C21D9/673 - CPC Classification Index

ClassID:

119126 ⎘

C21D9/673 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length; Furnaces for treating strips or wire; Bell-type furnaces Details, accessories, or equipment peculiar to bell-type furnaces

Recent Application in this class:

20190003771

Heating furnace for heating annular component

20160305191

Insulation enclosure with compliant independent members

20160138124

Jig and heating apparatus with a jig

20160138121

Heating apparatus, heat treatment apparatus, and heating method

20150017593

Heat treatment method

20150001769

Batch annealing furnace for coils

20130318970

Method and configuration for the recovery of thermal energy in the heat treatment of cold-rolled steel strip in a hood-type annealing furnace

20120234824

Heating apparatus, heat treatment apparatus, and heating method

20120211191

High pressure heat treatment system

20110057365

Apparatus for bracing of sheet-metal joints in a high-temperature annealing furnace

20090261077

HEAT TREATMENT HOLDER AND HEAT TREATMENT APPARATUS AND METHOD

20090206527

HIGH PRESSURE HEAT TREATMENT SYSTEM

20080029191

Apparatus and method for coil cooling

20060103059

High pressure heat treatment system