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Class Information
Number: 429/53
Name: Chemistry: electrical current producing apparatus, product, and process > Means externally releasing internal gas pressure from closed cell, i.e., valve etc.
Description: Apparatus having means to release an internal gas pressure to the exterior of a closed cell.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6635379 |
Battery sealing inspection method |
Oct. 21, 2003 |
| 6632558 |
Battery construction having pressure release mechanism |
Oct. 14, 2003 |
| 6620543 |
Electrochemical cell having can vent and cover terminal |
Sep. 16, 2003 |
| 6620544 |
Sealed battery |
Sep. 16, 2003 |
| 6610437 |
Closure assembly for sealed batteries |
Aug. 26, 2003 |
| 6602633 |
Crush type pressure detecting device, rechargeable battery with pressure detecting device, and portable electronic device |
Aug. 5, 2003 |
| 6586131 |
Apparatus for releasing gases from rechargeable lithium electrochemical cells during the formation stage of manufacturing |
Jul. 1, 2003 |
| 6579640 |
Sealed rectangular battery and manufacturing method for the same |
Jun. 17, 2003 |
| 6576361 |
Method and apparatus for isolating a fuel cell assembly from its surroundings |
Jun. 10, 2003 |
| 6562508 |
Secondary cell |
May. 13, 2003 |
| 6555263 |
Sealed battery with internal pressure activated safety mechanism |
Apr. 29, 2003 |
| 6524741 |
Battery package with integral disconnect mechanism |
Feb. 25, 2003 |
| 6521364 |
Flame colorant additive for methanol for the operation of a fuel cell system |
Feb. 18, 2003 |
| 6509115 |
Secondary battery having cap assembly |
Jan. 21, 2003 |
| 6506513 |
Liquid fuel-housing tank for fuel cell and fuel cell |
Jan. 14, 2003 |
| 6500576 |
Hydrogen recombination catalyst |
Dec. 31, 2002 |
| 6472097 |
Rechargeable battery using pressure-crush type protective device and portable electronic device using the rechargeable battery |
Oct. 29, 2002 |
| 6447946 |
Lithium-ion battery |
Sep. 10, 2002 |
| 6444349 |
Sealed nickel-metal hydride storage cell |
Sep. 3, 2002 |
| 6444348 |
Battery sealing plate coated with protective film and battery sealed with the same |
Sep. 3, 2002 |
| 6432572 |
Battery valve and battery using the same |
Aug. 13, 2002 |
| 6428922 |
Electrochemical cell incorporating an external hydrogen removing agent |
Aug. 6, 2002 |
| 6413666 |
Battery with a sheathing member to prevent leakage of electrolytic solution |
Jul. 2, 2002 |
| 6403250 |
Pressure sensitive current breaker for a cell |
Jun. 11, 2002 |
| 6399242 |
Lithium secondary battery |
Jun. 4, 2002 |
| 6392172 |
Pressure-sensitive breaker for battery |
May. 21, 2002 |
| 6376124 |
Electrochemical cell |
Apr. 23, 2002 |
| 6372378 |
Battery casing for armored vehicles |
Apr. 16, 2002 |
| 6368741 |
Stopper plug for storage batteries |
Apr. 9, 2002 |
| 6348281 |
Electrochemical cell having venting cover |
Feb. 19, 2002 |
| 6346344 |
Circuit breaker for secondary battery |
Feb. 12, 2002 |
| 6344292 |
Lithium secondary battery |
Feb. 5, 2002 |
| 6329096 |
Process and apparatus for recovering components of sealed type battery |
Dec. 11, 2001 |
| 6326099 |
Impact modified polystyrene gaskets for electrochemical cells |
Dec. 4, 2001 |
| 6303246 |
Hermetically sealed cell and sealing body |
Oct. 16, 2001 |
| 6300006 |
Electrochemical cell having seal and cover assembly |
Oct. 9, 2001 |
| 6284403 |
Closure assembly for sealed batteries |
Sep. 4, 2001 |
| 6280865 |
Fuel cell system with hydrogen purification subsystem |
Aug. 28, 2001 |
| 6274263 |
Semi-flooded lead acid battery cell |
Aug. 14, 2001 |
| 6274264 |
Cell current cutoff mechanism |
Aug. 14, 2001 |
| 6265096 |
Electrochemical cell having collector electrically insulated from cover |
Jul. 24, 2001 |
| 6261709 |
Air depolarized electrochemical cell having mass-control chamber in anode |
Jul. 17, 2001 |
| 6258477 |
Explosion-proof nonaqueous electrolyte secondary cell and rupture pressure setting method therefor |
Jul. 10, 2001 |
| 6255010 |
Single module pressurized fuel cell turbine generator system |
Jul. 3, 2001 |
| 6255013 |
Sealed storage battery and method of producing same |
Jul. 3, 2001 |
| 6242126 |
Explosion-proof seal plate for enclosed type cell and production method thereof |
Jun. 5, 2001 |
| 6235424 |
Cap assembly for secondary battery and method for assembling the same |
May. 22, 2001 |
| 6235419 |
Sealed storage battery |
May. 22, 2001 |
| 6225785 |
Electrical safety test apparatus and test method for rechargeable lithium batteries |
May. 1, 2001 |
| 6214492 |
Hydrogen-absorbing alloy, electrode and secondary battery |
Apr. 10, 2001 |
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