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. 30, 2013
Filed:
Jan. 31, 2012
Applicant:
Donald H. Stedman, Denver, CO (US);
Inventor:
Donald H. Stedman, Denver, CO (US);
Assignee:
Envirotest Systems Holdings Corp., East Granby, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and/or method for quantifying the presence of one or more components in vehicle exhaust, and more particularly to a non-contact, sampling system and method for quantifying the presence of one or more components in exhaust emissions of commercial and/or heavy-duty vehicles that emit exhaust at an elevated level, under actual operating conditions.