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:
Mar. 21, 2006
Filed:
Feb. 03, 2004
Applicants:
Donald H. Stedman, Denver, CO (US);
Gary A. Bishop, Louisville, CO (US);
Gary Full, Tucson, AZ (US);
Inventors:
Donald H. Stedman, Denver, CO (US);
Gary A. Bishop, Louisville, CO (US);
Gary Full, Tucson, AZ (US);
Assignee:
Environmental Systems Products Holdings Inc., East Granby, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A remote emissions sensing system and method for sensing exhaust emissions from motor vehicles is provided where the system determines the opacity of an exhaust plume. The system comprises a radiation source that emits radiation which is passed through the exhaust plume of a motor vehicle to one or more detectors arranged to receive the radiation. Multiple wavelength opacity measuring embodiments and monochromatic wavelength opacity measuring embodiments are disclosed.