US Patent Issued to Shibata on Oct. 27 for "Fine bubble generator and water treatment device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,225, issued on Oct. 27, was assigned to Shibata Corp. (Aichi, Japan).

"Fine bubble generator and water treatment device" was invented by Yoshiki Shibata (Aichi, Japan) and Kouji Hanamura (Aichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a fine bubble generator having a structure in which a columnar portion protrudes from an orifice of a tubular member, the presence of the columnar portion inhibits a flow of a fluid, so that a flow rate of the fluid that generates fine bubbles is limited. In addition, foreign matter may be sandwiched between the columnar portions. It takes time and effort to manufacture the columnar portions. Furthermor...