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:
Jun. 06, 1978
Filed:
Jan. 13, 1977
Applicant:
Inventor:
James L Baird, Winchester, MA (US);
Assignee:
Artisan Industries Inc., Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
159 / ; 159 49 ; 159 / ;
Abstract
A thin-film wiped evaporator with rotary blades having a helical twist, the twist of the blades increasing from the one to the other end so as to provide a maximum twist at the one or the other end of the evaporator.
Baird, James. (1978). Thin-film processing apparatus and method (U.S. Patent No. 4093479). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4093479
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile