Resources Contact Us Home
Browse by Category: Main > Material Science
Class Information
Number: 148/112
Name: Metal treatment > Process of modifying or maintaining internal physical structure (i.e., microstructure) or chemical properties of metal, process of reactive coating of metal and process of chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal > Magnetic materials > Silicon steel > Heat treatment
Description: Processes restricted to heating and/or cooling.

Sub-classes under this class:

Class Number Class Name Patents
148/113 With special compositions 293

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8689761 Exhaust poppet valve and solution heat treatment method of the same Apr. 8, 2014
8557058 High-strength non-oriented electrical steel sheet Oct. 15, 2013
8361243 Method of forming {100} texture on surface of iron or iron-base alloy sheet, method of manufacturing non-oriented electrical steel sheet by using the same and non-oriented electrical steel she Jan. 29, 2013
8277574 Method for manufacturing grain-oriented electromagnetic steel sheet whose magnetic domains are controlled by laser beam irradiation Oct. 2, 2012
8240922 Bearing device for wheel Aug. 14, 2012
8157928 Non-oriented electrical steel sheet and production process thereof Apr. 17, 2012
7905965 Method for making soft magnetic material having fine grain structure Mar. 15, 2011
7763120 Method of production of grain-oriented electrical steel sheet Jul. 27, 2010
7566371 Non-oriented electrical steel sheet excellent in magnetic properties in rolling direction and method of production of same Jul. 28, 2009
7479621 Magnetic annealing tool heat exchange system and processes Jan. 20, 2009
7465361 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet Dec. 16, 2008
7442260 Grain-oriented electrical steel sheet superior in electrical characteristics and method of production of same Oct. 28, 2008
7377986 Method for production of non-oriented electrical steel strip May. 27, 2008
7282102 Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property Oct. 16, 2007
RE39482 Method of making grain-oriented magnetic steel sheet having low iron loss Feb. 6, 2007
7150092 Method for manufacturing spin valve Dec. 19, 2006
7096075 Apparatus, method and program for physical state controller Aug. 22, 2006
7045025 Grain-oriented electrical steel sheet excellent in magnetic properties and method for producing the same May. 16, 2006
6964711 Process for the production of grain oriented electrical steel strips Nov. 15, 2005
6936792 Furnace cart and load transfer system for high temperature vacuum furnaces and process therefor Aug. 30, 2005
6925352 Method and system for prediction of precipitation kinetics in precipitation-hardenable aluminum alloys Aug. 2, 2005
6864793 Magnetic marker and manufacturing method therefor Mar. 8, 2005
6858095 Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties Feb. 22, 2005
6773514 Method for producing non-grain oriented electric sheet steel Aug. 10, 2004
6767412 Method for producing non-grain-oriented magnetic steel sheet Jul. 27, 2004
6739384 Method of continuously casting electrical steel strip with controlled spray cooling May. 25, 2004
6708388 Method of making a permanent magnet field-type compact DC motor Mar. 23, 2004
6666929 Process for the improvement of the magnetic characteristics in grain oriented electrical silicon steel sheets by laser treatment Dec. 23, 2003
6612154 Systems and methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres Sep. 2, 2003
6562473 Electrical steel sheet suitable for compact iron core and manufacturing method therefor May. 13, 2003
6478892 Low iron loss non-oriented electrical steel sheet excellent in workability and method for producing the same Nov. 12, 2002
6471787 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics Oct. 29, 2002
6406557 Process for the treatment of grain oriented silicon steel Jun. 18, 2002
6364962 Electromagnetic steel sheet having excellent high-frequency magnetic properties and method Apr. 2, 2002
6309473 Method of making grain-oriented magnetic steel sheet having low iron loss Oct. 30, 2001
6296719 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs Oct. 2, 2001
6284388 Steel with electrically insulating hematite layer Sep. 4, 2001
6284068 Metal processing utilizing electric potential Sep. 4, 2001
6273964 Process for the production of grain oriented electrical steel strip starting from thin slabs Aug. 14, 2001
6228182 Method and low iron loss grain-oriented electromagnetic steel sheet May. 8, 2001
6221501 Steel with electrically insulating hematite layer Apr. 24, 2001
6217673 Process of making electrical steels Apr. 17, 2001
6159305 High speed induction motor rotor and method of fabrication Dec. 12, 2000
6159309 Grain-oriented electrical steel sheet and method for producing same Dec. 12, 2000
6153019 Process for producing a grain-orientated electrical steel sheet Nov. 28, 2000
6129992 High-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the same Oct. 10, 2000
6110298 Grain-oriented electrical steel sheet excellent in magnetic characteristics and production process for same Aug. 29, 2000
6068708 Process of making electrical steels having good cleanliness and magnetic properties May. 30, 2000
6007642 Super low loss motor lamination steel Dec. 28, 1999
5951788 Superconducting high strength stainless steel magnetic component Sep. 14, 1999

1 2 3 4

  Recently Added Patents
Method for determining an object class of an object, from which light is emitted and/or reflected to a vehicle
Ice data collection system
Medical device arm
Solid state lighting circuit and controls
Content display monitor
Network based JIT on a priori knowledge of a set of disparate clients
Diameter signaling for mobile IPv4
  Randomly Featured Patents
Preparation of 2-chloropyridine 3-carboxylic acid esters
Card connector
Temporary tattoo device and method
Power transmission system in a tractor
Liquid crystal display
Tool for machine tools
Housing for a battery tester
Human prolactin antagonist-angiogenesis inhibitor fusion proteins
Daisy chain circuit for serial connection of neuron circuits
Report searching apparatus and a method for searching a report