ClassID:

119732

C22C33/0271 - CPC Classification

Classification description:

Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5% with only C, Mn, Si, P, S, As as alloying elements, e.g. carbon steel

Recent Application in this class:
#1
20260131376
2026-05-14

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#2
20260054312
2026-02-26

TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#3
20260048434
2026-02-19

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#4
20260034581
2026-02-05

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#5
20260001124
2026-01-01

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#6
20250353076
2025-11-20

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#7
20250083980
2025-03-13

TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#8
20250083232
2025-03-13

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#9
20250083231
2025-03-13

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#10
20250083230
2025-03-13

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#11
20250083224
2025-03-13

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#12
20250083223
2025-03-13

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#13
20240117478
2024-04-11

STAINLESS STEEL POWDER FOR PRODUCING DUPLEX SINTERED STAINLESS STEEL

#14
20210214812
2021-07-15

Method and apparatus for the production of cast iron, cast iron produced according to said method

#15
20210147967
2021-05-20

Iron based alloy suitable for providing a hard and wear resistant coating on a substrate, article having a hard and wear resistant coating, and method for its manufacture

#16
20200139431
2020-05-07

WEAR RESISTANT MATERIAL AND SYSTEM AND METHOD OF CREATING A WEAR RESISTANT MATERIAL

#17
20190309399
2019-10-10

STAINLESS STEEL POWDER FOR PRODUCING DUPLEX SINTERED STAINLESS STEEL

#18
20190237229
2019-08-01

Soft magnetic alloy and magnetic device

#19
20190040481
2019-02-07

Tool steel articles from additive manufacturing

#20
20180274047
2018-09-27

Method and apparatus for the production of cast iron, cast iron produced according to said method

#21
20170276022
2017-09-28

Bearing ring and layer by layer method for manufacturing a bearing ring

#22
20130089454
2013-04-11

Component having reduced metal adhesion

#23
20120321500
2012-12-20

Free-machining powder metallurgy steel articles and method of making same

#24
20120048063
2012-03-01

HIGH COMPRESSIBILITY IRON POWDER, AND IRON POWDER FOR DUST CORE AND DUST CORE USING THE SAME

#25
20110284794
2011-11-24

METHOD OF MANUFACTURING POWDER FOR DUST CORE, DUST CORE MADE OF THE POWDER FOR DUST CORE MANUFACTURED BY THE METHOD, AND APPARATUS FOR MANUFACTURING POWDER FOR DUST CORE

#26
20110206551
2011-08-25

FERROUS SINTERED ALLOY AND PROCESS FOR PRODUCING THE SAME AS WELL AS FERROUS-SINTERED-ALLOY MEMBER

#27
20100162851
2010-07-01

Sintered soft magnetic powder molded body

#28
20100068547
2010-03-18

Free-machining powder metallurgy steel articles and method of making same

#29
20090064819
2009-03-12

Fe-based sintered alloy

#30
20050014016
2005-01-20

Mechanical fuse and production method for the same