Measuring and testing – Liquid level or depth gauge – Float
Reexamination Certificate
2005-05-24
2005-05-24
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid level or depth gauge
Float
C073S29000R, C073S291000, C137S176000, C137S174000, C096S015000, C096S183000, C096S207000
Reexamination Certificate
active
06895816
ABSTRACT:
An apparatus for detecting fluid levels in an oil and gas well environment and transmitting a signal to a remote site when sensing that the level has reached a predetermined amount.
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Graham R. William
Williams Hezron
Wilson Katina
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