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US 2012/0097265 A1Published application
Restriction engaging system
AssigneeBaker Hughes Incorporated
InventorsDavid P. Gerrard, Yang Xu
Life of this patent
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Abstract
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.
Claims12
A system, comprising:
- 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.
1 more element
Dependencies are inferred from the claim text.