Dispensing – Drip – leakage or waste catching or disposal – Return to main supply
Reexamination Certificate
2005-12-13
2005-12-13
Nicolas, Frederick C. (Department: 3754)
Dispensing
Drip, leakage or waste catching or disposal
Return to main supply
C222S385000, C137S312000, C141S086000, C073S04050R
Reexamination Certificate
active
06974054
ABSTRACT:
A fueling environment distributes fuel from a fuel supply to fuel dispensers in a daisy chain arrangement with a double-walled piping system. Fuel leaks that occur within the double-walled piping system are returned to the underground storage tank or a sump proximate the submersible turbine pump by the outer wall of the double-walled piping. This preserves the fuel for later use and helps reduce the risk of environmental contamination. Leak detectors may also be positioned in to fuel dispensers detect leaks and provide alarms for the operator, and help pinpoint leak detection that has occurred in the piping system proximate to a particular fuel dispenser or in between two consecutive fuel dispensers.
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Gilbarco Inc.
Nicolas Frederick C.
Withrow & Terranova , PLLC
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