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:
Nov. 28, 2006
Filed:
Dec. 16, 2002
Applicants:
Kenneth Wright, Bridgton, ME (US);
Jeffrey M. Pollard, Gray, ME (US);
Gary Broniarczyk, Fryeburg, ME (US);
Inventors:
Kenneth Wright, Bridgton, ME (US);
Jeffrey M. Pollard, Gray, ME (US);
Gary Broniarczyk, Fryeburg, ME (US);
Assignee:
Radiodetection Limited, Bristol, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 25/00 (2006.01); G01M 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus includes filter for removing a non-tracer gas from detection system and control unit for detecting the presence a low concentration tracer gas in the atmosphere.