Firetube scraper

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10222147
APP PUB NO 20170023319A1
SERIAL NO

15216204

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A firetube scraper device comprising: at least one carriage assembly mounted on the firetube; a drive line and drive means for displacing the carriage assembly longitudinally along the firetube; wherein said carriage assembly surrounding the entire circumference of the firetube and comprising at least one row of scraper fins, each of said scraper fins having an inner surface adapted to frictionally engage an outer firetube surface defined by at least an upper portion of the surface of the firetube exposed to contaminants deposited onto a firetube surface.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CANADIAN NATURAL RESOURCES LIMITEDSUITE 1800 324-8 AVENUE SW CALGARY T2P 2Z2

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bucholtz, Michael Calgary, CA 27 506
Fiolka, Kyle Calgary, CA 4 8
Krewulak, Ken Slave Lake, CA 1 2
Scott, Stephen Calgary, CA 10 68

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