US Patent 11932446 Fluid flow controller for bottle

A bottle for causing a steady discharge of fluid when inverted that includes a bottle with a small hole in its neck, a disk retainer rim with a center hole and a multiplicity of holes through its annular section, a hollow barrel-like reservoir with a hole at its upper end when in the inverted position and a hole in its side, an air inlet tube perpendicular to the axis of the reservoir, with one end inserted into the side hole of the reservoir and protruding into the inside of the reservoir, the other end of which is extended through the side hole in the neck of the bottle, and a tube axially and angularly inserted into the hole in the upper end of the reservoir and extending to the top and side of the bottle when in the inverted position.