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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 |
| 6210824 |
Current interrupt apparatus for electrochemical cells |
Apr. 3, 2001 |
| 6210825 |
Safety valve element for battery and battery case cap with safety valve |
Apr. 3, 2001 |
| 6207320 |
Cap assembly of secondary battery |
Mar. 27, 2001 |
| 6204635 |
Current interrupt apparatus particularly adapted for use with prismatic electrochemical cells |
Mar. 20, 2001 |
| 6183899 |
Maintenance-free open industrial type alkaline electrolyte storage battery |
Feb. 6, 2001 |
| 6171368 |
Gas extraction from closed containers |
Jan. 9, 2001 |
| 6159631 |
Overcharge safety vents on prismatic cells |
Dec. 12, 2000 |
| 6146784 |
Vent plug having an integal seal |
Nov. 14, 2000 |
| 6136464 |
Battery and safety device therefor |
Oct. 24, 2000 |
| 6127062 |
End cap seal assembly for an electrochemical cell |
Oct. 3, 2000 |
| 6080505 |
Electrochemical cell safety vent |
Jun. 27, 2000 |
| 6074775 |
Battery having a built-in controller |
Jun. 13, 2000 |
| 6071637 |
Sealed casing for containing an electric accumulator |
Jun. 6, 2000 |
| 6068945 |
Battery |
May. 30, 2000 |
| 6063518 |
Sealed electrochemical cell equipped with a circuit-breaking terminal |
May. 16, 2000 |
| 6060191 |
Casing for a battery |
May. 9, 2000 |
| 6051332 |
Valve cap for an electric storage cell |
Apr. 18, 2000 |
| 6048637 |
Nonaqueous secondary battery |
Apr. 11, 2000 |
| 6042960 |
Automatic water vapor density control of hydrogen gas |
Mar. 28, 2000 |
| 6037071 |
Current interrupter for electrochemical cells |
Mar. 14, 2000 |
| 6022635 |
Electrochemical cell having a moisture barrier |
Feb. 8, 2000 |
| 6007944 |
Rechargeable lithium-ion cell |
Dec. 28, 1999 |
| 6007937 |
Multicell electric storage battery |
Dec. 28, 1999 |
| 6004687 |
Cylindrical alkaline battery |
Dec. 21, 1999 |
| 6004689 |
Battery case |
Dec. 21, 1999 |
| 6004694 |
Flat accumulator device having an electrochemical cell and electrical contacts |
Dec. 21, 1999 |
| 5993991 |
Battery vent plug improvement |
Nov. 30, 1999 |
| 5985478 |
Pressure responsive cap assembly for rectangular battery |
Nov. 16, 1999 |
| 5981099 |
Pressure relief valve for electric storage batteries |
Nov. 9, 1999 |
| 5962167 |
Non-aqueous liquid electrolyte secondary cell |
Oct. 5, 1999 |
| 5958617 |
Thin type battery |
Sep. 28, 1999 |
| 5939217 |
Battery and protecting element therefor |
Aug. 17, 1999 |
| 5916703 |
Energy storage cell with hydrogen vent |
Jun. 29, 1999 |
| 5912089 |
Alkaline storage battery |
Jun. 15, 1999 |
| 5895728 |
Battery case |
Apr. 20, 1999 |
| 5869207 |
Stabilized electrochemical cell |
Feb. 9, 1999 |
| 5853912 |
Lithium ion electrochemical cell with safety valve electrical disconnect |
Dec. 29, 1998 |
| 5830594 |
Galvanic cell having a resealable vent closure |
Nov. 3, 1998 |
| 5827621 |
Sealed prismatic storage battery |
Oct. 27, 1998 |
| 5789096 |
Gas-tight alkaline accumulator with valve assembly |
Aug. 4, 1998 |
| 5766791 |
Sealed nonaqueous secondary battery |
Jun. 16, 1998 |
| 5763115 |
Resetting the precharge of a group of pressurized gas energy storage cells during service |
Jun. 9, 1998 |
| 5747186 |
Cell and module battery of sealed nickel-metal hydride storage |
May. 5, 1998 |
| 5741606 |
Overcharge protection battery vent |
Apr. 21, 1998 |
| 5731098 |
Secondary cell with terminal cap of safety structure |
Mar. 24, 1998 |
| 5705290 |
Secondary cell safety device including pressure release mechanism and current cutoff mechanism |
Jan. 6, 1998 |
| 5702840 |
Vent cap for a lithium battery |
Dec. 30, 1997 |
| 5691076 |
Leak proof venting system for electric storage battery |
Nov. 25, 1997 |
| 5688611 |
Segmented hydride battery including an improved hydrogen storage means |
Nov. 18, 1997 |
| 5665483 |
Sealed storage battery |
Sep. 9, 1997 |
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