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.:

US 6887070 B1

PDF
Full Text
Expired
Date of Patent:
May. 03, 2005

Filed:

Feb. 27, 2004
Applicants:

Sellamuthu G. Chellappan, Houston, TX (US);

William J. Walker, Baytown, TX (US);

David L. Ramsey, Channelview, TX (US);

Inventors:

Sellamuthu G. Chellappan, Houston, TX (US);

William J. Walker, Baytown, TX (US);

David L. Ramsey, Channelview, TX (US);

Assignee:

Equistar Chemicals, LP, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23N001/00 ;
U.S. Cl.
CPC ...
Abstract

A method and apparatus for continuing the operation of a fuel fired furnace when the air supply from the blower to the furnace is interrupted by employing a combination of a ventilator and drop door, the ventilator having a power source independent of the blower.


Find Patent Forward Citations

Chellappan, Sellamuthu. (2005). Fired furnace operation and apparatus (U.S. Patent No. 6887070). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6887070

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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