ClassID:

118793

C21B2200/00 - CPC Classification

Classification description:

Recycling of non-gaseous waste material

Recent Application in this class:
#1
20260043110
2026-02-12

PROCESS FOR HEAVY METAL REMOVAL FROM IRON- AND STEELMAKING FLUE DUST

#2
20250388986
2025-12-25

Silicon Reduction of Iron Oxide

#3
20250146091
2025-05-08

METHOD FOR TREATING STEEL MILL SLAG

#4
20250027178
2025-01-23

FACILITY FOR PRODUCING REDUCED IRON AND METHOD FOR PRODUCING REDUCED IRON

#5
20240102118
2024-03-28

System and method for delivering fluidized powder based on flue gas carrying waste slag and instant cooling steel slag

#6
20230272495
2023-08-31

METHOD FOR OPERATING A METALLURGIC PLANT FOR PRODUCING IRON PRODUCTS

#7
20230002853
2023-01-05

Production of Iron

#8
20230002852
2023-01-05

Production of iron

#9
20210238700
2021-08-05

PLANT COMPLEX FOR PRODUCING STEEL AND A METHOD FOR OPERATING THE PLANT COMPLEX

#10
20210091388
2021-03-25

METHOD AND EQUIPMENT FOR RECYCLING USED CELLS AND RECHARGEABLE BATTERIES

#11
20200222954
2020-07-16

Process for the purification of waste materials or industrial by-products comprising chlorine

#12
20200087742
2020-03-19

Operating method of an iron making installation and associated operating installation

#13
20190241990
2019-08-08

Production of iron

#14
20190169703
2019-06-06

GLASS-MAKING-QUALITY GRANULATED SLAG PROCESS

#15
20180312933
2018-11-01

Method of simultaneously recycling plastics and detoxifying chromite ore processing residue by residual heat from steel slag

#16
20180087120
2018-03-29

METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING BATH SMELTING FURNACE

#17
20180036803
2018-02-08

System and process for dry recovery of iron oxide fines from iron bearing compacted and semicompacted rocks

#18
20170247772
2017-08-31

Composite Particle For Steel Making and Ore Refining

#19
20170051369
2017-02-23

Method for recycling-processing of dust generated in converter furnace, and method for manufacturing steel

#20
20160347615
2016-12-01

Phosphorus and calcium collection method, and mixture produced by said collection method

#21
20160318037
2016-11-03

PROCESS AND SYSTEM FOR DRY RECOVERY OF FINE-AND SUPERFINE-GRAINED PARTICLES OF OXIDIZED IRON ORE AND A MAGNETIC SEPARATION UNIT

#22
20150007696
2015-01-08

Method of recovering Fe from steel-making slag

#23
20140374970
2014-12-25

Electric arc furnace dust recycling apparatus and method

#24
20140352494
2014-12-04

Methods and systems for producing ferro-chrome in a duplex furnace

#25
20130042722
2013-02-21

Electric arc furnace dust recycling apparatus and method

#26
20130032005
2013-02-07

BENTONITE-BOUND COMPACTS OF UNDERSIZED OXIDIC IRON CARRIERS

#27
20120100034
2012-04-26

Process for producing sponge iron

#28
20120031236
2012-02-09

METHOD AND INSTALLATION FOR PRODUCING DIRECT REDUCED IRON

#29
20110036204
2011-02-17

METHOD FOR PRODUCING REDUCED IRON

#30
20100192726
2010-08-05

Method for reduction treatment of electric furnace dust

#31
20100139456
2010-06-10

Reduction treatment apparatus and method of reduction treatment

#32
20090312448
2009-12-17

Method of agglomeration

#33
20090193933
2009-08-06

Pre-Processing Materials Using Encapsulation Technologies

#34
20090169413
2009-07-02

Process for recycling of steel industry iron bearing by-products, pellet obtained in that process and use thereof

#35
20090077891
2009-03-26

METHOD FOR PRODUCING FUEL GAS

#36
20090077889
2009-03-26

GASIFIER