US Patent Issued to Yongqiang Zhang on Dec. 2 for "Breast pump" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,208, issued on Dec. 2, was assigned to Yongqiang Zhang (Fuyang, China).

"Breast pump" was invented by Yongqiang Zhang (AH, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A breast pump includes a milk bottle, a silica gel bowl, a silica gel flange and a main machine; the silica gel bowl is mounted inside the milk bottle, the side wall of the silica gel bowl is provided with an one-way valve, the silica gel bowl is provided with a milk collecting cavity and a negative pressure cavity, separated by a deformed wall of the silica gel bowl; the peripheral portion of the silica gel flange is tightly connected with the milk bottle, the central portion ...