US Patent Issued to RINNAI on Sept. 22 for "Fine bubble generator, water heater, and dishwasher" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,252, issued on Sept. 22, was assigned to RINNAI Corp. (Nagoya, Japan).

"Fine bubble generator, water heater, and dishwasher" was invented by Shoji Aoki (Nagoya, Japan), Kazuki Matsueda (Nagoya, Japan), Tomoyuki Shimazu (Nagoya, Japan), Kunio Kataoka (Nagoya, Japan), Shinya Furukawa (Nagoya, Japan) and Ikko Amamiya (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The utility model provides a little bubble device, this little bubble device includes: a body has an entry, an export, one lies in the venturi tube mechanism between this entry and this export, and this venturi tube mechanism has a neck that feeds through the external world, a ...