ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,559, issued on Sept. 29, was assigned to Beijing Kohler Ltd. (Beijing).
"Showerhead stored with cleaning liquid" was invented by Shaopei Wei (Beijing) and Sai Yang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shower device includes a shower device body. The shower device body includes a body water channel, a shower head with spray holes, a storage box for storing cleaning liquid, a control valve, and a one-way valve. The shower head is connected to the shower device body, and the spray holes are fluidly coupled to the body water channel. The storage box includes a liquid inlet and a liquid outlet and is installed in the shower device b...