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:
Nov. 23, 1993
Filed:
May. 07, 1991
Applicant:
Inventors:
Richard Kollar, Douai, FR;
Robert Maurage, Saint-Ghislain, FR;
Assignees:
Metaleurop S.A., , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01F / ;
U.S. Cl.
CPC ...
202158 ; 2022671 ; 2022672 ; 2611141 ; 2611145 ;
Abstract
A distillation tray including a use with a distillation column tray and a heating chamber with each tray including a bottom pierced by a through hole and a rim surrounding the bottom and having at least one outside flank. The outside flank includes a plurality of relative projections regularly spaced apart along the rim and constituting undulations. The tray is applicable to metallurgy, and in particular to distilling metals such as zinc.
Kollar, Richard. (1993). Distillation column tray (U.S. Patent No. 5264083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5264083
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile