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Class Information
Number: 220/203.27
Name: Receptacles > Closures > With condition responsive vent or valve > Responsive to pressure > Spring-biased, axially translating member > One-way, outwardly venting pressure relief valve
Description: Device wherein the vent or valve provides for flow of the pressure medium in only one direction.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6669047 |
Button actuated pressure released and locking devices for pressure cookers |
Dec. 30, 2003 |
| 6648162 |
Button actuated pressure release and locking device for pressure cookers |
Nov. 18, 2003 |
| 6586131 |
Apparatus for releasing gases from rechargeable lithium electrochemical cells during the formation stage of manufacturing |
Jul. 1, 2003 |
| 6478178 |
Fermentation lock for wine barrel |
Nov. 12, 2002 |
| 6435367 |
Closing cap for motor vehicle radiator |
Aug. 20, 2002 |
| 6349842 |
Cover fastenable on a container connection |
Feb. 26, 2002 |
| 6173855 |
Tank closing device for a filler neck of a container |
Jan. 16, 2001 |
| 6158606 |
Pressure setting value for a pressure-cooker |
Dec. 12, 2000 |
| 6036045 |
Cryogenic storage apparatus with lid vent |
Mar. 14, 2000 |
| 5967358 |
Tank filling and pressure relief assembly |
Oct. 19, 1999 |
| 5702018 |
Positive seal fermentation lock for wine barrels |
Dec. 30, 1997 |
| 5640999 |
Venting cap for fill pipe |
Jun. 24, 1997 |
| 5564608 |
Safety gasoline container |
Oct. 15, 1996 |
| 5511575 |
Apparatus for permitting uninterrupted relief of cargo tank compartment internal pressure and preventing leakage of lading from the cargo tank during dynamic pressure surges |
Apr. 30, 1996 |
| 5405040 |
Cap for fuel inlet |
Apr. 11, 1995 |
| RE34238 |
Fuel tank cap with pressure/thermal relief |
May. 4, 1993 |
| 5135024 |
Roll over pressure relief valve |
Aug. 4, 1992 |
| 5031790 |
Vented fuel cap with cam actuated connector |
Jul. 16, 1991 |
| 4958742 |
Container with safety valve |
Sep. 25, 1990 |
| 4899782 |
Steam pressure cooker |
Feb. 13, 1990 |
| 4796777 |
Vented fuel tank cap and valve assembly |
Jan. 10, 1989 |
| 4732188 |
Fuel tank cap with pressure/thermal relief |
Mar. 22, 1988 |
| 4693278 |
Safety closure member |
Sep. 15, 1987 |
| 4595118 |
Air-breather device for oil casing |
Jun. 17, 1986 |
| 4549668 |
Lid with vent valve |
Oct. 29, 1985 |
| 4424915 |
Lid-latching and pressure relieving device for a steam pressure cooker |
Jan. 10, 1984 |
| 4339054 |
Pressure relieved plug and socket cleanout assembly |
Jul. 13, 1982 |
| 4194100 |
Circuit breaker enclosure |
Mar. 18, 1980 |
| 4140148 |
Pressure relief valve for product containers |
Feb. 20, 1979 |
| 4005341 |
Casing construction for pole type dielectric containing transformer |
Jan. 25, 1977 |
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