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:
Jun. 22, 1993

Filed:

Dec. 24, 1991
Applicant:
Inventors:

Osamu Yokono, Fujinomiya, JP;

Shinsuke Yokomachi, Fujinomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210436 ; 55158 ; 21050023 ; 604406 ;
Abstract

A transfusion filtering device for preventing foreign matters from entering into a human body. This transfusion fiber comprises a cylindrical housing, hydrophilic porous hollow fibers disposed in the housing in parallel with the axis of the housing, and hydrophobic porous hollow fibers disposed in the housing along the inner wall of the housing, the upper ends of the hydrophobic porous hollow fibers being exposed to the outer atmosphere so as to discharge air accumulated in the housing.


Find Patent Forward Citations

Yokono, Osamu. (1993). Transfusion filtering device (U.S. Patent No. 5221474). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5221474

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

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