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:
Jul. 23, 1991
Filed:
Feb. 09, 1990
Applicant:
Inventors:
Johannes A Hamer, the Hague, NL;
Pieter van der Heijden, the Hague, NL;
Pieter J Hoek, the Hague, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
202158 ; 202197 ; 196100 ; 196114 ; 196133 ; 203 40 ; 203 91 ; 203D / ;
Abstract
A draw-off device is disclosed for a vacuum distillation column in which device a layer of gutters is provided. A secondary wall is arranged in the gutters creating a heat-insulating layer to reduce the condensation of vapor passing along the outer walls of the gutters.
Hamer, Johannes. (1991). Distillation column with a draw-off device (U.S. Patent No. 5034103). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5034103
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile