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:
Jun. 29, 2021
Filed:
Sep. 23, 2014
Applicant:
Clearsign Combustion Corporation, Seattle, WA (US);
Inventors:
Douglas W. Karkow, Des Moines, WA (US);
Joseph Colannino, Bellevue, WA (US);
Robert E. Breidenthal, Seattle, WA (US);
Christopher A. Wiklof, Everett, WA (US);
Assignee:
CLEARSIGN TECHNOLOGIES CORPORATION, Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
F23C 3/00 (2006.01); F23D 14/66 (2006.01); F23D 14/64 (2006.01); F23L 15/04 (2006.01); F23D 14/70 (2006.01); F23D 14/82 (2006.01); F23D 14/14 (2006.01); F23D 14/74 (2006.01);
U.S. Cl.
CPC ...
F23D 14/66 (2013.01); F23C 3/002 (2013.01); F23D 14/14 (2013.01); F23D 14/64 (2013.01); F23D 14/70 (2013.01); F23D 14/74 (2013.01); F23D 14/82 (2013.01); F23L 15/04 (2013.01); F23C 2203/20 (2013.01); F23D 2203/102 (2013.01); F23D 2203/105 (2013.01);
Abstract
A burner includes a porous flame holder configured to support a combustion reaction to achieve a very low output of oxides of nitrogen (NOx).