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US 8,771,506 B2Granted
Precast pervious concrete
AssigneePercoa, Inc.
InventorsBrett Eugene Pomerleau, Katherina Theresa Bernhagen, Ryan Eugene Becker
Life of this patent
Estimating the term…
Abstract
A pervious concrete slab is pre-cast in a reusable mold or form to define at least one keyway configured and arranged to engage with a complementary keyway of another similar pre-cast pervious concrete slab. The concrete slab is then cured in a controlled environment, transported to an installation site, and installed.
Claims20
A pre-cast pervious concrete slab formed in a mold through vibration and compression, the pre-cast pervious concrete slab comprising:
- a body composed of a combination of aggregate particles, cementitious materials, and water, and wherein the body includes an interconnected void content of about 10% to about 30%.
A water filtration system, comprising:
- a plurality of pre-cast pervious concrete pavers, each of the pre-cast pervious concrete pavers being formed in a mold through vibration and compression and being composed of a combination of aggregate particles, cementitious materials, and water, and including an interconnected void content of about 10% to about 30%;
- and
- a filtration layer positioned beneath the plurality of pervious concrete pavers within the ground surface.
Dependencies are inferred from the claim text.