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:
May. 31, 1994
Filed:
Dec. 15, 1992
Applicant:
Inventor:
Melvin H Brown, Morning Sun, IA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
95 31 ; 95 45 ; 96-4 ; 55465 ; 55525 ;
Abstract
A membrane having a multiplicity of openings therethrough which are sized and shaped to utilize the random motion of molecules of gas to produce gas flow through the membrane predominantly in one direction. Such a membrane can be used in power systems, gas separation systems and other systems which utilize fluid flow.