ClassID:

119752

C22C38/005 - page 7 - CPC Classification

Classification description:

Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides

Recent Application in this class:
#1801
20110094699
2011-04-28

Cast slab of non-oriented electrical steel and manufacturing method thereof

#1802
20110090032
2011-04-21

RARE EARTH PERMANENT MAGNET AND ITS PREPARATION

#1803
20110062372
2011-03-17

RARE EARTH MAGNETIC MATERIALS AND METHODS THEREOF

#1804
20110057756
2011-03-10

Rare Earth Composite Magnets with Increased Resistivity

#1805
20110043311
2011-02-24

PERMANENT MAGNET AND PROCESS FOR PRODUCING PERMANENT MAGNET

#1806
20110037548
2011-02-17

Permanent magnet and process for producing permanent magnet

#1807
20110036465
2011-02-17

High-strength galvanized steel sheet with excellent formability and method for manufacturing the same

#1808
20110036460
2011-02-17

Rare earth permanent magnet and its preparation

#1809
20110036459
2011-02-17

Rare earth permanent magnet and its preparation

#1810
20110036458
2011-02-17

Rare earth permanent magnet and its preparation

#1811
20110036457
2011-02-17

Rare earth permanent magnet and its preparation

#1812
20110031235
2011-02-10

Durable iron-chromium-aluminum alloy showing minor changes in heat resistance

#1813
20110030911
2011-02-10

LOW-CARBON STEEL SLAB PRODUCING METHOD

#1814
20110025440
2011-02-03

R-T-B-type sintered magnet and method for production thereof

#1815
20110023991
2011-02-03

High strength steel plate, steel pipe with excellent low temperature toughness, and method of production of same

#1816
20110014083
2011-01-20

STAINLESS STEEL USED FOR OIL COUNTRY TUBULAR GOODS

#1817
20110012699
2011-01-20

R-Fe-B rare earth sintered magnet

#1818
20110000587
2011-01-06

Steel

#1819
20110000586
2011-01-06

Rare earth magnet and its preparation

#1820
20100330361
2010-12-30

Metal magnet and motor using the same

#1821
20100286461
2010-11-11

Reactor for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated

#1822
20100236668
2010-09-23

High strength steel pipe for line pipe superior in low temperature toughness and high strength steel plate for line pipe and methods of production of the same

#1823
20100233016
2010-09-16

Rare earth magnet

#1824
20100219921
2010-09-02

RARE-EARTH IRON-BASED MAGNET WITH SELF-RECOVERABILITY

#1825
20100218857
2010-09-02

HIGH TENSILE STRENGTH GALVANIZED STEEL SHEET EXCELLENT IN FORMABILITY AND METHOD FOR MANUFACTURING THE SAME

#1826
20100209733
2010-08-19

Hot gas-guided component of a turbomachine

#1827
20100206130
2010-08-19

Welding solid wire

#1828
20100200121
2010-08-12

Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet

#1829
20100182113
2010-07-22

R-Fe-B type rare earth sintered magnet and process for production of the same

#1830
20100172790
2010-07-08

IRON-NICKEL-CHROMIUM-SILICON ALLOY

#1831
20100172783
2010-07-08

Material for anisotropic magnet and method of manufacturing the same

#1832
20100164663
2010-07-01

Permanent magnet and a manufacturing method thereof

#1833
20100148897
2010-06-17

Rare earth sintered magnet and method for producing same

#1834
20100143178
2010-06-10

Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material

#1835
20100119703
2010-05-13

Method for making NdFeB sintered magnet

#1836
20100111748
2010-05-06

HIGH CLEANLINESS SPRING STEEL AND HIGH CLEANLINESS SPRING EXCELLENT IN FATIGUE PROPERTIES

#1837
20100104767
2010-04-29

PRODUCTION METHOD FOR NANOCOMPOSITE MAGNET

#1838
20100092749
2010-04-15

USE OF AN IRON-CHROMIUM-ALUMINUM ALLOY WITH LONG SERVICE LIFE AND MINOR CHANGES IN HEAT RESISTANCE

#1839
20100086430
2010-04-08

HEAT RESISTANT FERRITIC STEEL

#1840
20100068040
2010-03-18

Exhaust guide member of nozzle vane-type turbocharger

#1841
20100062279
2010-03-11

Austenitic stainless steel welded joint and austenitic stainless steel welding material

#1842
20100059150
2010-03-11

High toughness abrasion resistant steel with little change in hardness during use and method of production of same

#1843
20100051139
2010-03-04

Permanent magnet and method of manufacturing same

#1844
20100045411
2010-02-25

R-T-B sintered magnet and method for producing the same

#1845
20100040502
2010-02-18

Creep-resistant steel

#1846
20100040501
2010-02-18

R-T-B Based Rare Earth Permanent Magnet and Method for Production Thereof

#1847
20100034688
2010-02-11

Method of manufacturing oriented body, molded body and sintered body as well as method of manufacturing permanent magnet

#1848
20100021338
2010-01-28

High-temperature alloy

#1849
20100008814
2010-01-14

R-T-B based sintered magnet

#1850
20100008813
2010-01-14

HOT AND CORROSION-RESISTANT STEEL

#1851
20100003160
2010-01-07

R-T-B based sintered magnet

#1852
20100003156
2010-01-07

Rare earth magnet and production process thereof

#1853
20100000636
2010-01-07

DUPLEX STAINLESS STEEL

#1854
20090317285
2009-12-24

HIGH STRENGTH STEEL PLATE SUPERIOR IN STRETCH FLANGE FORMABILITY AND FATIGUE CHARACTERISTICS

#1855
20090314395
2009-12-24

Method of production of high strength thin-gauge steel sheet excellent in elongation and hole expandability

#1856
20090297872
2009-12-03

High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof

#1857
20090291017
2009-11-26

High strength Cr-Ni alloy material and seamless pipe for oil well

#1858
20090285717
2009-11-19

Iron-Nickel-Chrome-Silicon-Alloy

#1859
20090252865
2009-10-08

Method for producing sintered NdFeB magnet

#1860
20090238713
2009-09-24

Ultrahigh-strength thin steel sheet

#1861
20090232694
2009-09-17

Martensitic stainless steel for welded structures

#1862
20090226339
2009-09-10

Method for preparing rare earth permanent magnet material

#1863
20090223606
2009-09-10

Iron-based rare-earth nanocomposite magnet and method for producing the magnet

#1864
20090202381
2009-08-13

Material for components of a gas turbine

#1865
20090196783
2009-08-06

Austenitic stainless steel welded joint and austenitic stainless steel welding material

#1866
20090194204
2009-08-06

High cleanliness spring steel and high cleanliness spring excellent in fatigue properties

#1867
20090178735
2009-07-16

Rare earth sintered magnet

#1868
20090145523
2009-06-11

Method for manufacturing heat resisting member applicable to an exhaust gas guide assembly with improved heat resistance for VGS turbocharger

#1869
20090129966
2009-05-21

IRON-BASED RARE-EARTH-CONTAINING NANOCOMPOSITE MAGNET AND PROCESS FOR PRODUCING THE SAME

#1870
20090120541
2009-05-14

High-strength steel plate, method of producing the same, and high-strength steel pipe

#1871
20090114318
2009-05-07

Seamless steel pipe for line pipe and a process for its manufacture

#1872
20090104494
2009-04-23

Creep-Resistant Ferritic Steel

#1873
20090098319
2009-04-16

Heat resistant alloy adapted to precipitate fine Ti-Nb-Cr carbide or Ti-Nb-Zr-Cr carbide

#1874
20090098006
2009-04-16

Method for preparing rare earth permanent magnet material

#1875
20090095938
2009-04-16

Apparatus for producing alloy and rare earth element alloy

#1876
20090081071
2009-03-26

RARE EARTH PERMANENT MAGNET ALLOY AND PRODUCING METHOD THEREOF

#1877
20090081070
2009-03-26

Metal alloy for golf club head

#1878
20090072938
2009-03-19

R-T-B SYSTEM ALLOY AND METHOD OF PREPARING R-T-B SYSTEM ALLOY, FINE POWDER FOR R-T-B SYSTEM RARE EARTH PERMANENT MAGNET, AND R-T-B SYSTEM RARE EARTH PERMANENT MAGNET

#1879
20090060774
2009-03-05

High-temperature alloy

#1880
20090053094
2009-02-26

Rare earth sintered magnet and method for production thereof

#1881
20090032147
2009-02-05

R-Fe-B microcrystalline high-density magnet and process for production thereof

#1882
20090022636
2009-01-22

High Al-content steel sheet excellent in workability and method of production of same

#1883
20090019969
2009-01-22

R-T-B system sintered magnet

#1884
20090019860
2009-01-22

MAGNETIC MATERIAL FOR MAGNETIC REFRIGERATION

#1885
20090000701
2009-01-01

RARE EARTH MAGNET ALLOY INGOT, MANUFACTURING METHOD FOR THE SAME, R-T-B TYPE MAGNET ALLOY INGOT, R-TB TYPE MAGNET, R-T-B TYPE BONDED MAGNET, R-T-B TYPE EXCHANGE SPRING MAGNET ALLOY INGOT, R-T-B TYPE EXCHANGE SPRING MAGNET, AND R-T-B TYPE EXCHANGE SPRING BONDED MAGNET

#1886
20080274009
2008-11-06

R-T-B BASED SINTERED MAGNET

#1887
20080271821
2008-11-06

R-T-B BASED SINTERED MAGNET

#1888
20080251159
2008-10-16

Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet

#1889
20080223489
2008-09-18

Rare earth permanent magnet and its preparation

#1890
20080219878
2008-09-11

Seamless steel pipe for line pipe and a process for its manufacture

#1891
20080216928
2008-09-11

Method for manufacturing seamless steel pipe for line pipe

#1892
20080202642
2008-08-28

Rare earth magnet, method for producing same and method for producing multilayer body

#1893
20080156400
2008-07-03

Low alloy steel

#1894
20080129437
2008-06-05

Current transformer core, current transformer and power meter

#1895
20080118389
2008-05-22

Nonoriented electrical steel sheet excellent in core loss

#1896
20080113210
2008-05-15

Rare earth element-iron-boron alloy, and magnetically anisotropic permanent magnet powder and method for production thereof

#1897
20080107947
2008-05-08

Ferritic steels for solid oxide fuel cells and other high temperature applications

#1898
20080107559
2008-05-08

Austenitic stainless steel

#1899
20080089803
2008-04-17

Austenitic Fe-Ni-Cr alloy

#1900
20080078476
2008-04-03

Alloy and method for producing magnetic refrigeration material particles using same

#1901
20080053273
2008-03-06

Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered body

#1902
20080017277
2008-01-24

Sintered R-Fe-B permanent magnet and its production method

#1903
20080000555
2008-01-03

High Strength Thin-Gauge Steel Sheet Excellent in Elongation and Hole Expandability and Method of Production of Same

#1904
20070292300
2007-12-20

Ferritic Stainless Steel

#1905
20070266822
2007-11-22

Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet

#1906
20070261766
2007-11-15

Rare earth magnet and method for production thereof

#1907
20070245851
2007-10-25

Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy

#1908
20070241305
2007-10-18

Magnetic material for magnetic refrigeration

#1909
20070231183
2007-10-04

Method of producing martensite wear-resistant cast steel with film austenite for enhancement of toughness

#1910
20070209737
2007-09-13

Magnet using binding agent and method of manufacturing the same

#1911
20070199624
2007-08-30

Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet

#1912
20070193665
2007-08-23

Steel plate excellent in machineability and in toughness and weldability and method of production of the same

#1913
20070157998
2007-07-12

R-FE-B based rare earth permanent magnet material

#1914
20070142689
2007-06-21

Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated

#1915
20070122304
2007-05-31

Alloys for intermediate temperature applications, methods for maufacturing thereof and articles comprising the same

#1916
20070110609
2007-05-17

Iron-chromium-aluminum alloy

#1917
20070102069
2007-05-10

R-T-B system permanent magnet

#1918
20070095438
2007-05-03

R-T-B type alloy, production method of R-T-B type alloy flake, fine powder for R-T-B type rare earth permanent magnet, and R-T-B type rare earth permanent magnet

#1919
20070081917
2007-04-12

Austenitic fe-cr-ni alloy for high temperature use

#1920
20070079904
2007-04-12

Rare earth magnet powder and method of producing the same

#1921
20070071979
2007-03-29

Magnetic material, magnet, and rotating machine

#1922
20070041862
2007-02-22

Iron-chrome-aluminum alloy

#1923
20070034302
2007-02-15

Heat-resistant cast steel excellent in aged ductility and creep rupture strength for hydrogen producing reaction tubes

#1924
20070017601
2007-01-25

Rare earth permanent magnet, making method, and permanent magnet rotary machine

#1925
20060292395
2006-12-28

Rare earth magnet having high strength and high electrical resistance

#1926
20060260719
2006-11-23

Steels with few alumina clusters

#1927
20060243351
2006-11-02

Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof

#1928
20060231165
2006-10-19

R-T-B based rare earth permanent magnet and method for production thereof

#1929
20060213584
2006-09-28

Rare earth permanent magnet

#1930
20060213583
2006-09-28

Rare earth permanent magnet

#1931
20060213580
2006-09-28

Magnetic refrigeration material and method of manufacturing thereof

#1932
20060201585
2006-09-14

R-t-b sintered magnet and rare earth alloy

#1933
20060196582
2006-09-07

Duplex stainless steel alloy and use thereof

#1934
20060169361
2006-08-03

Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, R-T-B type magnet, R-T-B type bonded magnet, R-T-B type exchange spring magnet alloy ingot, R-T-B type exchange spring magnet, and R-T-B type exchange spring bonded magnet

#1935
20060169360
2006-08-03

Hard magnetic composition, permanent magnet powder, method for permanent magnet powder, and bonded magnet

#1936
20060166029
2006-07-27

High Al stainless steel sheet and honeycomb bodies employing them

#1937
20060157162
2006-07-20

Steel having finely dispersed inclusions

#1938
20060145587
2006-07-06

Material for shadow mask, process for producing the same, shadow mask from the shadow mask material and picture tube including the shadow mask

#1939
20060137767
2006-06-29

Nd-Fe-B rare earth permanent magnet material

#1940
20060128496
2006-06-15

Maraging steel golf club head

#1941
20060096669
2006-05-11

Exchange spring magnet powder and a method of producing the same

#1942
20060091352
2006-05-04

Ferrite magnetic material and process for producing the same

#1943
20060076084
2006-04-13

Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material

#1944
20060054253
2006-03-16

Ferritic heat-resistant steel and method for producing it

#1945
20060016515
2006-01-26

Sinter magnet made from rare earth-iron-boron alloy powder for magnet

#1946
20050268989
2005-12-08

R-t-b sintered magnet and process for producing the same

#1947
20050189042
2005-09-01

Rare earth permanent magnet

#1948
20050173025
2005-08-11

Rare earth sintered magnet, and method for improving mechanical strength and corrosion resistance thereof

#1949
20050158201
2005-07-21

High-grade duplex stainless steel with much suppressed formation of intermetallic phases and having an excellent corrosion resistance, embrittlement resistance castability and hot workability

#1950
20050155674
2005-07-21

Hot worked steel and tool made therewith

#1951
20050145301
2005-07-07

Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet, and method for production thereof

#1952
20050139294
2005-06-30

Fe-based hardfacing alloy

#1953
20050103161
2005-05-19

Method for reuse of steel sheet scrap

#1954
20050098239
2005-05-12

R-T-B based permanent magnet material alloy and R-T-B based permanent magnet

#1955
20050084405
2005-04-21

Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof

#1956
20050076976
2005-04-14

Fuel cell produced using a metallic material and its method of making

#1957
20050067058
2005-03-31

Sintered R-Fe-B permanent magnet and its production method

#1958
20050067052
2005-03-31

Alloy for use in bonded magnet, isotropic magnet powder and anisotropic magnet powder and method for production thereof, and bonded magnet

#1959
20050045250
2005-03-03

Oxidation resistant ferritic stainless steels

#1960
20050042127
2005-02-24

Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength

#1961
20050028892
2005-02-10

Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet

#1962
20050016632
2005-01-27

Rare earth element-iron-boron alloy and magnetically anisotropic permanent magnet powder and method for production thereof

#1963
18901011
2025-03-11

Oriented electrical steel with high magnetic induction and annealing method thereof

#1964
17523863
2024-08-06

High-strength and high-toughness austenitic steel

#1965
15075193
2017-08-01

Stainless steel alloys with antimicrobial properties