for knives, scythes, scissors, or like hand cutting tools

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CPC
C21D9/18

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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

C21D9/18for knives, scythes, scissors, or like hand cutting tools

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing kitchen knife by using multilayer material
- Patent number 12,064,837
- Issue date Aug 20, 2024
- Kongju National University Industry-University Cooperation Foundation
- Nam Chul Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manufacturing method of a cutting member
- Patent number 11,577,303
- Issue date Feb 14, 2023
- Hangzhou Great Star Industrial Co., Ltd.
- Weiyi Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Blade material
- Patent number 11,306,370
- Issue date Apr 19, 2022
- Hitachi Metals, Ltd.
- Kazuhiro Yamamura
- C21 - METALLURGY OF IRON
Information Patent Grant
Tool steel having strength and high impact toughness
- Patent number 11,008,634
- Issue date May 18, 2021
- Korea Institute of Industrial Technology
- Min-Ha Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Reciprocating cutting blade with cladding
- Patent number 10,648,051
- Issue date May 12, 2020
- Kondex Corporation
- Neal J. Stoffel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Steel strip for cutlery
- Patent number 10,196,718
- Issue date Feb 5, 2019
- Hitachi Metals, Ltd.
- Norihide Fukuzawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Creping blade and method for its manufacturing
- Patent number 9,896,802
- Issue date Feb 20, 2018
- VOESTALPINE PRECISION STRIP AB
- Chris Millward
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing steel for blades
- Patent number 9,783,866
- Issue date Oct 10, 2017
- Hitachi Metals, Ltd.
- Shinichiro Fukada
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel highly resistant to corrosion, and meth...
- Patent number 9,731,345
- Issue date Aug 15, 2017
- Posco
- Ki-Hoon Jo
- C21 - METALLURGY OF IRON
Information Patent Grant
Cutting members for shaving razors
- Patent number 9,446,443
- Issue date Sep 20, 2016
- The Gillette Company
- William Scott Masek
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of treating parts for kitchen utensils
- Patent number 9,234,269
- Issue date Jan 12, 2016
- H.E.F.
- Herve Chavanne
- C21 - METALLURGY OF IRON
Information Patent Grant
Tools with a thermo-mechanically modified working region and method...
- Patent number 9,132,567
- Issue date Sep 15, 2015
- Dayton Progress Corporation
- Christon L. Shepard
- C21 - METALLURGY OF IRON
Information Patent Grant
Cutting members for shaving razors
- Patent number 8,752,300
- Issue date Jun 17, 2014
- The Gillette Company
- William Scott Masek
- C21 - METALLURGY OF IRON
Information Patent Grant
Knife blade manufacturing process
- Patent number 8,601,907
- Issue date Dec 10, 2013
- Kai U.S.A., Ltd.
- Darrell Lewis
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cutting members for shaving razors
- Patent number 8,499,462
- Issue date Aug 6, 2013
- The Gillette Company
- William Masek
- C21 - METALLURGY OF IRON
Information Patent Grant
Solid state processing of hand-held knife blades to improve blade p...
- Patent number 8,186,561
- Issue date May 29, 2012
- Megastir Technologies, LLC
- Charles E. Allen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cutting die and method of forming
- Patent number 7,827,883
- Issue date Nov 9, 2010
- Bernal, Inc.
- Tzyh-Chyang Cherng
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Martensitic stainless steel and method of the manufacture
- Patent number 7,758,707
- Issue date Jul 20, 2010
- Outokumpu Oyj
- Chris Millward
- C21 - METALLURGY OF IRON
Information Patent Grant
Sreading knives, doctor blades and crepe scrapers and powder metall...
- Patent number 7,722,697
- Issue date May 25, 2010
- Böhler-Uddeholm Precision Strip GmbH & Co. KG
- Manfred Daxelmüller
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel alloy for cutting tools
- Patent number 7,655,101
- Issue date Feb 2, 2010
- Boehler Edelstahl GmbH
- Ernst Putzgruber
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for induction hardening
- Patent number 6,903,316
- Issue date Jun 7, 2005
- Forward Technology
- Brian Kivisto
- C21 - METALLURGY OF IRON
Information Patent Grant
Steelmaking process
- Patent number 6,273,973
- Issue date Aug 14, 2001
- ATI Properties, Inc.
- Thomas R. Parayil
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel and a heat treated tool thereof manufactured by an integrated...
- Patent number 6,162,275
- Issue date Dec 19, 2000
- Erasteel Kloster Aktiebolag
- Karin Jonsson
- C21 - METALLURGY OF IRON
Information Patent Grant
Knives for slicers
- Patent number 5,955,208
- Issue date Sep 21, 1999
- Toyo Hamono Co. Ltd.
- Masao Takahashi
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
High hardness boron steel rotary blade
- Patent number 5,916,114
- Issue date Jun 29, 1999
- Fisher-Barton, Inc.
- Darrel L. Turner
- C21 - METALLURGY OF IRON
Information Patent Grant
Rotary cutting blade having a laser hardened cutting edge and a met...
- Patent number 5,906,053
- Issue date May 25, 1999
- Fisher-Barton, Inc.
- Darrel L. Turner
- C21 - METALLURGY OF IRON
Information Patent Grant
High hardness boron steel rotary blade
- Patent number 5,899,052
- Issue date May 4, 1999
- Fisher-Barton, Inc.
- Darrel L. Turner
- C21 - METALLURGY OF IRON
Information Patent Grant
Razor blade steel having high corrosion resistance, razor blades an...
- Patent number 5,433,801
- Issue date Jul 18, 1995
- Wolfgang Althaus
- C21 - METALLURGY OF IRON
Information Patent Grant
Knife blades
- Patent number 5,431,071
- Issue date Jul 11, 1995
- McPherson's Limited
- David M. Williams
- 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

Patents Applicationslast 30 patents

Information Patent Application
MARTENSITTC STEEL AND METHOD OF MANUFACTURING A MARTENSITIC STEEL
- Publication number 20240141465
- Publication date May 2, 2024
- VILLARES METALS S.A.
- Alexandre BELLEGARD FARINA
- C21 - METALLURGY OF IRON
Information Patent Application
Feather-Indented Knives and Methods of Production
- Publication number 20230381985
- Publication date Nov 30, 2023
- Max Albert
- C21 - METALLURGY OF IRON
Information Patent Application
Production method of novel austenitic stainless steel kitchen knive...
- Publication number 20230330800
- Publication date Oct 19, 2023
- Haifa Zheng
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STEEL FOR KNIVES, STEEL FOR MARTENSITIC KNIVES, KNIFE, AND PRODUCTI...
- Publication number 20220340988
- Publication date Oct 27, 2022
- Hitachi Metals, Ltd.
- Kentaro FUKUMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
RAZOR BLADE AND COMPOSITION FOR A RAZOR BLADE
- Publication number 20220250266
- Publication date Aug 11, 2022
- EDGEWELL PERSONAL CARE BRANDS, LLC.
- William Salvatore
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING KITCHEN KNIFE BY USING MULTILAYER MATERIAL...
- Publication number 20210094132
- Publication date Apr 1, 2021
- Kongju National University Industry-University Cooperation Foundation
- Nam Chul Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SUPER-HIGH-STRENGTH TOOL STEEL HAVING HIGH IMPACT TOUGHNESS AND MET...
- Publication number 20200102622
- Publication date Apr 2, 2020
- KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Min-Ha LEE
- 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
METHODS FOR MANUFACTURING ULTRA-HARD AND WEAR-RESISTANT COMPOSITE B...
- Publication number 20190226043
- Publication date Jul 25, 2019
- BMAN MANUFACTURING (ZHE JIANG) CO., LTD.
- Yu-chang CHIEN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
BLADE MATERIAL
- Publication number 20190211418
- Publication date Jul 11, 2019
- Hitachi Metals, Ltd.
- Kazuhiro YAMAMURA
- C21 - METALLURGY OF IRON
Information Patent Application
MARTENSITIC STAINLESS STEEL, METHOD FOR THE PRODUCTION OF A SEMI-FI...
- Publication number 20180127858
- Publication date May 10, 2018
- APERAM
- Francis Chassagne
- C21 - METALLURGY OF IRON
Information Patent Application
Multilayer Cutting Blade Having a Stainless Steel Core
- Publication number 20160333436
- Publication date Nov 17, 2016
- SEB S.A.
- Simon Allemand
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
RECIPROCATING CUTTING BLADE WITH CLADDING
- Publication number 20160309648
- Publication date Oct 27, 2016
- Kondex Corporation
- Neal J. Stoffel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
METHOD FOR PRODUCING STEEL FOR BLADES
- Publication number 20160032418
- Publication date Feb 4, 2016
- Hitachi Metals, Ltd.
- Shinichiro Fukada
- C21 - METALLURGY OF IRON
Information Patent Application
LASER HARDENED KNIFE GUARD
- Publication number 20150082764
- Publication date Mar 26, 2015
- Kondex Corporation
- Keith A. Johnson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
STAINLESS STEEL FOR CUTLERY AND METHOD OF MANUFACTURING THE SAME
- Publication number 20140294662
- Publication date Oct 2, 2014
- Hitachi Metals, Ltd.
- Tomonori Ueno
- C21 - METALLURGY OF IRON
Information Patent Application
CUTTING MEMBERS FOR SHAVING RAZORS
- Publication number 20140245865
- Publication date Sep 4, 2014
- The Gillette Company
- William Scott Masek
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
BLADE SHAPED TOOL AND METHOD FOR ITS MANUFACTURING
- Publication number 20140000467
- Publication date Jan 2, 2014
- Allan Lunnerfjord
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
HIGH THERMAL DIFFUSIVITY AND HIGH WEAR RESISTANCE TOOL STEEL
- Publication number 20140000770
- Publication date Jan 2, 2014
- ROVALMA, S.A.
- Isaac Valls Anglés
- C21 - METALLURGY OF IRON
Information Patent Application
Martensitic Stainless Steel Highly Resistant to Corrosion, and Meth...
- Publication number 20130309126
- Publication date Nov 21, 2013
- POSCO
- Ki-Hoon Jo
- C21 - METALLURGY OF IRON
Information Patent Application
CUTTING MEMBERS FOR SHAVING RAZORS
- Publication number 20130276588
- Publication date Oct 24, 2013
- William Scott Masek
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Decorative Steel Composition Having a Textured Cyrstalline Surface
- Publication number 20130042948
- Publication date Feb 21, 2013
- UT-Battelle, LLC
- Lynn A. Boatner
- C30 - CRYSTAL GROWTH
Information Patent Application
Martensitic Stainless Steel Produced by a Twin Roll Strip Casting P...
- Publication number 20120237390
- Publication date Sep 20, 2012
- POSCO
- Seong-In Jeong
- C21 - METALLURGY OF IRON
Information Patent Application
SOLID STATE PROCESSING OF HAND-HELD KNIFE BLADES TO IMPROVE BLADE P...
- Publication number 20120227546
- Publication date Sep 13, 2012
- DIAMOND BLADE, LLC
- Charles E. Allen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF TREATING PARTS FOR KITCHEN UTENSILS
- Publication number 20110315275
- Publication date Dec 29, 2011
- H.E.F.
- Herve Chavanne
- C21 - METALLURGY OF IRON
Information Patent Application
GRANULATOR BLADES WITH A HIGH WEAR RESISTANCE AND SHARPENING METHOD...
- Publication number 20110253826
- Publication date Oct 20, 2011
- POLIMERI EUROPA S.p.A.
- Riccardo Felisari
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD OF MANUFACTURING A BLADE WITH HIGH HARDNESS NITRIDE LAYER
- Publication number 20090194203
- Publication date Aug 6, 2009
- Akiko Hirai
- C21 - METALLURGY OF IRON
Information Patent Application
TOOLS WITH A THERMO-MECHANICALLY MODIFIED WORKING REGION AND METHOD...
- Publication number 20080229893
- Publication date Sep 25, 2008
- DAYTON PROGRESS CORPORATION
- Christon L. Shepard
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL ALLOY FOR CUTTING TOOLS
- Publication number 20080101980
- Publication date May 1, 2008
- BOEHLER EDELSTAHL GMBH
- Ernst Putzgruber
- C21 - METALLURGY OF IRON
Information Patent Application
Steel Strip for Spreading Knives, Doctor Blades and Crepe Scrapers...
- Publication number 20080096037
- Publication date Apr 24, 2008
- Manfred Daxelmuller
- C21 - METALLURGY OF IRON

for knives, scythes, scissors, or like hand cutting tools

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for manufacturing kitchen knife by using multilayer material

Manufacturing method of a cutting member

Blade material

Tool steel having strength and high impact toughness

Reciprocating cutting blade with cladding

Steel strip for cutlery

Creping blade and method for its manufacturing

Method for producing steel for blades

Martensitic stainless steel highly resistant to corrosion, and meth...

Cutting members for shaving razors

Method of treating parts for kitchen utensils

Tools with a thermo-mechanically modified working region and method...

Cutting members for shaving razors

Knife blade manufacturing process

Cutting members for shaving razors

Solid state processing of hand-held knife blades to improve blade p...

Cutting die and method of forming

Martensitic stainless steel and method of the manufacture

Sreading knives, doctor blades and crepe scrapers and powder metall...

Steel alloy for cutting tools

Method and apparatus for induction hardening

Steelmaking process

Steel and a heat treated tool thereof manufactured by an integrated...

Knives for slicers

High hardness boron steel rotary blade

Rotary cutting blade having a laser hardened cutting edge and a met...

High hardness boron steel rotary blade

Razor blade steel having high corrosion resistance, razor blades an...

Knife blades

Process for hardening cutting edges with an oval shaped plasma beam

Patents Applicationslast 30 patents

MARTENSITTC STEEL AND METHOD OF MANUFACTURING A MARTENSITIC STEEL

Feather-Indented Knives and Methods of Production

Production method of novel austenitic stainless steel kitchen knive...

STEEL FOR KNIVES, STEEL FOR MARTENSITIC KNIVES, KNIFE, AND PRODUCTI...

RAZOR BLADE AND COMPOSITION FOR A RAZOR BLADE

METHOD FOR MANUFACTURING KITCHEN KNIFE BY USING MULTILAYER MATERIAL...

SUPER-HIGH-STRENGTH TOOL STEEL HAVING HIGH IMPACT TOUGHNESS AND MET...

TOOL WITH CUTTING EDGE AND METHOD OF MANUFACTURING IT

METHODS FOR MANUFACTURING ULTRA-HARD AND WEAR-RESISTANT COMPOSITE B...

BLADE MATERIAL

MARTENSITIC STAINLESS STEEL, METHOD FOR THE PRODUCTION OF A SEMI-FI...

Multilayer Cutting Blade Having a Stainless Steel Core

RECIPROCATING CUTTING BLADE WITH CLADDING

METHOD FOR PRODUCING STEEL FOR BLADES

LASER HARDENED KNIFE GUARD

STAINLESS STEEL FOR CUTLERY AND METHOD OF MANUFACTURING THE SAME

CUTTING MEMBERS FOR SHAVING RAZORS

BLADE SHAPED TOOL AND METHOD FOR ITS MANUFACTURING

HIGH THERMAL DIFFUSIVITY AND HIGH WEAR RESISTANCE TOOL STEEL

Martensitic Stainless Steel Highly Resistant to Corrosion, and Meth...

CUTTING MEMBERS FOR SHAVING RAZORS

Decorative Steel Composition Having a Textured Cyrstalline Surface

Martensitic Stainless Steel Produced by a Twin Roll Strip Casting P...

SOLID STATE PROCESSING OF HAND-HELD KNIFE BLADES TO IMPROVE BLADE P...

METHOD OF TREATING PARTS FOR KITCHEN UTENSILS

GRANULATOR BLADES WITH A HIGH WEAR RESISTANCE AND SHARPENING METHOD...

METHOD OF MANUFACTURING A BLADE WITH HIGH HARDNESS NITRIDE LAYER

TOOLS WITH A THERMO-MECHANICALLY MODIFIED WORKING REGION AND METHOD...

STEEL ALLOY FOR CUTTING TOOLS

Steel Strip for Spreading Knives, Doctor Blades and Crepe Scrapers...