ClassID:

119766

C22C38/22 - page 7 - CPC Classification

Classification description:

Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten

Recent Application in this class:
#1801
20090257903
2009-10-15

Powder Metallurgically Manufactured High Speed Steel

#1802
20090252636
2009-10-08

Powdered metal alloy composition for wear and temperature resistance applications and method of producing same

#1803
20090250146
2009-10-08

High Strength Thick-Gauge Electric-Resistance Welded Steel Pipe Excellent in Hardenability, Hot Workability and Fatigue Strength and Method of Production of the Same

#1804
20090242519
2009-10-01

WELDING OF AN ELEMENT OF A TRACK UNIT AND A RAIL SECTION WITHOUT ADDING ANY MATERIAL

#1805
20090238714
2009-09-24

Seamless steel tube for an airbag accumulator and process for its manufacture

#1806
20090238713
2009-09-24

Ultrahigh-strength thin steel sheet

#1807
20090236016
2009-09-24

METHOD FOR MANUFACTURING GLASS MOLDING DIE

#1808
20090236015
2009-09-24

ULTRAHIGH STRENGTH STEEL SHEET AND STRENGTH PART FOR AUTOMOBILE UTILIZING THE SAME

#1809
20090226756
2009-09-10

Piston ring

#1810
20090196786
2009-08-06

Hard alloys with dry composition

#1811
20090191086
2009-07-30

HOT-WORKING STEEL

#1812
20090180917
2009-07-16

HIGH STRENGTH ALLOY

#1813
20090173412
2009-07-09

HIGH STRENGTH, AIR-HARDENING STEEL WITH EXCELLENT SHAPING PROPERTIES

#1814
20090162241
2009-06-25

FORMABLE SINTERED ALLOY WITH DISPERSED HARD PHASE

#1815
20090151824
2009-06-18

High strength wire rod excellent in drawability and method of producing same

#1816
20090145523
2009-06-11

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

#1817
20090142218
2009-06-04

Lean austenitic stainless steel

#1818
20090123323
2009-05-14

ALLOY COMPOSITIONS SUITABLE FOR MOLTEN MAGNESIUM ENVIRONMENTS

#1819
20090123322
2009-05-14

High-Speed Steel for Saw Blades

#1820
20090120537
2009-05-14

Tensile elongation of near metallic glass alloys

#1821
20090120536
2009-05-14

Ferritic Stainless steel material for automobile exhaust gas passage components

#1822
20090113999
2009-05-07

Method for Testing a Rotor and Stator Assembly

#1823
20090110589
2009-04-30

Steel Material and Process for Producing the Same

#1824
20090107588
2009-04-30

Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced

#1825
20090104494
2009-04-23

Creep-Resistant Ferritic Steel

#1826
20090101242
2009-04-23

LOW CARBON ALLOY STEEL TUBE HAVING ULTRA HIGH STRENGTH AND EXCELLENT TOUGHNESS AT LOW TEMPERATURE AND METHOD OF MANUFACTURING THE SAME

#1827
20090098403
2009-04-16

Low alloy steel for oil country tubular goods and seamless steel pipe

#1828
20090098008
2009-04-16

Martensitic stainless steel oil country tubular good

#1829
20090092852
2009-04-09

Centrifugally cast composit roll

#1830
20090092513
2009-04-09

Ferritic stainless steel sheet superior in heat resistance

#1831
20090074635
2009-03-19

Tube and use of said tube

#1832
20090071578
2009-03-19

Method for manufacturing a high carbon hot-rolled steel sheet

#1833
20090060774
2009-03-05

High-temperature alloy

#1834
20090047166
2009-02-19

Low alloy steel, seamless steel oil country tubular goods, and method for producing seamless steel pipe

#1835
20090045172
2009-02-19

METHOD OF OPEN ROOT WELDING

#1836
20090035602
2009-02-05

High-strength steel with excellent unsusceptibility to hydrogen embrittlement

#1837
20090025831
2009-01-29

HOT-DIP GALVANIZED STEEL SHEET AND GALVANNEALED STEEL SHEET

#1838
20090014098
2009-01-15

High-Strength Hot-Dip Galvanized Steel Sheet Excellent in Formability and Method for Producing Same

#1839
20090010795
2009-01-08

Cold-Working Steel

#1840
20090010794
2009-01-08

Steels for sour service environments

#1841
20090007991
2009-01-08

Ferritic Heat-Resistant Steel

#1842
20090004040
2009-01-01

Ferritic stainless steel sheet for raw material pipe for bellows pipe

#1843
20090000703
2009-01-01

Ferritic stainless steel sheet superior in shapeability and method of production of the same

#1844
20080318083
2008-12-25

Super High Strength Stainless Austenitic Steel

#1845
20080317623
2008-12-25

HIGH STRENGTH ALLOY

#1846
20080308194
2008-12-18

Method for making a steel part of multiphase microstructure

#1847
20080307847
2008-12-18

Method for the surface treatment of ferritic/martensitic 9-12% Cr steel

#1848
20080302450
2008-12-11

Object Comprising a Steel Part of Metal Construction Consisting of an Area Welded by a High Power Density Beam and Exhibiting an Excellent Toughness in a Molten Area, Method for Producing Said Object

#1849
20080283161
2008-11-20

High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method

#1850
20080279714
2008-11-13

High strength spring steel and steel wire

#1851
20080264526
2008-10-30

Hot working die steel for die-casting

#1852
20080241583
2008-10-02

High Chromium Ferritic Steel With 0.5 Atomic % Hafnium, Part Of Which Is Ion Implanted

#1853
20080233225
2008-09-25

Steel alloy and tools or components manufactured out of the steel alloy

#1854
20080229893
2008-09-25

Tools with a thermo-mechanically modified working region and methods of forming such tools

#1855
20080226936
2008-09-18

Centrifugally cast external layer for rolling roll and method for manufacture thereof

#1856
20080218015
2008-09-11

Encapsulated stator assembly and process for making

#1857
20080218008
2008-09-11

Rotor and Stator Assemblies that Utilize Magnetic Bearings for Use in Corrosive Environments

#1858
20080216927
2008-09-11

High Temperature Bolt Material

#1859
20080210352
2008-09-04

Method for heat-treating steel material

#1860
20080210348
2008-09-04

Cr-Al-Steel for High-Temperature Application

#1861
20080199346
2008-08-21

Weld metal of high-strength Cr-Mo steel

#1862
20080181807
2008-07-31

Material with high ballistic protective effect

#1863
20080163961
2008-07-10

Galvannealed Steel Sheet and Method for Producing the Same

#1864
20080156400
2008-07-03

Low alloy steel

#1865
20080156399
2008-07-03

High-Concentration Carburized/Low-Strain Quenched Member and Process for Producing the Same

#1866
20080149229
2008-06-26

Rolling member and producing method thereof

#1867
20080145263
2008-06-19

High-strength steel plate resistant to strength reduction resulting from stress relief annealing and excellent in weldability

#1868
20080141616
2008-06-19

Method for Joining Dispersion-Strengthened Alloy

#1869
20080138691
2008-06-12

Separator for fuel cell having intermediate layer and method for manufacturing same

#1870
20080121318
2008-05-29

Method for producing seamless steel pipe

#1871
20080112837
2008-05-15

Ferritic heat resistant steel

#1872
20080110535
2008-05-15

High tensile strength steel material having excellent delayed fracture resistance property, and method of manufacturing the same

#1873
20080110533
2008-05-15

High strength seamless steel pipe and its manufacturing method

#1874
20080107947
2008-05-08

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

#1875
20080105341
2008-05-08

HEAT TREATMENT OF INLAID PRESSURE VESSELS

#1876
20080101980
2008-05-01

Steel alloy for cutting tools

#1877
20080096037
2008-04-24

Sreading knives, doctor blades and crepe scrapers and powder metallurgical method for producing the same

#1878
20080089804
2008-04-17

Martensitic free cutting stainless steel

#1879
20080085192
2008-04-10

Turbine rotor and steam turbine

#1880
20080078475
2008-04-03

Cold-work tool steel article

#1881
20080075971
2008-03-27

High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same

#1882
20080075968
2008-03-27

Specific chromium, molybdenum and carbon iron-based metallurgical powder composition capable of better compressibility and method of production

#1883
20080069718
2008-03-20

Medical devices

#1884
20080067220
2008-03-20

Welded component

#1885
20080053574
2008-03-06

Cold work steel and manufacturing method thereof

#1886
20080050265
2008-02-28

Low alloy steel

#1887
20080050264
2008-02-28

Ignition Device Electrode Composition

#1888
20080026241
2008-01-31

STEEL TUBING WITH ENHANCED SLOT-ABILITY CHARACTERISTICS FOR WARM TEMPERATURE SERVICE IN CASING LINER APPLICATIONS AND METHOD OF MANUFACTURING THE SAME

#1889
20080025866
2008-01-31

Iron-Based Sintered Alloy, Iron-Based Sintered-Alloy Member and Production Process for Them

#1890
20080017284
2008-01-24

Steel for oil well pipe excellent in sulfide stress cracking resistance

#1891
20080000555
2008-01-03

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

#1892
20080000553
2008-01-03

Soft-nitrided parts made of non-heat treated steel

#1893
20070284255
2007-12-13

Wear resistant vapor deposited coating, method of coating deposition and applications therefor

#1894
20070284020
2007-12-13

Roll/slide member, toroidal continuously variable transmission utilizing the same, and process for producing roll/slide member

#1895
20070272333
2007-11-29

High strength hot rolled steel sheet having excellent stretch flangeability and its production method

#1896
20070267110
2007-11-22

Method for making high-strength steel pipe, and pipe made by that method

#1897
20070253857
2007-11-01

Weld metal excellent in toughness and SR cracking resistance

#1898
20070253811
2007-11-01

Steam turbine

#1899
20070246136
2007-10-25

Method of manufacturing a martensitic stainless steel pipe

#1900
20070237590
2007-10-11

Rotary tool

#1901
20070234576
2007-10-11

Cutting members for shaving razors

#1902
20070227634
2007-10-04

Forged or Stamped Average or Small Size Mechanical Part

#1903
20070217293
2007-09-20

Decorative product and timepiece

#1904
20070215251
2007-09-20

Alloy for roller bearing

#1905
20070207329
2007-09-06

Chromium-enriched oxide containing material and preoxidation method of making the same to mitigate corrosion and fouling associated with heat transfer components

#1906
20070204940
2007-09-06

Rolling/sliding member, toroidal continuously variable transmission using the same method of manufacturing rolling/sliding member

#1907
20070199720
2007-08-30

Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe

#1908
20070199632
2007-08-30

Steel part having long rolling contact fatigue life and method for producing the same

#1909
20070199630
2007-08-30

Method for manufacturing a high speed tool steel

#1910
20070196685
2007-08-23

HIGH STRENGTH STEEL SHEET HAVING EXCELLENT FORMABILITY

#1911
20070196160
2007-08-23

Tips for ball-point pens, roller ball pens or gel ink roller ball pens

#1912
20070193658
2007-08-23

Steel For Mechanical Parts, Method For Producing Mechanical Parts From Said Steel And The Thus Obtainable Mechanical Parts

#1913
20070187369
2007-08-16

Hard-facing alloys having improved crack resistance

#1914
20070187078
2007-08-16

Insert and method for reducing fouling in a process stream

#1915
20070187002
2007-08-16

Piston ring having improved scuffing, cracking and fatigue resistances, and its production method, as well as combination of piston ring and cylinder block

#1916
20070186999
2007-08-16

Method for manufacturing a stainless steel product and a stainless steel product manufactured by the method

#1917
20070178322
2007-08-02

Silicon-containing steel composition with improved heat exchanger corrosion and fouling resistance

#1918
20070175288
2007-08-02

Pinion shaft

#1919
20070170226
2007-07-26

Ferritic stainless steel welded pipe superior in expandability

#1920
20070166183
2007-07-19

Corrosion-Resistant, Free-Machining, Magnetic Stainless Steel

#1921
20070163680
2007-07-19

Spring steel excellent in sag resistance and fatigue property

#1922
20070160490
2007-07-12

Tool and bearing steels

#1923
20070154339
2007-07-05

Iron-based sintered alloy and manufacturing method thereof

#1924
20070151634
2007-07-05

Rolling bearing

#1925
20070144634
2007-06-28

Ferritic Cr-contained steel

#1926
20070144632
2007-06-28

Steel for structural part of automobile and method for producing the same

#1927
20070137736
2007-06-21

Low alloy steel for oil well pipes having excellent sulfide stress cracking resistance

#1928
20070125462
2007-06-07

Steel plates for ultra-high-strength linepipes and ultra-high-strength linepipes having excellent low-temperature toughness and manufacturing methods thereof

#1929
20070122304
2007-05-31

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

#1930
20070116975
2007-05-24

Seamless expandable oil country tubular goods and manufacturing method thereof

#1931
20070110610
2007-05-17

Hot work tool steel and mold member excellent resistance to melting loss

#1932
20070107819
2007-05-17

High-strength motor-vehicle frame part with targeted crash

#1933
20070102068
2007-05-10

Heat treatment method of steel components, steel components and manufacture method of steel components

#1934
20070089813
2007-04-26

Seamless steel tube which is intended to be used as a guide pipe and production method thereof

#1935
20070087250
2007-04-19

Alloy for fuel cell interconnect

#1936
20070056657
2007-03-15

Corrosion and wear resistant alloy

#1937
20070029295
2007-02-08

High hardness/high wear resistant iron based weld overlay materials

#1938
20070025873
2007-02-01

Corrosion-resistant, cold-formable, machinable, high strength, martensitic stainless steel

#1939
20070023107
2007-02-01

Martensitic chromium-nitrogen steel and its use

#1940
20070017273
2007-01-25

Warm forming of metal alloys at high and stretch rates

#1941
20070012383
2007-01-18

Method for manufacturing a low alloy steel excellent in corrosion resistance

#1942
20070000582
2007-01-04

Steel product for induction hardening, induction-hardened member using the same, and methods for production them

#1943
20060280642
2006-12-14

Method of storing nitrogen trifluoride

#1944
20060278309
2006-12-14

Method of producing austenitic iron/carbon/manganese steel sheets having a high strength and excellent toughness and being suitable for cold forming, and sheets thus produced

#1945
20060275623
2006-12-07

Steel sheet for dissimilar materials weldbonding to aluminum material and dissimilar materials bonded body

#1946
20060266448
2006-11-30

Seamless steel pipe for oil wells excellent in sulfide stress cracking resistance and method for producing the same

#1947
20060249230
2006-11-09

Corrosion and wear resistant alloy

#1948
20060237103
2006-10-26

Welded joint of tempered martensite based heat-resistant steel

#1949
20060231172
2006-10-19

Process for producing steel article

#1950
20060231168
2006-10-19

Seamless steel tubes and pipes for use in oil well

#1951
20060231167
2006-10-19

Durable, wear-resistant punches and dies

#1952
20060225820
2006-10-12

Ferritic stainless steel sheet excellent in formability and method for production thereof

#1953
20060219333
2006-10-05

Manufacturing method of seamless steel pipe for mechanical structural parts

#1954
20060213361
2006-09-28

Vehicle armor

#1955
20060198752
2006-09-07

Iron-based sintered alloy having excellent machinability

#1956
20060180252
2006-08-17

Glass stability, glass forming ability, and microstructural refinement

#1957
20060180249
2006-08-17

Low alloy high steel tool having constant toughness

#1958
20060169368
2006-08-03

Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same

#1959
20060163321
2006-07-27

Liquid phase diffusion bonding method of metal machine part and such metal machine part

#1960
20060162494
2006-07-27

Alloyed steel powder with improved degree of sintering for metal injection molding and sintered body

#1961
20060157163
2006-07-20

Cold working die steel

#1962
20060144474
2006-07-06

High-strength steel material with excellent hydrogen embrittlement resistance

#1963
20060130945
2006-06-22

Steel pipe for an airbag system

#1964
20060130940
2006-06-22

Method for making structural automotive components and the like

#1965
20060130938
2006-06-22

Ferritic steel alloy

#1966
20060130934
2006-06-22

Medical instrument for soft tissue and method for manufacture thereof

#1967
20060105218
2006-05-18

Stainless steel for solid polymer fuel cell separator and solid polymer typefuel cell using the stainless steel

#1968
20060099105
2006-05-11

Pre-alloyed iron based powder

#1969
20060081314
2006-04-20

Steel material with excellent rolling fatigue life and method of producing the same

#1970
20060081089
2006-04-20

Sintered alloys for cam lobes and other high wear articles

#1971
20060070687
2006-04-06

Method for producing seamless steel pipe for inflator of air bag

#1972
20060056754
2006-03-16

Machine element for rolling loads

#1973
20060054253
2006-03-16

Ferritic heat-resistant steel and method for producing it

#1974
20060034724
2006-02-16

High-nitrogen austenitic stainless steel

#1975
20060032556
2006-02-16

Case-hardened stainless steel foundry alloy and methods of making the same

#1976
20060018783
2006-01-26

Steel product for oil country tubular good

#1977
20060016520
2006-01-26

Steel for steel pipes

#1978
20060011732
2006-01-19

Welding of an element of a track unit and a rail section without adding any material

#1979
20060000526
2006-01-05

Steel strip for razor blades and method of manufacturing the same

#1980
20050279431
2005-12-22

Steel tube for bearing element parts and method of manufacturing as well as machining the same

#1981
20050279425
2005-12-22

Ferritic stainless steel which can be used for ferromagnetic parts

#1982
20050268995
2005-12-08

Railway car wheel

#1983
20050265886
2005-12-01

Steel for machine structural use excellent in friability of chips

#1984
20050257860
2005-11-24

Rolling member and producing method thereof

#1985
20050255333
2005-11-17

Welded component

#1986
20050252580
2005-11-17

Cold work tool steel

#1987
20050217765
2005-10-06

Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength

#1988
20050211348
2005-09-29

Heat-resistant ferritic stainless steel and method for production thereof

#1989
20050204866
2005-09-22

Alloy composition suitable for molten magnesium environments

#1990
20050199322
2005-09-15

High carbon hot-rolled steel sheet and method for manufacturing the same

#1991
20050191203
2005-09-01

Steel for machine structural use having improved machinability

#1992
20050186105
2005-08-25

Cr-Mo alloy steel for transmission gear

#1993
20050183799
2005-08-25

High strength seamless steel pipe and its manufacturing method

#1994
20050167013
2005-08-04

High strength seamless steel pipe excellent in hydrogen-induced cracking resistance

#1995
20050167007
2005-08-04

High-strength cold-rolled steel sheet having outstanding elongation and superior stretch flange formability and method for production therof

#1996
20050161133
2005-07-28

Cr-bearing heat-resistant steel sheet excellent in workability and method for production thereof

#1997
20050161124
2005-07-28

Titanium or titanium alloy contacting surface

#1998
20050155674
2005-07-21

Hot worked steel and tool made therewith

#1999
20050145308
2005-07-07

Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy

#2000
20050123434
2005-06-09

Steel and mould tool for plastic materials made of the steel

#2001
20050121118
2005-06-09

Mechanical structural shaft component and method of manufacturing the same

#2002
20050109433
2005-05-26

High-strength steel component with zinc containing corrosion resistant layer

#2003
20050103777
2005-05-19

Gear part and method of producing thereof

#2004
20050098240
2005-05-12

Ferritic free-cutting stainless steel excellent in surface roughness and outgass resistance

#2005
20050092396
2005-05-05

Rolling bearing for belt driven continuously variable transmission

#2006
20050089437
2005-04-28

Free-cutting steel and fuel injection system component using the same

#2007
20050084406
2005-04-21

Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength having residual α-grains

#2008
20050084405
2005-04-21

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

#2009
20050081962
2005-04-21

Case hardening bearing steel having excellent toughness and rolling contact fatigue life in intermediate temperature

#2010
20050076976
2005-04-14

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

#2011
20050064219
2005-03-24

Cooking vessel comprising a base made of a multilayer material and a side wall, and article of multilayer material

#2012
20050042127
2005-02-24

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

#2013
20050039826
2005-02-24

High strength steel pipe for an air bag

#2014
20050022906
2005-02-03

Bainite type non-refined steel for nitriding, method for production thereof and nitrided product

#2015
20050019202
2005-01-27

Radiant tube in cracking furnaces

#2016
20050006011
2005-01-13

Use of a steel alloy for making tubes to produce compressed gas containers or for making formed structures in light weight steel construction

#2017
20050006006
2005-01-13

High temperature alloy particularly suitable for a long-life turbocharger nozzle ring

#2018
20050002820
2005-01-06

Steel for metal-cutting tools

#2019
20050002819
2005-01-06

Cold work steel article

#2020
20050000601
2005-01-06

Steel pipe for an airbag system and a method for its manufacture

#2021
17231362
2023-11-07

Sinter brazing of powdered metal sinter hard matertial component to a wrought steel component

#2022
15908160
2020-03-24

Friction stir welding tool and related methods