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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12741252 B1

PDFFull Text
Date of Patent:
Sep. 22, 2026

Filed:

Oct. 19, 2022

Fine bubble generator, water heater, and dishwasher

Applicant:

Rinnai Corporation, Nagoya, JP;

Inventors:

Shoji Aoki, Nagoya, JP;

Kazuki Matsueda, Nagoya, JP;

Tomoyuki Shimazu, Nagoya, JP;

Kunio Kataoka, Nagoya, JP;

Shinya Furukawa, Nagoya, JP;

Ikko Amamiya, Nagoya, JP;

Assignee:

RINNAI CORPORATION, Nagoya, JP;

Attorney:

K&L Gates LLP

Primary Examiner:

Christopher P Jones

Int. Cl.
CPC ...
B01D 53/02 (2006.01); A47L 15/42 (2006.01); B01F 23/232 (2022.01); B01F 23/2373 (2022.01); B01F 25/10 (2022.01); B01F 25/312 (2022.01); B01F 35/00 (2022.01); F24H 9/00 (2022.01); B01F 101/00 (2022.01);
U.S. Cl.
CPC ...
B01F 23/232 (2022.01); A47L 15/4214 (2013.01); B01F 23/2373 (2022.01); B01F 25/103 (2022.01); B01F 25/3121 (2022.01); B01F 25/31232 (2022.01); B01F 35/55 (2022.01); F24H 9/0015 (2013.01); B01F 2101/305 (2022.01);
Abstract

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 bubble refines the mechanism, has the passageway that an at least cross-section is lighter than the cross-section of this entry, and an at least passageway feeds through between this venturi tube mechanism and export, the body still includes a cylinder part, this venturi tube mechanism holding in this cylinder part, this cylinder part pass through be equipped with one with the air inlet hole of neck intercommunication. The utility model discloses a little bubble device can provide very careful and careful foam water stream.

Find Patent Forward Citations

Aoki, Shoji. (2026). Fine bubble generator, water heater, and dishwasher (U.S. Patent No. 12741252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12741252

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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