Valve position indicator for buried valves

Details Valve position indicator for buried valves Valve position indicator for buried valves

2006-05-31

2009-06-23

Lee, Kevin L (Department: 3753)

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

C116S277000, C116SDIG021

Reexamination Certificate

active

07549440

ABSTRACT:
A valve position indicator is directly coupled to a valve shaft. The indicator has a gauge that directly indicates rotation of a valve shaft in a subterranean valve.

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patent: 2001/0027812 (2001-10-01), Lafler et al.

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