ClassID:

119156

C21D2241/01 - CPC Classification

Classification description:

Treatments in a special environment under pressure

Sub-classes:
Recent Application in this class:
#1
20240159204
2024-05-16

REINFORCED BULGING TANK OF LAUNCH VEHICLE AND MANUFACTURING METHOD THEREFOR

#2
20230243015
2023-08-03

METHOD FOR PROCESSING CORROSION RESISTANT AUSTENITIC STAINLESS STEEL

#3
20220380905
2022-12-01

A press hardening method

#4
20130185938
2013-07-25

Method for manufacturing a metal part

#5
20120211191
2012-08-23

High pressure heat treatment system

#6
20110061406
2011-03-17

METHOD OF COOLING STRETCH-FORMED-PART

#7
20090206527
2009-08-20

HIGH PRESSURE HEAT TREATMENT SYSTEM

#8
20080197546
2008-08-21

Metal heat treatment system hot-gas quenching apparatus and hot-gas heat treatment system

#9
20080029190
2008-02-07

Method For Producing Snap Disks

#10
20060272752
2006-12-07

Gas quenching method using a recycling facility

#11
20060165533
2006-07-27

Method and device for recycling gas

#12
20060157169
2006-07-20

Gas quenching cell for steel parts

#13
20060131794
2006-06-22

Hydrogen closed-cycle hardening unit

#14
20060103059
2006-05-18

High pressure heat treatment system

#15
20060086442
2006-04-27

Hot gas quenching devices, and hot gas heat treating system

#16
20060086439
2006-04-27

Clean atmosphere heat treat for coated turbine components

#17
20060048868
2006-03-09

Rapid cooling method for parts by convective and radiative transfer

#18
20060037679
2006-02-23

Atmosphere control during continuous heat treatment of metal strips

#19
20060037678
2006-02-23

Gas quenching installation and the corresponding quenching method

#20
20050104266
2005-05-19

Vacuum furnace with pressurized intensive water quench tank