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:
Jan. 18, 2005
Filed:
Nov. 06, 2002
Applicants:
Richard H. Bair, Iii, Weaverville, NC (US);
Charles G. Butts, Weaverville, NC (US);
Bryan M. Elwood, Candler, NC (US);
Inventors:
Richard H. Bair, III, Weaverville, NC (US);
Charles G. Butts, Weaverville, NC (US);
Bryan M. Elwood, Candler, NC (US);
Assignee:
Kendro Laboratory Products, L.P., Newtown, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 900 ;
U.S. Cl.
CPC ...
Abstract
A carbon dioxide gas measurement and control system and method which comprises a thermal conductivity absolute humidity sensor which measures carbon dioxide during dynamic temperature and humidity changes by isolating the particular sensor response for absolute humidity and temperature, i.e., Vm(D,T) in order to track carbon dioxide concentration.