLADE FOR AN AGRICULTURAL IMPLEMENT, AND METHOD OF MANUFACT...
Publication number
20210123127
Publication date
Apr 29, 2021
Deere & Company
DANIEL E. DERSCHEID
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Steel For Monolithic And Bimetallic Band Saws For Wood
Publication number
20210017634
Publication date
Jan 21, 2021
QSGS Technology Gra?yna Klepuszewska
Jan Klepuszewski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
INTEGRATED POLYMER MATERIALS-SPECIAL SAW BLADE HAVING DIAMOND ABRAS...
Publication number
20210001421
Publication date
Jan 7, 2021
KINGWAVE SAW BLADE MANUFACTURE LTD
Xu QIN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR PRODUCING HIGH-SPEED TOOL STEEL MATERIAL, METHOD FOR PRO...
Publication number
20200246877
Publication date
Aug 6, 2020
Hitachi Metals, Ltd.
Shiho FUKUMOTO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
TOOL WITH CUTTING EDGE AND METHOD OF MANUFACTURING IT
Publication number
20200061747
Publication date
Feb 27, 2020
HANGZHOU GREAT STAR INDUSTRIAL CO., LTD.
Weiyi Wang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Manufacture of a stress relieved length of steel having an oxidised...
Publication number
20190242002
Publication date
Aug 8, 2019
LIBERTY PERFORMANCE STEELS LIMITED
Carl Jukes
C21 - METALLURGY OF IRON
Information
Patent Application
TIE STRAP WITH HARDENED INTEGRATED RIVET FOR A SAW CHAIN
Publication number
20160193749
Publication date
Jul 7, 2016
Blount, Inc.
Christopher D. Seigneur
C21 - METALLURGY OF IRON
Information
Patent Application
COOLING SYSTEMS FOR HEAT-TREATED PARTS AND METHODS OF USE
Publication number
20140367898
Publication date
Dec 18, 2014
David Hebert
C21 - METALLURGY OF IRON
Information
Patent Application
Saw Blade Including a Cutting Element Made by Powder Metallurgy
Publication number
20130298743
Publication date
Nov 14, 2013
Joerg H. Kullmann
C21 - METALLURGY OF IRON
Information
Patent Application
STRAND FOR SAW WIRE AND MANUFACTURING METHOD THEREOF
Publication number
20120318410
Publication date
Dec 20, 2012
Toshimi Tarui
C21 - METALLURGY OF IRON
Information
Patent Application
SAW WIRE
Publication number
20120216787
Publication date
Aug 30, 2012
Mitsuru Morita
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF MANUFACTURING AN AEROFOIL
Publication number
20100270360
Publication date
Oct 28, 2010
Rolls-Royce plc
Michael J. WALLIS
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
High-Speed Steel for Saw Blades
Publication number
20090123322
Publication date
May 14, 2009
Celso Antonio Barbosa
C21 - METALLURGY OF IRON
Information
Patent Application
Structure for Casehardening a Fixture of a Guide Plate of a Chain Saw
Publication number
20090072452
Publication date
Mar 19, 2009
Li-Shua Chang
C21 - METALLURGY OF IRON
Information
Patent Application
Method and device for manufacturing sawtooth card clothing and all-...
Publication number
20070028423
Publication date
Feb 8, 2007
Ralph A. Graf
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Chromium steel alloys and articles made thereof
Publication number
20040163738
Publication date
Aug 26, 2004
Oskar Pacher
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Hardening fixture
Publication number
20040036203
Publication date
Feb 26, 2004
Goran Albinsson
C21 - METALLURGY OF IRON
Information
Patent Application
Method for the manufacturing of a saw blade
Publication number
20020026857
Publication date
Mar 7, 2002
Andreas Peisert
C21 - METALLURGY OF IRON
Information
Patent Application
Laser hardened steel cutting rule
Publication number
20010015348
Publication date
Aug 23, 2001
Darryl L. Christmas
C21 - METALLURGY OF IRON