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:
Aug. 10, 2004
Filed:
Dec. 12, 2002
Applicant:
Inventors:
Neil Rolph, LaPorte, IN (US);
Shuqing Cui, Valparaiso, IN (US);
Assignee:
United Dominion Industries, Inc., Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B 5/04 ;
U.S. Cl.
CPC ...
F22B 5/04 ;
Abstract
A method and apparatus for sealing a combustion intake for a boiler from inside air is provided. A method and apparatus for providing a transition piece for venting fresh air to and combusted air away from a boiler is also provided. A method of connecting a transition piece to PVC, ABS OR CPVC ductwork is also provided.