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:
Dec. 14, 2010
Filed:
Oct. 26, 2007
Max A. Bailey, Bartlesville, OK (US);
Vince B. Hadley, Bartlesville, OK (US);
Jonathan W. Asher, Bartlesville, OK (US);
Rodney Wayne Dilbeck, Bartlesville, OK (US);
Anthony P. Walker, Bartlesville, OK (US);
Steven Gene Lakey, Bartlesville, OK (US);
Stephen P. Paetz, Bartlesville, OK (US);
Brent E. Berry, Bartlesville, OK (US);
Robert W. Rutledge, Collinsville, OK (US);
Max A. Bailey, Bartlesville, OK (US);
Vince B. Hadley, Bartlesville, OK (US);
Jonathan W. Asher, Bartlesville, OK (US);
Rodney Wayne Dilbeck, Bartlesville, OK (US);
Anthony P. Walker, Bartlesville, OK (US);
Steven Gene Lakey, Bartlesville, OK (US);
Stephen P. Paetz, Bartlesville, OK (US);
Brent E. Berry, Bartlesville, OK (US);
Robert W. Rutledge, Collinsville, OK (US);
ABB Inc., Cary, NC (US);
Abstract
A gas chromatograph for connection to a source of carrier gas and a source of a sample gas. The gas chromatograph includes a first bridge circuit with a sample sensor connected therein and a second bridge circuit with a reference sensor connected therein. The outputs of the bridge circuits are digitized and then subtracted from each other in a processor.