ClassID:

118934

C21D1/46 - CPC Classification

Classification description:

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering; Methods of heating in heat-treatment baths Salt baths

Recent Application in this class:
#1
20220364195
2022-11-17

METHOD OF MANUFACTURING CAM PIECE FOR CONTINUOUSLY VARIABLE VALVE DURATION AND CAM PIECE MANUFACTURED THEREFROM

#2
20200299793
2020-09-24

POST-FABRICATION FORGING TREATMENT

#3
20200181726
2020-06-11

Method of manufacturing cam piece for continuously variable valve duration and cam piece manufactured therefrom

#4
20180236553
2018-08-23

Sliding member and method for producing same

#5
20170342521
2017-11-30

Alloy steel composition and producing method thereof

#6
20170101696
2017-04-13

Excellent workability steel wire rod and method for production of same

#7
20160244858
2016-08-25

WIRE ROD, HYPEREUTECTOID BAINITE STEEL WIRE, AND METHOD FOR MANUFACTURING THEREOF

#8
20150368743
2015-12-24

Thermal treatment process of a steel sheet and device for its implementation

#9
20150368730
2015-12-24

Method of treatment of a running ferrous alloy sheet and treatment line for its implementation

#10
20150176113
2015-06-25

Partial heat treatment method in salt bath at low temperature

#11
20110254243
2011-10-20

Hardening of flexible trailing arms

#12
20100218859
2010-09-02

HIGH CARBON STEEL SHEET SUPERIOR IN FATIUGUE LIFEAND MANUFACTURING METHOD THEREOF

#13
20100189997
2010-07-29

Stainless steel member for a fuel cell

#14
20100108198
2010-05-06

Method for hardening the surfaces of work pieces made of stainless steel, and a molten salt bath for realizing the method

#15
20090320971
2009-12-31

Method for manufacturing spheroidal cast iron mechanical components

#16
20070102074
2007-05-10

Method for heat treating cast parts produced from a light metal melt, in particular an aluminium melt

#17
14645873
2019-01-22

Method of modifying a physical property of an endodontic instrument