ClassID:

119092

C21D9/34 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims

Recent Application in this class:
#1
20250327145
2025-10-23

METHOD AND DEVICE FOR HEATING A VEHICLE WHEEL

#2
20250206063
2025-06-26

QUENCHING A WHEEL COMPRISING A HUB

#3
20250033415
2025-01-30

NON-PNEUMATIC TIRE HAVING CURVED SPOKES AND METHOD OF MAKING SAME

#4
20240270012
2024-08-15

ULTRA-LIGHTWEIGHT STEEL WHEEL FOR COMMERCIAL VEHICLE

#5
20230383385
2023-11-30

METHODS OF FORMING MAGNESIUM-BASED ALLOYS HAVING A BIMODAL MICROSTRUCTURE AND MAGNESIUM-BASED ALLOY COMPONENTS MADE THEREFROM

#6
20220185012
2022-06-16

Quenching a wheel comprising a hub

#7
20200102623
2020-04-02

Method for producing railway wheel and railway wheel

#8
20190338402
2019-11-07

METHOD FOR MANUFACTURING RAILWAY VEHICLE WHEEL

#9
20190323109
2019-10-24

High strength, high toughness, heat-cracking resistant bainite steel wheel for rail transportation and manufacturing method thereof

#10
20190176436
2019-06-13

Chassis component having high durability

#11
20190144979
2019-05-16

Low cost lean production bainitic steel wheel for rail transit, and manufacturing method therefor

#12
20190136338
2019-05-09

TEMPERATURE-CONTROL DEVICE FOR COMPONENTS

#13
20190076910
2019-03-14

Method for Manufacturing a Rim

#14
20190049183
2019-02-14

Heat treatment apparatus

#15
20180235035
2018-08-16

Electromagnetic induction heating apparatus and light alloy wheel manufacturing method

#16
20180148897
2018-05-31

Friction apparatus

#17
20180023159
2018-01-25

Charging device for the heat treatment of workpieces having a hub

#18
20170226603
2017-08-10

Method and device for producing a press-quenched part

#19
20170067133
2017-03-09

Method for heat treatment with continuous cooling of a steel reinforcement element for tires

#20
20170051375
2017-02-23

Method for the heat treatment of a steel reinforcement element for tires

#21
20150147224
2015-05-28

Steel for wheel

#22
20150017593
2015-01-15

Heat treatment method

#23
20140041771
2014-02-13

Annular workpiece quenching method and quenching apparatus used in the method

#24
20130058773
2013-03-07

Method of manufacturing material for rotary machine component, method of manufacturing rotary machine component, material for rotary machine component, rotary machine component, and centrifugal compressor

#25
20120064357
2012-03-15

TYRE BEAD WIRE AND PROCESS FOR PRODUCTION THEREOF

#26
20110024003
2011-02-03

High strength corrosion resistant steel

#27
20100276955
2010-11-04

TREATMENT OF RAILWAY WHEELS

#28
20100200127
2010-08-12

METHOD FOR THE LOCAL HARDENING OF RAILWAY WHEELSETS

#29
20090158797
2009-06-25

LASER SHOCK PROCESSED PILGER DIES

#30
20080128053
2008-06-05

METHOD OF MANUFACTURING A WELDED METAL PANEL HAVING A HIGH QUALITY SURFACE FINISH

#31
20080086886
2008-04-17

Cast aluminum wheel manufacturing and products

#32
20060172069
2006-08-03

Thermal process for wheels

#33
20060151580
2006-07-13

Coating compositions for solder spheres, powders and preforms, methods of production and uses thereof

#34
20050155673
2005-07-21

High strength hot rolled steel sheet superior in workability, fatigue property, and surface quality