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:
Aug. 05, 2025
Filed:
Aug. 11, 2023
Applicant:
Ipv, Seoul, KR;
Inventors:
Assignee:
IPV, Seoul, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04B 43/04 (2006.01); A61M 5/142 (2006.01); A61M 5/145 (2006.01); A61M 5/172 (2006.01); F04B 53/14 (2006.01); A61M 5/158 (2006.01);
U.S. Cl.
CPC ...
A61M 5/14586 (2013.01); A61M 5/14224 (2013.01); A61M 5/14248 (2013.01); A61M 5/1723 (2013.01); F04B 43/04 (2013.01); F04B 53/143 (2013.01); A61M 2005/14252 (2013.01); A61M 2005/1585 (2013.01);
Abstract
The present disclosure provides a pump including a housing having a shaft hole, a membrane assembly disposed inside the housing, and a shaft assembly mounted on the housing. The shaft assembly includes a shaft inserted into the shaft hole, and a sealing member disposed on an end portion of the shaft and having a plurality of contact regions on an inner surface of the housing along a longitudinal direction of the shaft.