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:
Nov. 20, 2007

Filed:

Jun. 17, 2005
Applicants:

Ted S. Loftis, Cookeville, TN (US);

David L. Brisk, Aurora, CO (US);

Barry M. Verdegan, Stoughton, WI (US);

Harold R. Martin, Jr., Cookeville, TN (US);

Peter K. Herman, Cookeville, TN (US);

Ismail C. Bagci, Cookeville, TN (US);

Abby True-dahl, Sparta, TN (US);

Inventors:

Ted S. Loftis, Cookeville, TN (US);

David L. Brisk, Aurora, CO (US);

Barry M. Verdegan, Stoughton, WI (US);

Harold R. Martin, Jr., Cookeville, TN (US);

Peter K. Herman, Cookeville, TN (US);

Ismail C. Bagci, Cookeville, TN (US);

Abby True-Dahl, Sparta, TN (US);

Assignee:

Fleet Guard, Inc., Nashville, TN (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 11/00 (2006.01); B01D 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pressure gradient dosing system is provided for a fluid supply system. A flow passage has first and second pressure zones having a pressure gradient therebetween. An additive reservoir in an additive delivery system responds to the pressure gradient to release additive to the flow passage.


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