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. 24, 2019
Filed:
Jun. 29, 2017
Applicant:
Clearsign Combustion Corporation, Seattle, WA (US);
Inventors:
Douglas W. Karkow, Mount Vernon, IA (US);
Joseph Colannino, Oceanside, CA (US);
James K. Dansie, Seattle, WA (US);
Jesse Dumas, Seattle, WA (US);
Christopher A. Wiklof, Everett, WA (US);
Assignee:
CLEARSIGN COMBUSTION CORPORATION, Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
F23D 1/00 (2006.01); F23C 99/00 (2006.01);
U.S. Cl.
CPC ...
F23D 1/00 (2013.01); F23C 99/001 (2013.01); F23D 2201/30 (2013.01);
Abstract
A burner system that employs a perforated flame holder and is configured to combust a powdered solid fuel includes a structure configured to protect the perforated flame holder from erosion caused by particles of the solid fuel.