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Class Information
Number: 220/89.1
Name: Receptacles > Container attachment or adjunct > Pressure relief means
Description: Receptacle wherein the attachment includes means to relieve excess pressure (usually gas) within the container.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7496995 |
Containment device |
Mar. 3, 2009 |
| 7294354 |
Container with gas release feature |
Nov. 13, 2007 |
| 7243683 |
Overpressure valve for the content of a package |
Jul. 17, 2007 |
| 7234278 |
Unitary overpressure vent panel structure |
Jun. 26, 2007 |
| 7178555 |
Pressure relief valve |
Feb. 20, 2007 |
| 7095606 |
Electric switchgear with an enclosed design |
Aug. 22, 2006 |
| 7077282 |
Explosion-proof container |
Jul. 18, 2006 |
| 7077296 |
Dispensing valve |
Jul. 18, 2006 |
| 7025807 |
Method for absorbing vapors and gases from pressure vessels |
Apr. 11, 2006 |
| 6622880 |
Foam insert for pressure vessels |
Sep. 23, 2003 |
| 6571972 |
Bulk drum lid with two bung openings |
Jun. 3, 2003 |
| 6457613 |
Container equipped with protective seal |
Oct. 1, 2002 |
| 6431383 |
Enhanced reverse buckling rupture disc |
Aug. 13, 2002 |
| 6427874 |
Dispensing valve |
Aug. 6, 2002 |
| 6378717 |
Removable closure cap with temperature dependent control element |
Apr. 30, 2002 |
| 6367203 |
Rupture panel |
Apr. 9, 2002 |
| 6349842 |
Cover fastenable on a container connection |
Feb. 26, 2002 |
| 6308735 |
Weldable fuel tank valve apparatus |
Oct. 30, 2001 |
| 6308852 |
Tank cap and fuel tank with the same |
Oct. 30, 2001 |
| 6279783 |
Dispensing valve |
Aug. 28, 2001 |
| 6241113 |
Enhanced reverse buckling rupture disc |
Jun. 5, 2001 |
| 6230940 |
One-Piece dispensing system and method for making same |
May. 15, 2001 |
| 6189567 |
Tank valve mounting assembly |
Feb. 20, 2001 |
| 6159631 |
Overcharge safety vents on prismatic cells |
Dec. 12, 2000 |
| RE36927 |
Push-on fuel cap |
Oct. 31, 2000 |
| 6065485 |
Two-way pressure relief assembly and method |
May. 23, 2000 |
| 6056439 |
High flow/volume valve for flexible packaging |
May. 2, 2000 |
| 6042852 |
Low pressure refrigerated dough product |
Mar. 28, 2000 |
| 5992635 |
Pressure vacuum release hermetic valve for flexible packages |
Nov. 30, 1999 |
| 5971203 |
Quick release vent apparatus for a fuel tank |
Oct. 26, 1999 |
| 5944205 |
Automatic air venting rigid plastic baby bottle |
Aug. 31, 1999 |
| 5918478 |
Insulated chest and method |
Jul. 6, 1999 |
| 5893461 |
Pressure vacuum release hermetic valve for flexible packages |
Apr. 13, 1999 |
| 5878905 |
Container-type switchgear |
Mar. 9, 1999 |
| 5839614 |
Dispensing package |
Nov. 24, 1998 |
| 5829629 |
Compressed gas cylinder container |
Nov. 3, 1998 |
| 5769258 |
Pressure vessels |
Jun. 23, 1998 |
| 5735424 |
Fuel port access door connected automobile gas cap assembly |
Apr. 7, 1998 |
| 5730183 |
Valve for venting a container |
Mar. 24, 1998 |
| 5704514 |
Composite pressure vessel |
Jan. 6, 1998 |
| 5685448 |
Explosion protection lid in lightweight construction, especially for pipelines |
Nov. 11, 1997 |
| 5638980 |
Fluid storage safety device |
Jun. 17, 1997 |
| 5607074 |
Baby bottle with pressure relief valve |
Mar. 4, 1997 |
| 5584409 |
One direction ventilation valves |
Dec. 17, 1996 |
| 5579942 |
Vacuum support and rupture disk assembly |
Dec. 3, 1996 |
| 5575397 |
Apparatus for protecting the relief vent on a double-walled tank for surging liquid |
Nov. 19, 1996 |
| 5547694 |
Container for refrigeratable yeast-leavened doughs |
Aug. 20, 1996 |
| 5542706 |
Motor vehicle fuel system |
Aug. 6, 1996 |
| 5461831 |
Assemblage and method for relieving overpressure in an enclosure |
Oct. 31, 1995 |
| 5462193 |
Composite pressure vessel |
Oct. 31, 1995 |
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