Fuel tank cap
Fuel tank cap
Fuel tank cap
Fuel tank cap for motor vehicle
Fuel tank vacuum-relief system
Fuel tank vent valve
Fuel tank venting valve
Fuel vapor control system
Fusible pressure relieving drum closure
Gas cap with clamp-in roll-over valve
Gas stopper and methods of constructing and utilizing same
Gas tank cap with roll-over valving
Housings with safety pressure relief means thereon
Hygienic pressure relief panel unit
Lid button with a controllable steam outlet
Lid with a valve-containing knob for a cooking utensil
Lid with vent valve
Liquid splash control fuel cap
Lockable closure cap
Low pressure relief valve for fixed and movable systems