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Class Information
Number: 429/56
Name: Chemistry: electrical current producing apparatus, product, and process > Means externally releasing internal gas pressure from closed cell, i.e., valve etc. > Blowout type
Description: Apparatus wherein the release means functions upon reaching a predetermined pressure thereby preventing damage to the apparatus.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611797 |
Lithium secondary battery with safety device |
Nov. 3, 2009 |
| 7579105 |
End cap assembly and vent for high power cells |
Aug. 25, 2009 |
| 7572544 |
Sealed rechargeable battery |
Aug. 11, 2009 |
| 7550225 |
Battery |
Jun. 23, 2009 |
| 7527891 |
Seal for an electrochemical cell |
May. 5, 2009 |
| 7521148 |
Cap assembly and secondary battery utilizing the same |
Apr. 21, 2009 |
| 7517607 |
Lithium ion secondary battery |
Apr. 14, 2009 |
| 7459232 |
Secondary battery having safety valve and method of manufacturing same |
Dec. 2, 2008 |
| 7378179 |
Battery accommodation casing, battery module and assembled battery |
May. 27, 2008 |
| 7335439 |
Hermetically sealed battery |
Feb. 26, 2008 |
| 7276092 |
Electrochemical element in the form of a button cell, and a method for producing an electrochemical element |
Oct. 2, 2007 |
| 7235327 |
Safety vent part and electric energy storage device having the same |
Jun. 26, 2007 |
| 7220796 |
Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member |
May. 22, 2007 |
| 7195839 |
Battery cell with improved pressure relief vent |
Mar. 27, 2007 |
| 7186477 |
Header for rechargeable lithium batteries |
Mar. 6, 2007 |
| 7175935 |
Lithium manganese dioxide cell |
Feb. 13, 2007 |
| 7147962 |
Lithium secondary battery and manufacturing method thereof |
Dec. 12, 2006 |
| 7140380 |
Cell safety valve and cell having same |
Nov. 28, 2006 |
| 7098264 |
Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member |
Aug. 29, 2006 |
| 7074516 |
Vent for cylindrical electrochemical batteries |
Jul. 11, 2006 |
| 7060386 |
Nonaqueous electrolyte solution secondary battery |
Jun. 13, 2006 |
| 6991872 |
End cap seal assembly for an electrochemical cell |
Jan. 31, 2006 |
| 6964690 |
Safety mechanism for rectangular battery and method of manufacturing the same |
Nov. 15, 2005 |
| 6949311 |
Battery structure |
Sep. 27, 2005 |
| 6926992 |
Nonaqueous electrolyte secondary battery |
Aug. 9, 2005 |
| 6887614 |
End cap assembly for an electrochemical cell |
May. 3, 2005 |
| 6887618 |
Electrochemical cell with flat casing and vent |
May. 3, 2005 |
| 6866961 |
Lithium secondary battery and manufacturing method thereof |
Mar. 15, 2005 |
| 6838206 |
Safety plate of secondary battery |
Jan. 4, 2005 |
| 6830736 |
Apparatus for carrying out a heterogeneously catalyzed reaction |
Dec. 14, 2004 |
| 6824917 |
Battery system for a portable electronic device |
Nov. 30, 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 |
| 6805992 |
Battery and portable device |
Oct. 19, 2004 |
| 6777128 |
Secondary battery and fabrication method thereof |
Aug. 17, 2004 |
| 6737187 |
Closed battery |
May. 18, 2004 |
| 6733917 |
Seal for pressurized container with a rupturable seal |
May. 11, 2004 |
| 6723465 |
Nonaqueous electrolyte battery and production method thereof |
Apr. 20, 2004 |
| 6713209 |
Arrangement for implementing a safety feature in a battery |
Mar. 30, 2004 |
| 6703157 |
Cylindrical battery and method for manufacturing the same |
Mar. 9, 2004 |
| 6696196 |
Closed battery container having high volume rapid venting feature |
Feb. 24, 2004 |
| 6682846 |
Charging element device and holding structure therefor |
Jan. 27, 2004 |
| 6649301 |
Sealed battery |
Nov. 18, 2003 |
| 6632559 |
Safety device for sealed battery and sealed battery using it |
Oct. 14, 2003 |
| 6632558 |
Battery construction having pressure release mechanism |
Oct. 14, 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 |
| 6599656 |
Storage cell battery incorporating a safety device |
Jul. 29, 2003 |
| 6589683 |
Regenerative fuel cell learning kit |
Jul. 8, 2003 |
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