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:
May. 13, 1997
Filed:
Apr. 30, 1993
Applicant:
Inventors:
William L Lawrence, Louisville, KY (US);
Robert D Coyle, Louisville, KY (US);
Assignee:
Castrol Industrial North America Inc., Downers Grove, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210251 ; 210184 ; 210186 ; 210188 ; 210239 ; 210240 ; 210489 ; 2105101 ; 210D / ; 202205 ; 202236 ; 2022671 ; 159-5 ; 159-61 ; 159 131 ; 159D / ; 196 461 ; 196114 ; 196128 ; 203 72 ; 203 91 ; 203 14 ; 203 39 ;
Abstract
A single vessel with no moving parts is constructed to perform the functions of coalescing, vacuum dehydration, and thin film evaporation.