Restriction engaging system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9038656
APP PUB NO 20120097265A1
SERIAL NO

13340939

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A restriction engaging system includes, a restriction engager, one or more restrictions, and at least one counter configured to permit or prevent passage of a restriction engager through one of the one or more restrictions.

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Patent Owner(s)

Patent OwnerAddress
BAKER HUGHES OILFIELD OPERATIONS LLC17021 ALDINE WESTFIELD ROAD HOUSTON TX 77073

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gerrard, David P Magnolia, US 16 218
Xu, Yang Houston, US 501 4586

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