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Class 441/23 - Tether


Subclass of Class 441 - Buoys, rafts, and aquatic devices
Definition: Buoy wherein a pliant fastening line is used to place the buoy
No. of applications: 5
Last issue date: 11/19/2009


Application No.Application TitleIssue Date
20090286432Apparatus Having A Buoyant Structure That Resists Rotation
Apparatus includes a buoyant structure having a central vertical axis when floating in water and having at least one feature to reduce a rotation of the buoyant structure about the central vertical axis when floating in the water. The apparatus further includes an elect...
11/19/2009
20090209154SUBMERSIBLE MOORING SYSTEM
A submersible mooring buoy for a floating vessel comprises a compartmented hull; a plurality of non-buoyant, catenary anchor lines each connected to the hull and a spring buoy such that the hull may be submerged without sinking to the seafloor by flooding selected compa...
08/20/2009
20090093177SMALL OBJECT FLOTATION DEVICE
A flotation device for attachment to a small object to prevent the object from sinking if it is dropped into a body of liquid and for allowing the user to quickly and easily retrieve it. The device comprises a float formed of buoyant material and having a longitudinally...
04/09/2009
20080311804Disconnectable riser-mooring system
A system is described for use at offshore locations of large depth, for mooring a production vessel or floating unit (14) at a location over a hydrocarbon reservoir (26) and for connecting risers (101) that can be carrying hydrocarbons up from the s...
12/18/2008
20070275614Flexible Buoy
Provided is a flexible buoy lightweight, excellent in workability, and excellent in durability preventing the buoy from being damaged by contact and collision with another object. An airtight hollow structure (2) is formed of a flexible membrane made of rubber or...
11/29/2007
 
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