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US 5,836,265 AGranted
Reef ball
OwnerTodd Ryan Barber, Gerald L. Barberinventors
Life of this patent
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Abstract
The method and apparatus for producing artificial reef modules which can be deposited on the ocean floor for permitting growth of coral and other marine growth thereon. The reef balls can be left permanently at a particular location to develop an artificial reef or can be harvested for use in aquariums.
Claims1
An artificial reef structure for promoting the growth of marine life on the surfaces thereof while submerged in a body of water comprising:
- a concrete shell defined by a wall extending about an inner cavity and having an exterior and interior surface;
- holes provided in said wall for providing ingress and egress of fish into the interior of said structure;
- said holes having an inlet and an outlet and a concave radially extending surface defined between said inlet and outlet of said holes;
- and
- a textured cementitious surface carried on at least one of said surfaces of said wall for supporting marine growth on the surface of said wall.
2 more elements
Dependencies are inferred from the claim text.