US2020277791A1PendingUtilityA1

Modular stormwater management device and system

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Individually held — no corporate assignee on recordPriority: Apr 29, 2016Filed: May 18, 2020Published: Sep 3, 2020
Est. expiryApr 29, 2036(~9.8 yrs left)· nominal 20-yr term from priority
Inventors:Yair Y. KeshetElizabeth L. Keshet
E03F 1/00E04D 11/005
34
PatentIndex Score
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Claims

Abstract

Systems and modular devices for roof or ground-level stormwater management are disclosed. A modular stormwater management device includes a water retention mat structured to absorb stormwater, a rigid frame structured to support the water retention mat, and a perforated surface structured to permit drainage of the stormwater from the water retention mat through the perforated surface. A modular stormwater management system includes a plurality of modular stormwater management devices, each of the modular stormwater management devices including a water retention mat structured to absorb stormwater, a rigid frame structured to support the water retention mat, and a perforated surface structured to permit drainage of the stormwater from the water retention mat through the perforated surface.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A stormwater management device comprising:
 a water retention mat structured to absorb stormwater; and   a breather fabric that supports the water retention mat.   
     
     
         2 . The stormwater management device according to  claim 1 , wherein the breather fabric is laminated to the water retention mat. 
     
     
         3 . The stormwater management device according to  claim 1 , wherein the water retention mat and the breather fabric are provided as a flexible roll that is rolled directly onto an application surface. 
     
     
         4 . The stormwater management device according to  claim 3 , wherein the flexible roll is 2 feet wide. 
     
     
         5 . The stormwater management device according to  claim 3 , wherein the flexible roll is 4 feet wide. 
     
     
         6 . The stormwater management device according to  claim 3 , wherein the flexible roll is 8 feet wide. 
     
     
         7 . The stormwater management device according to  claim 1 , wherein the stormwater management device mitigates heat gain. 
     
     
         8 . The stormwater management device according to  claim 1 , wherein the water retention mat is resistant to UV degradation. 
     
     
         9 . The stormwater management device according to  claim 1 , wherein the water retention mat is formed from needle-punched polypropylene or polyester. 
     
     
         10 . The stormwater management device according to  claim 1 , wherein the water retention mat is formed from an engineered sponge. 
     
     
         11 . The stormwater management device according to  claim 10 , wherein the engineered sponge comprises polyvinyl alcohol (PVA). 
     
     
         12 . The stormwater management device according to  claim 10 , wherein the engineered sponge comprises a cellulose sponge. 
     
     
         13 . The stormwater management device according to  claim 1 , wherein the breather fabric is structured to permit ventilation underneath the water retention mat. 
     
     
         14 . The stormwater management device according to  claim 1 , wherein the breather fabric comprises a synthetic three-dimensional matrix of fibers. 
     
     
         15 . The stormwater management device according to  claim 1 , wherein the breather fabric is at least 1.5″ thick.

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