US Patent Issued to MEIDENSHA on Oct. 14 for "Bubble generation device and liquid filtration device" (Singaporean, Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,811, issued on Oct. 14, was assigned to MEIDENSHA Corp. (Tokyo).

"Bubble generation device and liquid filtration device" was invented by Hiroshi Noguchi (Singapore), Akitoshi Nakagawa (Tokyo) and Terutake Niwa (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bubble generation device is provided which is capable of efficiently peeling off contaminants from a surface of a filtration membrane. There is provided a bubble discharge chamber disposed above a turnaround portion of a turnaround path. The turnaround path includes a first communication port communicating with a gas storage chamber and a second communication port communicating with t...