ClassID:

118943

C21D1/60 - CPC Classification

Classification description:

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents Aqueous agents

Recent Application in this class:
#1
20260042138
2026-02-12

COIL SPRING MANUFACTURING METHOD

#2
20250361573
2025-11-27

QUENCHING METHOD

#3
20250250660
2025-08-07

HOT-ROLLED STEEL SHEET AND METHOD OF PRODUCING SAME, AND ELECTRIC RESISTANCE WELDED STEEL PIPE OR TUBE AND METHOD OF PRODUCING SAME

#4
20250230513
2025-07-17

QUENCHING METHOD, AND QUENCHING MACHINE

#5
20250084517
2025-03-13

HIGH STRENGTH AND HIGH FORMABILITY STEEL SHEET HAVING EXCELLENT SPOT WELDABILITY, AND METHOD FOR MANUFACTURING SAME

#6
20250073894
2025-03-06

MATERIAL PROCESSING SYSTEM AND METHOD FOR UTILIZING THE SAME

#7
20250011890
2025-01-09

Methods and Apparatuses Related to Payload Launch Vehicles

#8
20240368717
2024-11-07

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#9
20240344163
2024-10-17

Methods and Apparatuses Related to Payload Launch Vehicles

#10
20240271244
2024-08-15

System and method for producing rod-shaped steels

#11
20240253099
2024-08-01

METHOD FOR ROLLING HIGH-TOUGHNESS HIGH-STRENGTH LOW-ALLOY STEEL

#12
20240167135
2024-05-23

CARBIDE REFINING METHOD OF HIGH-CARBON HIGH-ALLOY STEEL

#13
20240026509
2024-01-25

HIGH MOLYBDENUM DUPLEX STAINLESS STEEL

#14
20240026490
2024-01-25

RAPID COOLING OF HIGH YIELD STRENGTH SHEET STEEL

#15
20240002970
2024-01-04

STEEL PLATE FOR PRESSURE VESSEL WITH EXCELLENT CRYOGENIC TOUGHNESS, AND METHOD OF MANUFACTURING SAME

#16
20230304122
2023-09-28

METHOD OF PRODUCING METAL-COATED STEEL STRIP

#17
20230271635
2023-08-31

RAILWAY AXLE

#18
20230250500
2023-08-10

Device and Method for Water Spray Quenching

#19
20230143965
2023-05-11

ALLOY MATERIAL AND METHOD FOR PRODUCING SAME

#20
20230094959
2023-03-30

Steel with Controlled Yield Ratio and Manufacturing Method therefor

#21
20220389550
2022-12-08

Alloy For High-Stress Gouging Abrasion

#22
20220282352
2022-09-08

THIN STEEL PLATE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND CTOD PROPERTIES, AND METHOD FOR MANUFACTURING SAME

#23
20220195549
2022-06-23

High-strength steels for the formation of wear-protective lubricious tribofilms directly from hydrocarbon fluids

#24
20220193843
2022-06-23

Material processing system and method for utilizing the same

#25
20220106653
2022-04-07

QUENCHING METHOD

#26
20220033931
2022-02-03

COOLING METHOD AND DEVICE FOR COOLING A WIRE AND CORRESPONDING WIRE-PROCESSING INSTALLATION

#27
20210310092
2021-10-07

Thin steel sheet and method for manufacturing the same

#28
20210299724
2021-09-30

COOLING APPARATUS

#29
20210285067
2021-09-16

MICROTREATMENT OF IRON-BASED ALLOY, APPARATUS AND METHOD THEREFOR AND ARTICLES RESULTING THEREFROM

#30
20210262053
2021-08-26

High-strength and corrosion-resistant sucker rod and preparation process thereof

#31
20210087644
2021-03-25

High pressure instantaneously uniform quench to control part properties

#32
20210032713
2021-02-04

METHOD OF PRODUCTION OF STEEL PARTS BY QUENCHING WITH TEMPERATURE EQUALIZATION AT MS

#33
20200376527
2020-12-03

Control of the water economy of a cooling path

#34
20200283865
2020-09-10

Method for preventing cracking along the surface at the inner hole of a hollow shaft during horizontal water quenching

#35
20200190613
2020-06-18

Plant and method for the thermal treatment of solids

#36
20200181730
2020-06-11

Homogenization process for coiled tubing

#37
20200122209
2020-04-23

Device for cooling metal strips or sheets

#38
20200102626
2020-04-02

Quenching heat treatment device and on-line intelligent control method for the cooling characteristics of quenching liquid

#39
20200095652
2020-03-26

Section and method for cooling a continuous line combining dry cooling and wet cooling

#40
20200071788
2020-03-05

Method and section for quick cooling of a continuous line for treating metal belts

#41
20200032367
2020-01-30

Cold rolled steel wire, method and reinforcement of flexible conduits

#42
20200017934
2020-01-16

Method and device for cooling a steel strip travelling in a continuous line cooling section

#43
20200017929
2020-01-16

AUSTENITIC STEEL ALLOY

#44
20190390314
2019-12-26

High-strength galvanized hot-rolled steel sheet and method for manufacturing same

#45
20190368014
2019-12-05

QUENCH HARDENED STEEL

#46
20190338386
2019-11-07

Method of making high strength steel crane rail

#47
20190292614
2019-09-26

Water-based quenching liquid composition and method for manufacturing metal material using same

#48
20190276913
2019-09-12

Method of continuously annealing a strip

#49
20190256937
2019-08-22

Apparatus for microtreatment of iron-based alloy

#50
20190241987
2019-08-08

Hybrid quench process for hot stamping of steel parts

#51
20190136335
2019-05-09

HIGHLY ALLOYED STAINLESS STEEL FORGINGS MADE WITHOUT SOLUTION ANNEAL

#52
20190119798
2019-04-25

Reactive quenching solutions and methods of use

#53
20190106766
2019-04-11

Method of producing metal-coated steel strip

#54
20190100815
2019-04-04

Water-soluble quenching oil composition

#55
20190048435
2019-02-14

Steel H-shape for low temperature service and manufacturing method therefor

#56
20190027914
2019-01-24

METHOD OF MANUFACTURING ELECTRICAL FEEDTHROUGH INCLUDING PROCESSES FOR REDUCING STRESS IN PACKAGES HAVING A HIGH-CTE METAL AND LOW-CTE SEALING MATERIAL INTERFACE

#57
20190017141
2019-01-17

Method of heat treating a fastening member

#58
20190002750
2019-01-03

Method of heat transfer between a metallic or non-metallic item and a heat transfer fluid

#59
20190002749
2019-01-03

Method of heat transfer between a metallic or non-metallic item and a heat transfer fluid

#60
20180371587
2018-12-27

Thick steel plate for high heat input welding and having great heat-affected area toughness and manufacturing method therefor

#61
20180371304
2018-12-27

Method of a heat transfer of a non-metallic or metallic item

#62
20180363091
2018-12-20

Thick steel plate for high heat input welding and having great heat-affected area toughness and manufacturing method therefor

#63
20180320244
2018-11-08

Track bushing

#64
20180312938
2018-11-01

Method and apparatus for continuous thermal treatment of a steel strip

#65
20180305781
2018-10-25

Systems and Methods for Manufacturing High Strength Cladded Components

#66
20180202013
2018-07-19

System and method for quenching castings

#67
20180127849
2018-05-10

HOT SHEET METAL FORMING BY GAS AND DIRECT QUENCHING

#68
20180112284
2018-04-26

Method of Making High Strength Steel Crane Rail

#69
20180085822
2018-03-29

Method for measuring and continuously monitoring the heat transfer characteristics of a fluid in a system

#70
20180073096
2018-03-15

Method for producing hollow stabilizer

#71
20180023173
2018-01-25

Water-Based Lubrication For Hot Forming

#72
20180015522
2018-01-18

HIGH-SPEED HOT FORMING AND DIRECT QUENCHING

#73
20170349962
2017-12-07

Stabilizer

#74
20170349961
2017-12-07

Production method for stabilizers

#75
20170314109
2017-11-02

ADDITIVELY MANUFACTURED HIGH-STRENGTH ALUMINUM VIA POWDER BED LASER PROCESSES

#76
20170314088
2017-11-02

Zinc-coated hot formed steel component with tailored property

#77
20170298464
2017-10-19

COOLING SYSTEMS FOR HEAT-TREATED PARTS AND METHODS OF USE

#78
20170268086
2017-09-21

RECOVERY HEAT TREATMENT OF HIGHLY STRAINED COMPONENTS

#79
20170247775
2017-08-31

System and method of making a cast part

#80
20170247633
2017-08-31

Water-based coolant

#81
20170218472
2017-08-03

High-strength steel sheet and production method for same, and production method for high-strength galvanized steel sheet

#82
20170204489
2017-07-20

METHOD OF FORMING STEEL SHEET, EQUIPMENT FOR FORMING THE SAME, AND FORMED PRODUCT

#83
20170204488
2017-07-20

Leaf spring and method of manufacture thereof having sections with different levels of through hardness

#84
20170175214
2017-06-22

Heat treatment device and cooling device

#85
20170159152
2017-06-08

Apparatuses and methods for processing a metal ribbon

#86
20170159149
2017-06-08

Hot-rolled steel sheet and production method of therefor

#87
20170145539
2017-05-25

Method of Heat Treatment of a Metal Material

#88
20170137062
2017-05-18

STRUCTURAL MEMBER FOR AUTOMOBILE BODY

#89
20170130288
2017-05-11

STABILIZER STEEL HAVING HIGH STRENGTH AND EXCELLENT CORROSION RESISTANCE, VEHICLE STABILIZER EMPLOYING SAME, AND METHOD FOR MANUFACTURING SAME

#90
20170129556
2017-05-11

Nitrided track pin for track chain assembly of machine

#91
20170121789
2017-05-04

Method for manufacturing austenite-ferrite stainless steel with improved machinability

#92
20170107588
2017-04-20

Composition design and processing methods of high strength, high ductility, and high corrosion resistance FeMnA1C alloys

#93
20170088911
2017-03-30

Hardfacing process and parts produced thereby

#94
20170058374
2017-03-02

Hardening method of annular workpiece

#95
20170048931
2017-02-16

Molding apparatus

#96
20170044721
2017-02-16

Hypereutectoid steel rail and preparation method thereof

#97
20160376677
2016-12-29

Method for producing a tempered seamlessly hot-fabricated steel pipe

#98
20160376676
2016-12-29

Method for Manufacturing a Golf Club Head

#99
20160376675
2016-12-29

H-section steel and method of producing the same

#100
20160369362
2016-12-22

Low alloy high performance steel

#101
20160355903
2016-12-08

Apparatus for continuous annealing of strip and method for continuous annealing of same

#102
20160348206
2016-12-01

METHOD FOR RESTORING THE STRUCTURE OF A STEEL COMPONENT AFTER HEATING AND STEEL COMPONENT OBTAINED BY THE METHOD

#103
20160348205
2016-12-01

METHOD FOR RESTORING THE STRUCTURE OF A STEEL COMPONENT AFTER HEATING AND STEEL COMPONENT OBTAINED BY THE METHOD

#104
20160344022
2016-11-24

Metal hydride alloys with improved rate performance

#105
20160319392
2016-11-03

Cold rolled steel wire, method and reinforcement of flexible conduits

#106
20160304984
2016-10-20

Method for continuous thermal treatment of a steel strip

#107
20160304979
2016-10-20

Materials that provide bioresistance and/or defoaming and slower cooling properties for aqueous quenchants

#108
20160303727
2016-10-20

Production method for a tool socket

#109
20160281196
2016-09-29

High Strength Dual-Phase TRIP Steel and Method for Making Same

#110
20160276077
2016-09-22

Magnetic copper alloys

#111
20160230247
2016-08-11

NON QUENCHED AND TEMPERED STEEL AND MANUFACTURING PROCESS THEREOF

#112
20160215358
2016-07-28

NON QUENCHED AND TEMPERED STEEL AND MANUFACTURING PROCESS THEREOF

#113
20160208358
2016-07-21

NON QUENCHED AND TEMPERED STEEL AND MANUFACTURING PROCESS THEREOF

#114
20160208357
2016-07-21

PROCESS FOR PRODUCING NON QUENCHED AND TEMPERED STEEL

#115
20160208356
2016-07-21

NON QUENCHED AND TEMPERED STEEL AND MANUFACTURING PROCESS THEREOF

#116
20160208355
2016-07-21

Method of manufacturing hot press formed part, and hot press formed part

#117
20160208354
2016-07-21

Heat treatment method for steel material

#118
20160207099
2016-07-21

Manufacturing method of core and casting product using inorganic binder

#119
20160194730
2016-07-07

HIGH-IMPACT-TOUGHNESS STEEL RAIL AND PRODUCTION METHOD THEREOF

#120
20160194729
2016-07-07

HIGH-STRENGTH AND HIGHLY FATIGUE-RESISTANT STEEL RAIL AND PRODUCTION METHOD THEREOF

#121
20160168658
2016-06-16

METHOD OF PRODUCING METAL-COATED STEEL STRIP

#122
20160145120
2016-05-26

Component recovery from metal quenching bath or spray

#123
20160138126
2016-05-19

High strength hot rolled steel sheet and method for manufacturing the same

#124
20160129853
2016-05-12

Motor vehicle moulding ring made from aluminium/magnesium alloy

#125
20160129489
2016-05-12

A WIRE ROD HAVING TENSILE STRENGTH OF 950 TO 1600MPa FOR MANUFACTURING A STEEL WIRE FOR A PEARLITE STRUCTURE BOLT, A STEEL WIRE HAVING TENSILE STRENGTH OF 950 TO 1600MPa FOR A PEARLITE STRUCTURE BOLT, A PEARLITE STRUCTURE BOLT, AND MANUFACTURING METHOD FOR THE SAME

#126
20160122844
2016-05-05

HT550 steel plate with ultrahigh toughness and excellent weldability and manufacturing method of the same

#127
20160108505
2016-04-21

METHOD FOR PRODUCING STARTING MATERIAL FOR CUTTING

#128
20160083813
2016-03-24

System and method for quenching castings

#129
20160068922
2016-03-10

Hardened titanium structure for transmission gear applications

#130
20160060721
2016-03-03

Abrasion resistant steel plate having excellent low-temperature toughness and hydrogen embrittlement resistance and method for manufacturing the same

#131
20160052080
2016-02-25

Method for making clad metal pipe

#132
20160047009
2016-02-18

System for thermal treatment of rails

#133
20160032432
2016-02-04

High-performance low-alloy wear-resistant steel plate and method of manufacturing the same

#134
20160017454
2016-01-21

Hardfacing process and parts produced thereby

#135
20160002759
2016-01-07

High-toughness low alloy wear-resistant steel sheet and method of manufacturing method thereof the same

#136
20150376727
2015-12-31

METHOD FOR THE MANUFACTURING OF ELEMENTS OF NON-FERROUS METAL ALLOYS, ADVANTAGEOUSLY ALUMINIUM ALLOYS

#137
20150251268
2015-09-10

Electric resistance welded steel pipe or steel tube having excellent HIC resistance and low-temperature toughness in electric resistance welded part, and method for manufacturing the same

#138
20150247227
2015-09-03

Method for manufacturing heavy wall steel pipe

#139
20150224551
2015-08-13

Nozzle header, cooling apparatus, manufacturing apparatus of hot-rolled steel sheet, and method for manufacturing hot-rolled steel sheet

#140
20150204071
2015-07-23

H-Section steel

#141
20150191806
2015-07-09

Ultrahigh-strength, high-toughness, wear-resistant steel plate and manufacturing method thereof

#142
20150144228
2015-05-28

Quenched steel pipe member, vehicle axle beam using quenched steel pipe member, and method for manufacturing quenched steel pipe member

#143
20150091225
2015-04-02

Leaf spring and method of manufacture thereof having sections with different levels of through hardness

#144
20150079419
2015-03-19

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#145
20150047758
2015-02-19

Method and apparatus of manufacturing high strength cold rolled steel sheet

#146
20150044500
2015-02-12

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#147
20150000710
2015-01-01

WATER-BASED COOLANT

#148
20140367898
2014-12-18

COOLING SYSTEMS FOR HEAT-TREATED PARTS AND METHODS OF USE

#149
20140246132
2014-09-04

Aqueous quenching media and use thereof in quenching metal substrates

#150
20140166161
2014-06-19

Heat-resistant Al—Cu—Mg—Ag alloy and process for producing a semifinished part or product composed of such an aluminum alloy

#151
20140159286
2014-06-12

Rod or wire manufacturing system, related methods, and related products

#152
20140124503
2014-05-08

Method and apparatus for heating steel sheet

#153
20140116576
2014-05-01

System and method of making a cast part

#154
20130269843
2013-10-17

Method for heat-treating a cast component

#155
20130087256
2013-04-11

Steel wire with high strength for cold forging to improve service life of mold and method of manufacturing the same

#156
20130081740
2013-04-04

Composition design and processing methods of high strength, high ductility, and high corrosion resistance FeMnAlC alloys

#157
20130001461
2013-01-03

Aqueous heat treatment liquid composition

#158
20120318305
2012-12-20

Device and Method for Controllably Cooling Metal Billets to be Hot Extruded

#159
20120186320
2012-07-26

METHOD AND MACHINE TOOL FOR THE PROCESSING AND HARDENING OF METALLIC WORKPIECES

#160
20120156520
2012-06-21

Hardfacing process and parts produced thereby

#161
20120118446
2012-05-17

AQUEOUS METAL QUENCHING MEDIUM

#162
20120107644
2012-05-03

Localized Induction Heating For Residual Stress Optimization

#163
20120041726
2012-02-16

Method for simulating transient heat transfer and temperature distribution of aluminum castings during water quenching

#164
20110186190
2011-08-04

Thermal mechanical treatment of martensitic stainless steel

#165
20110094638
2011-04-28

Aqueous quenching media and use thereof in quenching metal substrates

#166
20100200123
2010-08-12

Hardened titanium structure for transmission gear applications

#167
20100132854
2010-06-03

Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom

#168
20100065169
2010-03-18

Metal quenching medium

#169
20100018615
2010-01-28

Thermal mechanical treatment of ferrous alloys, and related alloys and articles

#170
20090308503
2009-12-17

Rod or wire manufacturing system, related methods, and related products

#171
20090288743
2009-11-26

Method for quenching steel

#172
20090211670
2009-08-27

Cooling apparatus for a hot rolled steel strip and methods for cooling a hot rolled steel strip

#173
20090183804
2009-07-23

Localized induction heating for residual stress optimization

#174
20090095384
2009-04-16

AQUEOUS QUENCHING MEDIA AND USE THEREOF IN QUENCHING METAL SUBSTRATES

#175
20090065107
2009-03-12

Polymeric quenchant, manufacture thereof, and method for quenching steel

#176
20090038715
2009-02-12

Water-cooling method of steel material

#177
20080277035
2008-11-13

Method and Device for Quenching Flat Steel Products

#178
20080011394
2008-01-17

Thermodynamic metal treating apparatus and method

#179
20070113937
2007-05-24

Forging quench

#180
20070057227
2007-03-15

Metal quenching medium

#181
20060283530
2006-12-21

Hot-shaping and hardening a workpiece

#182
20060169374
2006-08-03

Process for the production of an articulated structural part having improved wear resistance

#183
20060060271
2006-03-23

Cooling device, manufacturing method, and manufacturing line for hot rolled steel band

#184
20050217820
2005-10-06

Method and apparatus for cooling foundry castings

#185
20050205167
2005-09-22

Method for surface treatment of sheets and strips of aluminium alloy

#186
20050104266
2005-05-19

Vacuum furnace with pressurized intensive water quench tank

#187
20050012250
2005-01-20

Forging quench

#188
17175270
2022-11-15

Directed quench systems and components