for equipment for lining mine shafts

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CPC
C21D9/44

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CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS C21D9/00Heat treatment

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C21D9/44for equipment for lining mine shafts

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Patents Grantslast 30 patents

Information Patent Grant
Enhanced wear resistant steel and methods of making the same
- Patent number 11,155,905
- Issue date Oct 26, 2021
- ExxonMobil Research and Engineering Company
- Hyunwoo Jin
- C21 - METALLURGY OF IRON
Information Patent Grant
Precipitation hardened martensitic stainless steel and reciprocatin...
- Patent number 10,344,758
- Issue date Jul 9, 2019
- A. Finkl & Sons Co.
- Algirdas Underys
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Recrystallization, refinement, and strengthening mechanisms for pro...
- Patent number 9,284,635
- Issue date Mar 15, 2016
- The NanoSteel company, Inc.
- Daniel James Branagan
- C21 - METALLURGY OF IRON
Information Patent Grant
Fire resistant steel excellent in high temperature strength, toughn...
- Patent number 8,097,096
- Issue date Jan 17, 2012
- Nippon Steel Corporation
- Suguru Yoshida
- C21 - METALLURGY OF IRON
Information Patent Grant
Linear shape steel excellent in joint fatigue characteristics and p...
- Patent number 6,706,125
- Issue date Mar 16, 2004
- JFE Steel Corporation
- Tatsumi Kimura
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
DRILL STRING COMPONENT WITH HIGH CORROSION RESISTANCE, AND METHOD F...
- Publication number 20220033924
- Publication date Feb 3, 2022
- voestalpine BÖHLER Edelstahl GmbH & Co KG
- Rainer FLUCH
- C21 - METALLURGY OF IRON
Information Patent Application
ENHANCED WEAR RESISTANT STEEL AND METHODS OF MAKING THE SAME
- Publication number 20180258515
- Publication date Sep 13, 2018
- ExxonMobil Research and Engineering Company
- Hyunwoo Jin
- C21 - METALLURGY OF IRON
Information Patent Application
Recrystallization, Refinement, and Strengthening Mechanisms For Pro...
- Publication number 20150090372
- Publication date Apr 2, 2015
- THE NANOSTEEL COMPANY, INC.
- Daniel James BRANAGAN
- C21 - METALLURGY OF IRON
Information Patent Application
ENHANCED WEAR RESISTANT STEEL AND METHODS OF MAKING THE SAME
- Publication number 20140261918
- Publication date Sep 18, 2014
- ExxonMobil Research and Engineering Company
- HyunWoo Jin
- C21 - METALLURGY OF IRON
Information Patent Application
FIRE RESISTANT STEEL EXCELLENT IN HIGH TEMPERATURE STRENGTH, TOUGHN...
- Publication number 20100065168
- Publication date Mar 18, 2010
- Suguru YOSHIDA
- C21 - METALLURGY OF IRON
Information Patent Application
Linear shape steel excellent in joint fatigue characteristics and p...
- Publication number 20020192012
- Publication date Dec 19, 2002
- Tatsumi Kimura
- C21 - METALLURGY OF IRON