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.

Date of Patent:
Mar. 03, 2026

Filed:

Jun. 28, 2024
Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Taku Murakami, Kyoto, JP;

Hirotaka Watanabe, Kyoto, JP;

Naoya Nonomura, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 33/18 (2006.01); F25B 41/40 (2021.01); F16L 33/02 (2006.01);
U.S. Cl.
CPC ...
F25B 41/40 (2021.01); F16L 33/18 (2013.01); F16L 33/02 (2013.01);
Abstract

A coupling device includes a first connection portion, a second connection portion, a tube portion, and a sealing portion. The first connection portion is connectable to an external socket or plug, and includes a first flow path through which a fluid flows. The second connection portion includes a first inner surface defining a second flow path continuous with the first flow path, and a first outer surface positioned farther outward than the first inner surface. The tube portion includes an end portion to be inserted into the second connection portion, and a second inner surface positioned outside the first outer surface and defining a third flow path. The sealing portion is interposed between the first outer surface and the second inner surface.


Find Patent Forward Citations

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Murakami, Taku. (2026). Coupling device and refrigerant circulation device (U.S. Patent No. 12566015). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12566015

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

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