C21D1/53 - CPC Classification Index

ClassID:

118938 ⎘

C21D1/53 - CPC Classification

Classification description:

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering; Methods of heating Heating in fluidised beds

Recent Application in this class:

20250019784

2025-01-16

HEATING METHOD OF A METALLIC PRODUCT

20200217499

2020-07-09

Bed medium for fluidized bed

20190040491

2019-02-07

THERMALLY TREATED METALLIC MATERIALS AND RELATED METHODS

20160175930

2016-06-23

High temperature fluidized bed for powder treatment

20130149658

2013-06-13

Fluidised bed treatment

20130149655

2013-06-13

Fluidised bed treatment

20120326362

2012-12-27

Heat treatment apparatus and a method of using such apparatus

20120211191

2012-08-23

High pressure heat treatment system

20120174406

2012-07-12

METHOD AND PRODUCTION PLANT FOR MAKING COMPONENTS FOR A MOTOR VEHICLE

#10

20110272389

2011-11-10

HEATING AND FLUIDIZATION SYSTEM FOR AIR FLUIDIZED SAND BEDS

#11

20100059148

2010-03-11

Energy efficient modular gas fluidized sand heat treating apparatus and sand return system

#12

20090206527

2009-08-20

HIGH PRESSURE HEAT TREATMENT SYSTEM

#13

20080264527

2008-10-30

Integrated metal processing facility

#14

20070289715

2007-12-20

METHODS AND APPARATUS FOR HEAT TREATMENT AND SAND REMOVAL FOR CASTINGS

#15

20060103059

2006-05-18

High pressure heat treatment system

#16

20050257858

2005-11-24

Integrated metal processing facility

#17

20050145362

2005-07-07

Methods and apparatus for heat treatment and sand removal for castings

#18

20050072549

2005-04-07

Methods and apparatus for heat treatment and sand removal for castings

#19

20050022957

2005-02-03

Methods and apparatus for heat treatment and sand removal for castings