US Patent 12123184 Gasket seals for drain closures

An exemplary embodiment, among others, of the present disclosure is directed to a drain closure assembly. Such an assembly has a domed cap at a top portion of the drain closure assembly and a flange that is positioned below the domed cap. The assembly further includes a stem that extends from below the flange to a bottom portion of the drain closure assembly and a gasket seal that is positioned around the stem at a bottom of the drain closure assembly. The gasket seal has a frusto-conical shape, wherein a top portion of the gasket seal has a wider diameter than a bottom portion of the gasket seal, and the gasket seal has a central circular opening that fits closely around the stem.