Pipeline pig signal trigger cavity seal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9551450
APP PUB NO 20160195215A1
SERIAL NO

15011946

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Abstract

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A pipeline pig signal includes sealing means located within a lower end of the trigger cavity of the signal which prevents pipeline debris from entering the trigger cavity. The sealing means moves between a first sealing position and a second sealing position in response to the trigger moving between a non-triggered and triggered position. The sealing means may be a polymer boot, a filter arrangement, a sliding piston arrangement, or a sliding shelf arrangement.

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Patent Owner(s)

Patent OwnerAddress
TDW DELAWARE INC1100 MARKET STREET SUITE 780 WILMINGTON DE 19801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Klemm, Nathan Tulsa, US 2 1
Logan, Matt Tulsa, US 4 1
Vaughn, Michael Ketchum, US 10 183

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