Curb-and-grate inlet filter
AssigneeSilt-Saver, Inc.
InventorEarl Roger Singleton
Life of this patent
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Abstract
A curb-and-grate inlet filter is provided for temporarily covering, during nearby construction activities, the curb-and-grate inlet of a storm drainage system so as to filter from storm water runoff silt and debris attendant such construction. The curb-and-grate inlet filter includes a body having a first and a second portion formed of interconnected coils. The filter also includes a filter medium that may enclose the body. The filter medium filters silt and debris from water passing through the filter and into the curb-and-grate inlet.
Claims16
A filter for a curb-and-grate inlet comprising:
- a semi-permeable body formed through which storm water can flow, said body comprising:
- a first section having a first elevation;
- a second section having a second elevation, wherein said second elevation is higher than said first elevation;
- and,
- a cover encapsulating said body, wherein said cover comprises a filter material that is substantially water permeable and substantially impermeable to silt and debris.
A filter for a curb-and-grate inlet comprising:
- a body formed of a plurality of coils through which storm water can flow;
- and,
- a cover encapsulating said body, wherein said cover comprises a filter material that is substantially water permeable and substantially impermeable to silt and debris.
A filter for a curb-and-grate inlet comprising:
- a body formed from rigid, durable, light-weight material and having a series of flow openings therethrough, through which storm water can flow, wherein said body includes a first section having a first elevation and a second section having a second elevation, wherein said first elevation is not equal to said second elevation;
- and,
- a cover encapsulating said body, wherein said cover comprises a filter material being water permeable and substantially impermeable to silt and debris.
Dependencies are inferred from the claim text.