C21D3/02 - CPC Classification Index

ClassID:

118964 ⎘

C21D3/02 - CPC Classification

Classification description:

Diffusion processes for extraction of non-metals; Furnaces therefor Extraction of non-metals

Sub-classes:

C21D3/04 » Decarburising 119
C21D3/06 » Extraction of hydrogen 28
C21D3/08 » Extraction of nitrogen 10

Recent Application in this class:

20230125540

TEMPERING-FREE WEAR-RESISTANT HOT ROLLED STRIP AND METHOD FOR PRODUCING SAME

20220040783

Canister and method of production

20200270719

REDUCTION AND REMOVAL OF PROCESS OXIDES ON STAINLESS STEEL

20200243882

FUEL TANK FOR A FUEL CELL SYSTEM AND METHOD FOR PRODUCING A FUEL TANK

20170226616

Tantalum powder and process for preparing the same, and sintered anode prepared from the tantalum powder

20160305007

METHOD OF MANUFACTURING FERROUS METAL COMPONENT

20160303652

Iron powder for dust cores

20160114391

Finish heat treatment method and finish heat treatment apparatus for iron powder

20130266892

Method for reducing formation of electrically resistive layer on ferritic stainless steels

20130240091

Articles comprising ferritic stainless steels

20100116383

Method of heat treatment for desensitizing a nickel-based alloy relative to environmentally-assisted cracking, in particular for a nuclear reactor fuel assembly and for a nuclear reactor, and a part made of the alloy and subjected to the treatment

20080236710

Method for reducing formation of electrically resistive layer on ferritic stainless steels

20080131584

Method for producing porous surfaces on metal components

16940584

Canister and method of production