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Class Information
Number: 148/509
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 > With measuring, testing, or sensing > Magnetic or electrical property
Description: Process wherein a magnetic or electrical property is measured, tested, or sensed.

Patents under this class:

Patent Number Title Of Patent Date Issued
8394212 High frequency induction heating treatment equipment and method and induction heated and thus treated product Mar. 12, 2013
8361253 Heat treatment of flexibly rolled strip Jan. 29, 2013
7880573 Magnetostriction aided switching Feb. 1, 2011
7354492 Method for optimising the production technology of rolled products Apr. 8, 2008
7241349 Nondestructive evaluating method for aged deterioration in austenitic stainless steel Jul. 10, 2007
7175720 Non-destructive testing method of determining the depletion of a coating Feb. 13, 2007
7150798 Non-destructive testing method of determining the service metal temperature of a component Dec. 19, 2006
6551422 Method and apparatus for treating metal Apr. 22, 2003
6338765 Ultrasonic impact methods for treatment of welded structures Jan. 15, 2002
6176944 Method of making low magnetic permeability cobalt sputter targets Jan. 23, 2001
5698988 Method and device of detecting a deterioration Dec. 16, 1997
5527377 Manufacturing method of metal or alloy Jun. 18, 1996
5458703 Tool steel production method Oct. 17, 1995
5443665 Method of manufacturing a copper electrical conductor, especially for transmitting audio and video signals and quality control method for such conductors Aug. 22, 1995
5405459 Production process for producing hollow steel tube of high strength Apr. 11, 1995
5385618 Non-magnetic alloy Jan. 31, 1995
5250776 Apparatus and method of measuring temperature Oct. 5, 1993
5190600 Method of monitoring a heat treatment with carbon penetration Mar. 2, 1993
5174832 Method for contactless digital measuring of the displacement or position of a movable piece Dec. 29, 1992
5055144 Methods of monitoring precipitates in metallic materials Oct. 8, 1991
5035142 Method for vibratory treatment of workpieces and a device for carrying same into effect Jul. 30, 1991
5013370 Method for localization of tensile residual stress and product produced thereby May. 7, 1991
4675057 Method of heat treating using eddy current temperature determination Jun. 23, 1987
4595427 Annealing process control method and apparatus Jun. 17, 1986
4428782 Production of aluminium alloy strip Jan. 31, 1984
4427463 Method of and device for controlling and cooling of a continuous rolled member, e.g. a wire Jan. 24, 1984
4407682 Method of plastic working of metal materials Oct. 4, 1983
4396886 Document authentication by means of exchange-anisotropic magnetic material Aug. 2, 1983
4394193 Method and device for the continuous, contactless monitoring of the structure state of cold strip Jul. 19, 1983
4338145 Chrome-tantalum alloy thin film resistor and method of producing the same Jul. 6, 1982
4240878 Method of forming a platinum layer on tantalum Dec. 23, 1980
4042427 Process for controlling fused salt nitridation of metals with a solid electrolyte electrode Aug. 16, 1977

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