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Browse by Category: Main > Chemistry
Class Information
Number: 429/1
Name: Chemistry: electrical current producing apparatus, product, and process > Having polarity safety feature
Description: Apparatus having structural means to connect the terminals in a desired polarity relationship.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8632898 Battery system including batteries that have a plurality of positive terminals and a plurality of negative terminals Jan. 21, 2014
8628879 Magnetic resonance (MR) conditional medical equipment for use in MR environments Jan. 14, 2014
8614017 Electrochemical cell with electrode elements that include alignment aperatures Dec. 24, 2013
8512885 Battery and method of use Aug. 20, 2013
8455120 Secondary battery Jun. 4, 2013
8440333 Fuel cell and electronic apparatus May. 14, 2013
8431260 Interconnection system for an energy storage assembly Apr. 30, 2013
8378629 Flexible size and orientation battery system Feb. 19, 2013
8288024 Power supply pack structure Oct. 16, 2012
7897275 Electrical rechargeable battery Mar. 1, 2011
7898213 Multi-battery charger Mar. 1, 2011
7884573 Flexible size and orientation battery system Feb. 8, 2011
7857658 Multiple orientation battery connector Dec. 28, 2010
7714534 Multiple function current-sharing charging system and method May. 11, 2010
7635535 Battery pack comprising a battery and a terminal unit Dec. 22, 2009
7632581 Battery box Dec. 15, 2009
7550213 Tool system having rechargeable battery pack Jun. 23, 2009
7494368 DC adapter and electronic apparatus using the same Feb. 24, 2009
7390214 Wireless battery snap Jun. 24, 2008
7354301 DC adapter and electronic apparatus using the same Apr. 8, 2008
7342360 Flashlight Mar. 11, 2008
7193389 Electronic apparatus Mar. 20, 2007
7157182 Battery Jan. 2, 2007
7118817 Coin cell protection against reverse insertion in cell holder Oct. 10, 2006
7081318 Battery container Jul. 25, 2006
7008721 Battery and lead-insulating film Mar. 7, 2006
6958199 Battery Oct. 25, 2005
6917183 Battery pack for sterile transfer battery container Jul. 12, 2005
6911279 Battery holder for coin cell Jun. 28, 2005
6790545 Battery holder with battery releasing mechanism Sep. 14, 2004
6759152 Rechargeable battery equipped with battery protection circuit Jul. 6, 2004
6749649 Method and device for mounting cell Jun. 15, 2004
6743535 Structure for preventing reverse insertion of a storage battery Jun. 1, 2004
6676440 Coin type electric element and printed circuit board with a coin type electric element Jan. 13, 2004
6579644 Connecting structure for battery terminals Jun. 17, 2003
6472089 Bottom cover design for battery with reverse protection Oct. 29, 2002
6398595 Construction for preventing erroneous assembling of battery terminals, a battery and a set of terminals Jun. 4, 2002
6391489 Battery terminal jumper clip May. 21, 2002
6376109 Method and device for mounting cell Apr. 23, 2002
6322920 Fuel cell isolation system Nov. 27, 2001
6291970 Device for reverse polarization protection for a battery Sep. 18, 2001
6265091 Modular electric storage battery Jul. 24, 2001
6228526 Battery pack having durable terminals May. 8, 2001
6205034 Protection device for protecting an electrical component and method of assembling a battery with a protection device and an electrical component Mar. 20, 2001
6133645 Electronic device disconnect circuit Oct. 17, 2000
6117575 Battery compartment Sep. 12, 2000
6004687 Cylindrical alkaline battery Dec. 21, 1999
5962159 Battery pack which can be attached independent of orientation Oct. 5, 1999
5916698 Apparatus comprising an electrical device and a battery holder Jun. 29, 1999
5874181 Battery container Feb. 23, 1999

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