| |
 |
|
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 |
| 7597992 |
Film covered electrical device, frame member, and housing system for film covered electrical device |
Oct. 6, 2009 |
| 7572544 |
Sealed rechargeable battery |
Aug. 11, 2009 |
| 7527891 |
Seal for an electrochemical cell |
May. 5, 2009 |
| 7521148 |
Cap assembly and secondary battery utilizing the same |
Apr. 21, 2009 |
| 7501197 |
Cap assembly and secondary battery with same |
Mar. 10, 2009 |
| 7432010 |
Battery |
Oct. 7, 2008 |
| 7378179 |
Battery accommodation casing, battery module and assembled battery |
May. 27, 2008 |
| 7378180 |
Air electrode batteries |
May. 27, 2008 |
| 7332244 |
Battery module |
Feb. 19, 2008 |
| 7326489 |
Catalyst design for VRLA batteries |
Feb. 5, 2008 |
| 7294433 |
Closed alkaline storage battery |
Nov. 13, 2007 |
| 7276092 |
Electrochemical element in the form of a button cell, and a method for producing an electrochemical element |
Oct. 2, 2007 |
| 7252903 |
Battery pack |
Aug. 7, 2007 |
| 7244528 |
Aluminum negative electrode battery |
Jul. 17, 2007 |
| 7175936 |
Lithium secondary battery and assembled structure of lithium secondary batteries |
Feb. 13, 2007 |
| 7147962 |
Lithium secondary battery and manufacturing method thereof |
Dec. 12, 2006 |
| 7128437 |
Temperature activated pressure relief mechanism for flashlights and batteries |
Oct. 31, 2006 |
| 7122276 |
Pouch type secondary battery with safety vent |
Oct. 17, 2006 |
| 7101640 |
Screw-in vent plug for lead-acid batteries |
Sep. 5, 2006 |
| 7074255 |
Noble metal gas barriers |
Jul. 11, 2006 |
| 7060386 |
Nonaqueous electrolyte solution secondary battery |
Jun. 13, 2006 |
| 6975096 |
Method and apparatus for regulating charging of electrochemical cells |
Dec. 13, 2005 |
| 6964690 |
Safety mechanism for rectangular battery and method of manufacturing the same |
Nov. 15, 2005 |
| 6953637 |
Catalytic hydrogen vent filter for batteries |
Oct. 11, 2005 |
| 6949310 |
Leak proof pressure relief valve for secondary batteries |
Sep. 27, 2005 |
| 6936373 |
Monobloc battery having a number of interconnected electrochemical cells |
Aug. 30, 2005 |
| 6926992 |
Nonaqueous electrolyte secondary battery |
Aug. 9, 2005 |
| 6908500 |
System and method for controlling gas transport in a fuel cell |
Jun. 21, 2005 |
| 6893771 |
Battery assembly |
May. 17, 2005 |
| 6887614 |
End cap assembly for an electrochemical cell |
May. 3, 2005 |
| 6878486 |
Seal for electrochemical cell |
Apr. 12, 2005 |
| 6878485 |
Mechanical and thermal improvements in metal hydride batteries, battery modules and battery packs |
Apr. 12, 2005 |
| 6866961 |
Lithium secondary battery and manufacturing method thereof |
Mar. 15, 2005 |
| 6861174 |
Electrochemical cell with low volume cover assembly |
Mar. 1, 2005 |
| 6846591 |
Battery casing |
Jan. 25, 2005 |
| 6844104 |
Vent plug system for storage batteries |
Jan. 18, 2005 |
| 6830736 |
Apparatus for carrying out a heterogeneously catalyzed reaction |
Dec. 14, 2004 |
| 6818342 |
Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plat |
Nov. 16, 2004 |
| 6805991 |
Nonaqueous electrolyte solution secondary battery |
Oct. 19, 2004 |
| 6777128 |
Secondary battery and fabrication method thereof |
Aug. 17, 2004 |
| 6743544 |
Electric energy storage device |
Jun. 1, 2004 |
| 6737188 |
Seal for an electrochemical cell |
May. 18, 2004 |
| 6730430 |
Explosion-proof safety structure for column shape lithium battery |
May. 4, 2004 |
| 6713208 |
Vent valve and a storage cell including it |
Mar. 30, 2004 |
| 6703157 |
Cylindrical battery and method for manufacturing the same |
Mar. 9, 2004 |
| 6682846 |
Charging element device and holding structure therefor |
Jan. 27, 2004 |
| 6660425 |
Catalyst design for VRLA batteries |
Dec. 9, 2003 |
| 6653018 |
Electrochemical device |
Nov. 25, 2003 |
| 6645661 |
Seal and bleed valve unit for electric batteries |
Nov. 11, 2003 |
| 6641949 |
Battery vent and method of assembly |
Nov. 4, 2003 |
|
|
|
