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:
Oct. 06, 1987
Filed:
Jun. 27, 1985
Applicant:
Inventor:
John Atkin, Corona del Mar, CA (US);
Assignee:
Akzo NV, Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2103216 ; 2103232 ; 2104332 ; 21050023 ; 210927 ;
Abstract
A very small uniform fluid stream is produced and kept constant over a prolonged period by using at least one fluid-permeable membrane which can be composed of hollow filaments, and the method and apparatus can be used, for example in cardiac catheterization and blood pressure measurement in the blood.