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:
Apr. 24, 2007
Filed:
May. 21, 2004
David a Venhaus, Glen Allen, VA (US);
Robert A. Shama, Midlothian, VA (US);
James M. Horvath, Midlothian, VA (US);
Dewey P. Szemenyei, Chesterfield, VA (US);
Richard J. Rohfritch, The Woodlands, TX (US);
Danny Pridemore, Union, KY (US);
David A Venhaus, Glen Allen, VA (US);
Robert A. Shama, Midlothian, VA (US);
James M. Horvath, Midlothian, VA (US);
Dewey P. Szemenyei, Chesterfield, VA (US);
Richard J. Rohfritch, The Woodlands, TX (US);
Danny Pridemore, Union, KY (US);
Afton Chemical Corporation, Richmond, VA (US);
Abstract
A crankcase lubricating system and method for lubricating an engine of a motor vehicle. The crankcase lubricating system includes filterless lubricant circulation system, and a crankcase lubricant containing a fully formulated lubricating base oil meeting or exceeding ILSAC GF-4 or API CI-4 minimum performance standards for engine oils.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile