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. 05, 2001
Filed:
Oct. 16, 1998
Aldyr Witter, late of São Leopoldo, BR;
Luis Adolfo Velloso Pradel, Porto Alegre, BR;
Abstract
A method for inverting the convex configuration of a liquid-product storage-tank bottom is described for providing greater efficiency in the removal of undesirable materials that normally accumulate on the tank bottom. A layer of material having plastic properties is placed over the conventional tank bottom except for at least one section from the center of the tank base to the edge. The material with plastic properties hardens over time, thus producing a new bottom having a center at a level below the level of the edge. The part over which the material having plastic properties was not placed forms a flow gutter which leads the liquids and sediments which have to be drained off to the edge.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile