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Class Information
Number: 429/6
Name: Chemistry: electrical current producing apparatus, product, and process > With pressure equalizing means for liquid immersion operation
Description: Apparatus having means to equalize the pressure between the inside of a casing and the surrounding liquid environment when the apparatus is immersed.

Patents under this class:

Patent Number Title Of Patent Date Issued
8597806 Method for operating fuel cells with passive reactant supply Dec. 3, 2013
8293388 Thermal energy battery and method for cooling temperature sensitive components Oct. 23, 2012
7427452 Operating electrolyte based components Sep. 23, 2008
7005206 Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device Feb. 28, 2006
6168882 Seawater electric power system Jan. 2, 2001
5712061 Electrode arrangement for use in a battery having a liquid electrolyte Jan. 27, 1998
5360678 High energy density pressure tolerant cell Nov. 1, 1994
5225291 Deferred actuated battery assembly Jul. 6, 1993
5178972 Power cell with new configuration Jan. 12, 1993
4225655 Watertight battery box Sep. 30, 1980
4198474 Seawater battery Apr. 15, 1980
4109062 Submersible battery apparatus Aug. 22, 1978
4087590 Pressure-equalized electrochemical battery system May. 2, 1978
4012234 Water activation and pressure equalization of electrochemical batteries Mar. 15, 1977
3977902 Fuel cell system Aug. 31, 1976

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