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:
Aug. 11, 2009
Filed:
Aug. 23, 2006
Applicants:
Jonathan W. Leach, Killingworth, CT (US);
Charles T. Pearson, Northford, CT (US);
Inventors:
Jonathan W. Leach, Killingworth, CT (US);
Charles T. Pearson, Northford, CT (US);
Assignee:
Honeywell International Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 17/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backdraft detector incorporates at least one oxygen sensor in combination with a flow sensor. Both sensors are coupled to control circuitry which evaluates sensed oxygen levels of a flowing sample being monitored by the flow sensor.