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. 06, 1983
Filed:
Mar. 04, 1982
Applicant:
Inventors:
Dah Y Cheng, Los Altos, CA (US);
Steve J Wiersma, Sunnyvale, CA (US);
Assignee:
International Power Technology, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
202200 ; 55158 ; 159D / ; 203 11 ; 203D / ;
Abstract
Apparatus and method for improved thermal membrane distillation utilizes a composite membrane comprised of a microporous lyophobic layer having deposited thereon an essentially nonporous lyophilic coating.
Cheng, Dah. (1983). Apparatus and method for thermal membrane distillation (U.S. Patent No. 4419187). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4419187
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile