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:
Sep. 05, 1995
Filed:
Dec. 12, 1994
Applicant:
Inventor:
Thomas A Schenach, Huntington Beach, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; A61L / ;
U.S. Cl.
CPC ...
210774 ; 210750 ; 210764 ; 210765 ; 210766 ; 210800 ; 210805 ; 210168 ; 210171 ; 210177 ; 210188 ; 210196 ; 210295 ; 184-614 ; 184-624 ; 1841041 ; 422 26 ;
Abstract
A process for the recycling of used and contaminated water-based metalworking fluids comprising separation of solid contaminants by settling and filtration, and separation of unemulsifiable tramp oil, reduction in total dissolved solids, removal of destructive bacteria and fungi, and removal of odors and toxic gases by the injection of steam, said process not requiring the use of a centrifuge.