Surface Drain Precursor Screen
AssigneeSafe Drain Stormwater Holdings, Inc.
InventorJohn P. Deming
Life of this patent
Estimating the term…
Abstract
A storm drain precursor screen comprising a perforated tray with a frame configured to capture and remove debris and trash from stormwater runoff that occurs during a wet weather event. The storm drain precursor screen is configured to fit within the physical geometry of each storm drain intake. Where a shoulder is not provided in a storm drain collection box, additional supports may be bolted or anchored into the walls of the collection box to support the precursor screen.
Claims20
A surface drain precursor screen comprising:
- a. a perforated tray;
- b. said perforated tray joined to a frame and configured to rest on a support in a collection box.
A precursor screen having a perforated tray, said perforated tray comprising:
- a. a base screen;
- b. a first end screen;
- c. a second end screen;
- and,
- d. a support frame for positioning said precursor screen on a perimeter support of a secondary basin.
A precursor screen for separating larger debris from smaller debris to improve performance of downstream filtration devices, comprising:
- a. a perforated tray;
- b. said perforated tray positioned above a secondary basin;
- c. said secondary basin being sealed but for pores within a filtration device;
- d. said filtration device positioned within said secondary basin and providing further filtration of stormwater runoff for discharge into the collection box and stormwater network.
Dependencies are inferred from the claim text.