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Class Information
Number: 200/266
Name: Electricity: circuit makers and breakers > Electric switch details > Contact > Material > Alloys
Description: Subject matter, wherein the contact material constitutes a chemically combined mixture of various metals or compounds of metals.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8524376 Heat-resistant Sn-plated Cu-Zn alloy strip with suppressed whiskering Sep. 3, 2013
8187395 Electrical contact having high electrical conductivity made of internally oxidized silver-oxide material for compact electromagnetic relay May. 29, 2012
7812703 MEMS device using NiMn alloy and method of manufacture Oct. 12, 2010
7598832 Contact pad designed for a movable electrical contact of a circuit breaker, movable electrical contact having such a pad and circuit breaker comprising such a contact Oct. 6, 2009
7589290 Electric contact Sep. 15, 2009
7160632 Material for sliding contacts, clad composite material and small-sized DC motor using the same Jan. 9, 2007
7015406 Electric contact Mar. 21, 2006
6974923 Electric contact and breaker using the same Dec. 13, 2005
6740821 Selectively configurable circuit board May. 25, 2004
6655012 Fabrication method of surge protector device and the device fabricated by the method Dec. 2, 2003
6638334 Sliding contact material comprising Ag-Ni based alloy having Ni metal particles dispersed and clad composite material, and Dc compact motor using the same Oct. 28, 2003
6350294 Powder-metallurgically produced composite material and method for its production Feb. 26, 2002
6210809 Contact material Apr. 3, 2001
6133537 Electric contact structure as well as relay and switch using the same Oct. 17, 2000
6107582 Vacuum valve Aug. 22, 2000
6027821 Contact material for vacuum interrupter and method for producing the same Feb. 22, 2000
5985440 Sintered silver-iron material for electrical contacts and process for producing it Nov. 16, 1999
5973283 Tearable membrane switch with resinous bounded silver-palladium alloy contacts Oct. 26, 1999
5972068 Contact material for vacuum valve Oct. 26, 1999
5972131 Ag-Cu alloy for a sliding contact Oct. 26, 1999
5876862 Sliding contact material, clad compoosite material, commutator employing said material and direct current motor employing said commutator Mar. 2, 1999
5808213 Silver-iron material for electrical switching contacts (II) Sep. 15, 1998
5781993 Method for preventing oxidization of a silver-cadmium object Jul. 21, 1998
5679471 Silver-nickel nano-composite coating for terminals of separable electrical connectors Oct. 21, 1997
5594220 Rotary switch with cam operated sliding contact engaging noble metal stationary contact bar surface Jan. 14, 1997
5516995 Electrical contact compositions and novel manufacturing method May. 14, 1996
5451272 Silver-oxide electric contact material for use in switches for high current Sep. 19, 1995
5420384 Contact material for a vacuum interrupter May. 30, 1995
5409762 Electric contact materials, production methods thereof and electric contacts used these Apr. 25, 1995
5338618 Electric contact material and electric contact using said material Aug. 16, 1994
5270501 Copper-based sintered alloy electrode for use in ignition distributor of internal combustion engine Dec. 14, 1993
5246512 Contact for a vacuum interrupter Sep. 21, 1993
5233143 High-power gas switch with hydride electrodes Aug. 3, 1993
5207842 Material based on silver and tin oxide for the production of electrical contacts; electrical contacts thus produced May. 4, 1993
5066550 Electric contact Nov. 19, 1991
5045281 Contact forming material for a vacuum interrupter Sep. 3, 1991
4980245 Multi-element metallic composite article Dec. 25, 1990
4933520 Electrical contact for use in electromagnetic relay Jun. 12, 1990
4922068 Densified braided switch contact May. 1, 1990
4904317 Erosion resistant Ag-SnO.sub.2 electrical contact material Feb. 27, 1990
4870231 Contact for vacuum interrupter Sep. 26, 1989
4853184 Contact material for vacuum interrupter Aug. 1, 1989
4849303 Alloy coatings for electrical contacts Jul. 18, 1989
4846901 Method of making improved silver-tin-indium contact material Jul. 11, 1989
4817695 Electrical contact material of Ag, SnO.sub.2, GeO.sub.2 and In.sub.2 O.sub. 3 Apr. 4, 1989
4803322 Electrical contacts for electric breakers Feb. 7, 1989
4785137 Novel nickel/indium/other metal alloy for use in the manufacture of electrical contact areas of electrical devices Nov. 15, 1988
4784829 Contact material for vacuum circuit breaker Nov. 15, 1988
4780582 Use of a fusion material of copper and chrome as the contact material for vacuum contactors Oct. 25, 1988
4777335 Contact forming material for a vacuum valve Oct. 11, 1988

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