US Patent 11559171 Bath with elliptical air flow and/or moveable bottom

A pet bath may include a tub, a cover connected to an upper rim of the tub, a jet provided in the tub to discharge bubbles, an air outlet provided in the tub to discharge air, and a sterilizer to sterilize the tub. The tub may have a bottom plate that is raised and lowered relative to a bottom frame having a drain and a filter assembly so that liquid in the tub flows between edges of the bottom plate and an inner surface of the tub toward the bottom frame to be drained and filtered.