Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Reexamination Certificate
2011-07-05
2011-07-05
Chin, Randall (Department: 3723)
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
C015S088000, C405S211000
Reexamination Certificate
active
07971306
ABSTRACT:
The invention described herein relates to a cleaning tool for cleaning subsea conduits, such as tendons, risers or strakes. This invention comprises a flotation collar and brush member which may be attached to a subsea conduit and which may travel up a subsea conduit as a result of buoyancy forces and be retracted using one or more winches.
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Saab Seaeye Ltd. Brochure, “Cougar XT The Compact Work ROV”, 2007, 6 pages.
Davis John
Lawler Kinton
Chin Randall
Duane Morris LLP
Oceaneering International Inc.
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