Buoys – rafts – and aquatic devices – Buoyancy providing attachment for pipe – log – or line
Reexamination Certificate
2007-03-27
2007-03-27
Olson, Lars A. (Department: 3617)
Buoys, rafts, and aquatic devices
Buoyancy providing attachment for pipe, log, or line
Reexamination Certificate
active
11330849
ABSTRACT:
There is disclosed a system comprising a structure in a body of water, wherein the body of water comprises a depth comprising a top-section from a surface of the body of water to one-third of the depth, and a second-section from one-third of the depth to two-thirds of the depth, a first buoyant apparatus attached to the structure in the top-section of the depth, a second buoyant apparatus attached to the structure in the second-section of the depth, wherein the second buoyant apparatus provides a second buoyancy effect average per length of the structure at least 30% less than a first buoyancy effect average per length of the structure provided by the first buoyant apparatus.
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Hickman William E.
Olson Lars A.
Shell Oil Company
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