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Class Information
Number: 137/260
Name: Fluid handling > Plural tanks or compartments with parallel flow > Battery or electrolytic cell replenishment
Description: Apparatus in which the tanks or compartments are storage battery or electrolytic cells and means is provided for supplying liquid thereto, usually to maintain a constant liquid level in the cells.










Sub-classes under this class:

Class Number Class Name Patents
137/261 Barometric supply 7


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8709629 Systems and methods for redox flow battery scalable modular reactant storage Apr. 29, 2014
8652668 Secondary battery; solar power generation system, wind power generation system, and vehicle provided therewith; and method for fabrication of a secondary battery Feb. 18, 2014
8484834 Plant for the electrochemical formation of lead-acid batteries Jul. 16, 2013
8286676 Plant for electrochemical forming of lead-acid batteries Oct. 16, 2012
8047241 Method for filling electrolyte into battery cell and apparatus for carrying out the method Nov. 1, 2011
7713652 Single point battery watering system with pivot float and ball valve May. 11, 2010
7645536 Fuel cell, fuel cartridge and fuel cell system Jan. 12, 2010
7610124 Control device for motor-driven vehicle Oct. 27, 2009
7556056 Single point battery watering system with pivot float and ball valve Jul. 7, 2009
7392820 Liquid shut-off valve Jul. 1, 2008
7104272 Vehicle battery fluid supply system with vacuum source Sep. 12, 2006
7040431 Fuel cell hybrid vehicle with automatically watered aqueous batteries May. 9, 2006
7029786 Single point watering apparatus for lead-acid battery Apr. 18, 2006
6981516 Fail save shut off valve for filtering systems employing candle filters Jan. 3, 2006
6786226 Battery fluid supply system Sep. 7, 2004
6782913 Apparatus for use of single point watering system with monobloc lead-acid batteries Aug. 31, 2004
6732755 Attachment mechanism for attaching ports to liquid containers May. 11, 2004
6718996 Filling pod for a battery, vehicle and method of supplying fluid to a battery Apr. 13, 2004
6644338 Apparatus for use of single point watering system with monobloc lead-acid batteries Nov. 11, 2003
6622744 Filling pod for a battery, vehicle and method of supplying fluid to a battery Sep. 23, 2003
6554025 Multiple container filling system Apr. 29, 2003
6446681 Filler unit for topping up a container with liquid Sep. 10, 2002
6431201 Wet battery and vehicle-based water management system Aug. 13, 2002
6338368 Electric golf car battery refill system Jan. 15, 2002
6227229 High gain fluid control valve assembly May. 8, 2001
6213145 Battery water supply system for a battery-powered utility vehicle Apr. 10, 2001
6164309 Liquid filling device Dec. 26, 2000
6120929 Lid for accumulator batteries and charging devices co-operating with said lid Sep. 19, 2000
6106968 Smart valve regulated lead acid battery with embedded electronic monitoring and fluid fill system Aug. 22, 2000
6053221 Battery filling apparatus Apr. 25, 2000
6036446 Fluid transfer with concurrent system movement for liquid and vacuum Mar. 14, 2000
5914201 Filling fixture for electric vehicle cell Jun. 22, 1999
5902694 Water top-up plug for batteries containing a liquid electrolyte May. 11, 1999
5862830 Water replenishing plug for a battery containing a liquid electrolyte Jan. 26, 1999
5841355 Optimum electrolyte level sensing method and the automatic topping up apparatus for storage wet cell Nov. 24, 1998
5832946 Low profile battery refill system Nov. 10, 1998
5803138 Filling device for battery cells with a float-operated valve Sep. 8, 1998
5738690 Method of filling battery cell Apr. 14, 1998
5731099 Apparatus for charging a controlled volume of an electrolyte to battery case Mar. 24, 1998
5615717 Electrolyte distributing system and method Apr. 1, 1997
5453334 Automatic battery watering system Sep. 26, 1995
5356733 Battery acid deflector Oct. 18, 1994
5309937 Float valve for filling systems, in particular, for filling electric traction batteries May. 10, 1994
5284176 Battery refill system Feb. 8, 1994
5090442 Field repairable apparatus for use in filling containers to a predetermined level Feb. 25, 1992
4751156 Cap for accumulator elements with device for automatic filling Jun. 14, 1988
4527593 Apparatus and system for filling one or more containers with a liquid to a predetermined level Jul. 9, 1985
4386141 Watering device for batteries May. 31, 1983
4353968 Battery water-filling systems and check valves therefor Oct. 12, 1982
4350185 Liquid replenishment system for accumulator cells Sep. 21, 1982

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