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. 22, 2014
Filed:
Aug. 21, 2009
Anil K. Sachdev, Rochester Hills, MI (US);
Edward P. Becker, Brighton, MI (US);
Thomas A. Perry, Bruce Township, MI (US);
Emerson J. Adams, Sterling Heights, MI (US);
Thomas C. Pederson, Rochester Hills, MI (US);
Anil K. Sachdev, Rochester Hills, MI (US);
Edward P. Becker, Brighton, MI (US);
Thomas A. Perry, Bruce Township, MI (US);
Emerson J. Adams, Sterling Heights, MI (US);
Thomas C. Pederson, Rochester Hills, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An oil filter and oil-additive dispensing device comprising an oil filter and oil additive replenishment system further comprising: a full-flow oil filter; a by-pass oil filter; an oil additive dispensing system; and an on-vehicle controller to dispense additive as required, track additive consumption and signal the need for a replacement system is described. Also a method of using such oil filter and oil-additive dispensing device to extend the useful life of lubricating oil in a vehicle engine is described.