Gas cap assembly

Gasket valve

Hot drink cup lid with cooling air-flow

Keg cap

Leakproof vented beverage lid

Lid for a cooking utensil

Lid for cooking utensils

Light-sealing cap with feature for addition of materials

Liquid tank cap having a vent

Manual relief gas vent

Microwave dish cover

Moisture recirculating cover for microwave oven dish

Off-road vehicle fuel cap

Oil reservoir cap with concentric baffles

Oil reservoir having a cap with cylindrical baffles defining lab

Overflow and vent cap for a container

Perforated cover assembly

Plastic container with vent means

Plastic sealing cover

Pressure compensating element for electrical device enclosure