Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement
Reexamination Certificate
2007-02-06
2007-02-06
Kreck, John (Department: 3673)
Hydraulic and earth engineering
Earth treatment or control
Ground stabilization or reinforcement
C405S015000, C405S019000, C405S032000
Reexamination Certificate
active
11257739
ABSTRACT:
A sediment control roll includes a threshold member having large apertures therethrough, a hollow sediment collection chamber, and an outflow filter having small apertures therethrough. The sediment control roll can be used to collect sediment in runoff from a construction site, or to reduce removal of sediment from an existing land mass. The sediment control roll can for example be made by rolling up extruded polymeric netting with filter cloth attached thereto.
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Ertec Environmental Systems LLC
Kreck John
Richardson T. H. P.
Sherratt Richard
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