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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 12480536 B1

PDFFull Text
Date of Patent:
Nov. 25, 2025

Filed:

Jun. 16, 2023

Pressure applying device

Applicant:

Eagle Industry Co., Ltd., Tokyo, JP;

Inventors:

Yoshihiro Ogawa, Tokyo, JP;

Kuniaki Miyake, Tokyo, JP;

Noriyuki Ogawa, Tokyo, JP;

Assignee:

EAGLE INDUSTRY CO., LTD., Tokyo, JP;

Attorney:

HAYES SOLOWAY P.C.

Primary Examiner:

Michael Leslie

Int. Cl.
CPC ...
F15B 15/08 (2006.01); F15B 1/04 (2006.01); F15B 15/20 (2006.01); F15B 15/14 (2006.01); F15B 15/24 (2006.01);
U.S. Cl.
CPC ...
F15B 15/08 (2013.01); F15B 1/045 (2013.01); F15B 15/204 (2013.01); F15B 15/1461 (2013.01); F15B 15/1471 (2013.01); F15B 15/24 (2013.01); F15B 2201/31 (2013.01); F15B 2201/312 (2013.01); F15B 2215/30 (2013.01);
Abstract

There is provided a pressure applying device capable of applying pressure to a working object with a substantially constant force through a compact structure. The pressure applying device includes a pressure accumulating portion; a piston including a small-diameter portion inserted into a cylinder portion on a pressure accumulating portion side, and a large-diameter portion disposed close to a working object W; and a tubular body extending from the large-diameter portion to the cylinder portion. A lubricating fluid is held inside the tubular body.

Find Patent Forward Citations

Ogawa, Yoshihiro. (2025). Pressure applying device (U.S. Patent No. 12480536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12480536

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

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