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.

Date of Patent:
Aug. 17, 1993

Filed:

Dec. 20, 1991
Applicant:
Inventors:

Michael W McCarty, Rowlett, TX (US);

James M Taylor, Grand Prairie, TX (US);

Lloyd A Baillie, Plano, TX (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B02C / ; B30B / ;
U.S. Cl.
CPC ...
241 24 ; 241 791 ; 2411012 ; 241D / ; 100 37 ; 100 91 ; 100 96 ; 100110 ; 100131 ; 209219 ; 209248 ; 209691 ; 209930 ;
Abstract

A system and method for recycling used oil filters by shredding the filters to facilitate separation of the metal and nonmetal filter components and to release free oil trapped inside the filters, separating the metal and nonmetal filter components using combined magnetic and gravitational means, compressing the nonmetal filter components, and recovering the oil therefrom.


Find Patent Forward Citations

Loading…