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.:
Date of Patent:
Dec. 09, 2025
Filed:
Dec. 12, 2022
Applicant:
Mayekawa Mfg. Co., Ltd., Tokyo, JP;
Inventor:
Takashige Inaba, Tokyo, JP;
Assignee:
MAYEKAWA MFG. CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/42 (2006.01); F04B 39/10 (2006.01);
U.S. Cl.
CPC ...
F16K 1/427 (2013.01); F04B 39/1086 (2013.01);
Abstract
A valve seat unit according to an embodiment of the present disclosure, includes: a base; a valve seat including a seat surface for a valve to sit on and configured separately from the base; and a bolt securing the valve seat to the base. A head portion of the bolt is located between the seat surface and a seat back surface of the valve seat located opposite to the seat surface.