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Class Information
Number: 439/956
Name: Electrical connectors > With means to allow selection of diverse voltage or polarity
Description: Art collection comprising an electrical connector having a particular means enabling it to supply different voltages outputs or to change the direction of power flowing into a circuit.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8469730 Electrical connector and method of manufacturing same Jun. 25, 2013
7931473 Multi-voltage pump with discreet voltage cords Apr. 26, 2011
7751216 Voltage transformer with mechanically actuated voltage-selected switches Jul. 6, 2010
7534104 Adapter for light emitting apparatus used in the medical field May. 19, 2009
7241169 Adapter for power supply Jul. 10, 2007
7229294 Supplying power Jun. 12, 2007
7140922 Multi-outlet AC/DC adapter Nov. 28, 2006
7052299 Low voltage electricity distribution circuit May. 30, 2006
6974342 Connector elements including protective member for preventing connection to certain connector elements Dec. 13, 2005
6960727 Electrical apparatus with cover for retractably housing an electrical cable connected thereto Nov. 1, 2005
6840813 Connecting apparatus for three phase induction motor of electric vehicle Jan. 11, 2005
6790062 Adapter structure Sep. 14, 2004
6790086 Electrical plug Sep. 14, 2004
6722900 Power plug with elastic pieces for positioning Apr. 20, 2004
6699052 Dual voltage power converter Mar. 2, 2004
6638113 Pin configuration adapter for AC-adapter Oct. 28, 2003
6491550 Entertainment system capable of discriminating model of operation device, operation device, and machine body of entertainment system Dec. 10, 2002
6422884 Pre-wired circuit component for flexible wiring system Jul. 23, 2002
6358096 Multiple source power adapter for output power control Mar. 19, 2002
6299477 Self-centering power adapter Oct. 9, 2001
6250939 Adapter with diversified plugs and rectifying function Jun. 26, 2001
6126460 Safety dual plug structure Oct. 3, 2000
6048219 Voltage selection electrical connector Apr. 11, 2000
6030247 Power-supply adapter device Feb. 29, 2000
5967807 AC/DC electric adapter with the large and small plugs Oct. 19, 1999
5902148 Multiple receptacle extension cord May. 11, 1999
5885109 Electrical adapters Mar. 23, 1999
5836777 Electrical outlet device for connection with various types of plugs Nov. 17, 1998
5829993 Charger with a replaceable electrical plug Nov. 3, 1998
5803754 Modified receptacle and plug for low voltage DC distribution Sep. 8, 1998
5738780 Voltage converter for water treatment system UV bulb Apr. 14, 1998
5720628 Power converter with compact cord storge Feb. 24, 1998
5716225 Electrical assembly with dual voltage electrical connector between ballast and high intensity discharge lamp fixture Feb. 10, 1998
5715156 Method and apparatus for providing AC or DC power for battery powered tools Feb. 3, 1998
5713749 Multi-functional charging device Feb. 3, 1998
5660554 Universal plug adaptor Aug. 26, 1997
5616051 A.C. mains adapters for international use Apr. 1, 1997
5593323 Reversible polarity accessory cable Jan. 14, 1997
5580155 Cabinet lighting system Dec. 3, 1996
5577923 125V/250V safety electric socket devices Nov. 26, 1996
5547399 Universal AC adaptor for consumer electronics Aug. 20, 1996
5545046 Charging connector for electric vehicle Aug. 13, 1996
5474464 Electrical adaptor Dec. 12, 1995
5381043 Power supply arrangement and connector Jan. 10, 1995
5372522 Twelve volt direct current adaptor Dec. 13, 1994
5089670 Structure of socket switch Feb. 18, 1992
4998584 Heat exchanger Mar. 12, 1991
4957831 Control apparatus for switching a battery pack Sep. 18, 1990
4911649 Electrical converter device Mar. 27, 1990
4815983 Customizable plugs for A.C. power cords Mar. 28, 1989

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