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Browse by Category: Main > Material Science
Class Information
Number: 428/592
Name: Stock material or miscellaneous articles > All metal or with adjacent metals > Helical or with helical component
Description: Subject matter which is regularly curled, twisted, or flat-wound, or which contains a twisted or flat-wound component, inside or outside another component.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7220492 Metal matrix composite articles May. 22, 2007
7108233 Wire ring net for rocky wall barriers and method for making it Sep. 19, 2006
7047703 Metal framing strut with coiled end portions May. 23, 2006
6908065 3-dimensional bead process Jun. 21, 2005
6897399 Hollow metal object and method of its fabrication May. 24, 2005
6723451 Aluminum matrix composite wires, cables, and method Apr. 20, 2004
6607841 Silicon steel sheet Aug. 19, 2003
6475636 Steel cord for protection plies of pneumatic tires Nov. 5, 2002
6438932 Steel cord with waved elements Aug. 27, 2002
6423424 Method of producing an opening cylinder Jul. 23, 2002
6413651 Composite metal coil or plate and its manufacturing method Jul. 2, 2002
6355361 Fe group-based amorphous alloy ribbon and magnetic marker Mar. 12, 2002
6311466 Steel cord with waved elements Nov. 6, 2001
6308508 Steel cord for reinforcement of a radial tire and a radial tire employing the same Oct. 30, 2001
6270913 Apparatus for manufacturing metallic fibers, method of manufacturing twine of metallic fibers, twine of metallic fibers and method of coloring metallic fiber Aug. 7, 2001
6197440 Magnetic recording medium Mar. 6, 2001
6156698 Honeycomb catalyst and manufacturing method therefor Dec. 5, 2000
6042629 Fertilizer from brewery cleaning and rinsing solutions Mar. 28, 2000
6017641 Coil spring resistive to delayed fracture and manufacturing method of the same Jan. 25, 2000
5968670 Enhanced ceramic ball grid array using in-situ solder stretch with spring Oct. 19, 1999
5958602 Multi-walled steel pipe Sep. 28, 1999
5955171 Procedure for making highly resistant structures, with ability to absorb energy by the interlinking of layers formed with longitudinal helical metal strips and structures obtained therefrom Sep. 21, 1999
5843583 Cord with high non-structural elongation Dec. 1, 1998
5791044 Assembly and method for catalytic converter structures Aug. 11, 1998
5788110 Articles and methods for protection against focused beams of radiant energy Aug. 4, 1998
5607742 Ground environment mats Mar. 4, 1997
5514480 Metal-based composite May. 7, 1996
5512380 Steel cord construction Apr. 30, 1996
5468566 Synthesis of highly phase pure BSCCO superconductors Nov. 21, 1995
5449563 Galvanic protection of rebar by zinc wire Sep. 12, 1995
5429878 Metal cords for rubber reinforcement and tires using the same Jul. 4, 1995
5312694 Material for catalyzer for purification of exhaust gas and catalyzer using such a material May. 17, 1994
5206065 Methods, apparatus and devices relating to magnetic markers for elongated hidden objects Apr. 27, 1993
5198307 Steel strip and method of making Mar. 30, 1993
5158814 Flexible metal conduit and method of making the same Oct. 27, 1992
5137782 Granular composite containing metal fibers and plastic articles made therefrom Aug. 11, 1992
5001017 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same Mar. 19, 1991
4891257 Carrier matrix, particularly for a catalytic reactor for the exhaust emission control in the case of internal-combustion engines Jan. 2, 1990
4886711 Catalytic converter metal monolithic catalyst substrate Dec. 12, 1989
4857413 Metal-made carrier body for exhaust gas cleaning catalyst Aug. 15, 1989
4842954 Metal catalyst carrier body, blank for producing the body Jun. 27, 1989
4665051 Carrier matrix for a catalytic reactor for the purification of exhaust gas May. 12, 1987
4642011 Composition for rust prevention of metals and threaded metal elements with a rustproof film Feb. 10, 1987
4584247 Threading deformed bars Apr. 22, 1986
4543298 Metal cord Sep. 24, 1985
4537808 Electrically conductive composite material Aug. 27, 1985
4469756 Method of and apparatus for forming an outwardly projecting bulge in a steel wire strand for forming an anchor in concrete Sep. 4, 1984
4419414 Cylinder for use with other components in processing material Dec. 6, 1983
4394421 Thread forming of sintered porous metal shapes Jul. 19, 1983
4394422 Bonded structure and process of making same Jul. 19, 1983

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