Fluid handling – Hydrant type – With valve at outlet
Reexamination Certificate
2006-03-09
2008-09-30
Lee, Kevin L (Department: 3753)
Fluid handling
Hydrant type
With valve at outlet
C137S272000, C137S540000
Reexamination Certificate
active
07428910
ABSTRACT:
The present invention relates to methods and devices for providing a fire hydrant actuator rod with additional structure for allowing air to reach the area of a fire hydrant below a secondary valve. Various embodiments include an actuator rod with openings and hollow portions and configured to provide air from the area of a hydrant above the secondary valve to the area of a hydrant below a secondary valve. In some embodiments of the present invention, a check valve is provided with the actuator rod that is adapted to prevent the flow of fluid in at least one direction.
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Davidson, Sr. Tom R.
Ferrari Anthony
Rose Matthew J.
Walden David M.
Davidson Hydrant Technologies, Inc.
Kilpatrick & Stockton LLP
Lee Kevin L
LandOfFree
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