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Class Information
Number: 137/68.12
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Combined destructible and fusible element
Description: Subject matter in which the element breaks and melts at a specific temperature to control the fluid flow or has, in addition to the destructible element, a separate element which melts at a specific temperature to control the fluid flow.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7353881 |
Ganged fire extinguisher system |
Apr. 8, 2008 |
| 6955226 |
Ganged fire extinguisher system |
Oct. 18, 2005 |
| 6923199 |
Damage resistant valve assembly |
Aug. 2, 2005 |
| 6802332 |
Shear valve |
Oct. 12, 2004 |
| 6742538 |
Method and apparatus for orbital and seal welded relief device on a compressed gas cylinder |
Jun. 1, 2004 |
| 6571818 |
Damage resistant break away valve stem |
Jun. 3, 2003 |
| 6488044 |
Pressure relief apparatus |
Dec. 3, 2002 |
| 6471082 |
Fusible pressure relieving drum closure |
Oct. 29, 2002 |
| 6341616 |
Fire protection fluid relief valve |
Jan. 29, 2002 |
| 6321768 |
Fluid flow shutdown and pressure relief valve with a fusable element |
Nov. 27, 2001 |
| 6296808 |
Method and apparatus for protecting building personnel during chemical or biological attack |
Oct. 2, 2001 |
| 6209569 |
Safety shut-off valve assembly for a fuel dispenser |
Apr. 3, 2001 |
| 5765587 |
Automatic valves |
Jun. 16, 1998 |
| 5730169 |
Temperature and impact sensitive safety valve |
Mar. 24, 1998 |
| 5647390 |
Thermal relief valve with improved bayonet |
Jul. 15, 1997 |
| 5551470 |
Thermally responsive pressure relief apparatus |
Sep. 3, 1996 |
| 5542445 |
Temperature and impact sensitive safety valve |
Aug. 6, 1996 |
| 5435333 |
Thermally responsive pressure relief apparatus |
Jul. 25, 1995 |
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