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:
Mar. 03, 2009
Filed:
Dec. 08, 2005
Applicants:
Edward Kaczenski, Greenfield, MA (US);
Lawrence E. Bool, Iii, East Aurora, NY (US);
Hisashi Kobayashi, Putnam Valley, NY (US);
Inventors:
Edward Kaczenski, Greenfield, MA (US);
Lawrence E. Bool, III, East Aurora, NY (US);
Hisashi Kobayashi, Putnam Valley, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23M 3/04 (2006.01); F23J 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Emissions of NOx and CO are reduced from combustion devices such as coal-fired furnaces by increasing the stoichiometric ratio of burner(s) having a lower average temperature and increasing the stoichiometric ratio of burner(s) having a higher average temperature.