Matches 1 - 50 out of 90 1 2 >


Match Document Document Title
9013953 Buoy based marine seismic survey system and method  
A seismic survey system for recording seismic data underwater. The system includes first plural buoys configured to descend to a first predetermined depth (H1) in water, at least one buoy having a...
8726827 Systems and methods for compensating for compressibility and thermal expansion coefficient mismatch in buoyancy controlled underwater vehicles  
Systems and methods for compensating for compressibility and thermal expansion coefficient mismatch in buoyancy controlled or buoyancy-driven underwater vehicles are disclosed herein. An...
8647014 Buoy systems and methods for minimizing beach erosion and other applications for attenuating water surface activity  
A buoy for use in reducing the amplitude of waves in water and a system making use of plural buoys to create a floating breakwater. Each buoy is arranged to be constrained, e.g., connected to an...
8387703 Tube buoyancy can system  
A tube buoyancy can system for tensioning a top tension riser. In some embodiments, the system includes a tubular can coupled to the top tension riser and a pressurized gas system configured to...
8381672 Systems and methods for compensating for compressibility and thermal expansion coefficient mismatch in buoyancy controlled underwater vehicles  
Systems and methods for compensating for compressibility and thermal expansion coefficient mismatch in buoyancy controlled or buoyancy-driven underwater vehicles are disclosed herein. An...
8340844 Undersea position and velocity measuring system and process  
This invention relates to a GPS navigation system comprised of a submerged vessel having a navigation processor associated via buoyant cable with a buoy having a GPS device; wherein the cable...
8047297 System for and method of restraining a subsurface exploration and production system  
A system for and method of limiting and controlling the unintended subsurface release of an exploration or production riser system is provided including one or more means for anchoring the riser...
7841917 Floatation device  
A floatation device is disclosed that comprises a container 10 containing a liquefied gas, a gas chamber (60, FIG. 2) and a remotely operable device 29. The remotely operable device is switchable...
7837525 Autonomous data relay buoy  
An easily deployable data relay buoy, in some embodiments, has a diesel powered alternator and storage battery, providing long service life. The data relay buoy has mechanical characteristics that...
7699677 Profiling float and usage of the profiling float  
Provided is a profiling float that can minutely and surely control effective buoyancy acting on the float in itself, and usage of the profiling float. The profiling float according to the present...
7455561 Sinkable buoy system for use with a water sports course  
A sinkable buoy system including a guide buoy, an inflatable air bladder, a weight component, an air supply line and an air supply, wherein the air bladder and the weight component are not housed...
7244156 Lightweight marine buoy and method of handling the same  
A lightweight constructed navigation buoy, and method for handling the same, is provided with waterborne stability comparable to the conventional and much heavier navigation buoys. The desired...
7112111 Closed loop buoyancy system  
A closed loop buoyancy system wherein a device housing the system is submerged in a liquid filled container, the device dives to the bottom of the container, remains for a regulated amount of...
6971934 Autonomous liquid filled buoy  
A buoy system includes a sea-bed pump station having separate reservoirs of lighter-than-water and heavier-than-water liquids. The reservoirs are in fluid communication with peristaltic pumps that...
6916219 Remote sampling system  
An automated system for periodically sampling water bodies, such as lakes, and delivering the test results to a remote computer using a communication system. In particular, the system has a...
6592416 Target for naval gunfire  
A floating target for naval gunfire. The target includes an inflatable buoyant superstructure with a drogue chute attached to the periphery of the bottom of the superstructure. The drogue chute,...
6463800 Energy conserving moored buoyant ocean profiler  
An energy conserving moored buoyant ocean profiler wherein an instrument carrying vertically traversing buoyant member of low buoyancy is interconnected with a second buoyant member of high...
6406624 Flocculation apparatus and apparatus for floating upwardly in a liquid and for moving downwardly in the liquid under the influence of gravity  
Flocculation apparatus and flotation apparatus useful in flocculation apparatus for floating paddles upwardly and allowing gravity to move paddles downwardly through a liquid to agglomerate...
6142092 Depth control device  
A depth control device (1) for a subsmersible body comprises a depth monitor (5) and depth controller (6). A variable volume buoyant body operates under the control of the depth controller and...
5911542 Unsinkable floating dock system  
A dock module comprises an air-tight flotation chamber with a buoyant foam material positioned within an upper end thereof. The flotation chamber includes aperture positioned on its bottom end to...
5887538 Sailboard for a wind powered sailing apparatus  
The novel sailboard is arcuate about its longitudinal and transverse axes, and has blading fore and aft for supporting the sailboard upon a frozen surface. The front blading is carried on a...
5865663 Toy submarine ballast system  
A ballast system for toy submarines comprises a plumbing device, a flexible bag, a piece of wire and a rod. The ballast system draws water in and forces water out by decompressing and compressing...
5816874 Remote underwater sensing station  
A portable, anchored sensor module for collecting fresh water environmental data over a range of depths, is supported relative to a buoy having a power supply and control circuitry. A depth...
5655938 Variable buoyancy ballast and flotation unit for submerged objects or structures  
A variable buoyancy float/ballast assembly has control means allowing it to sink otherwise floating objects and bring sunken objects to the surface or control their placement in the water column....
5516317 System to sink and float buoys  
Submarine (6) devices consisting of cavity to hold sand and an inflatable air bladder (10) are located beneath and connected to floating buoys (2). The weight of the sand when put inside the...
5320568 Swimming pool animal escape device  
A floating device is arranged to provide for a stepped platform to permit accommodation of an animal trapped within a swimming pool environment, wherein the stepped platform includes a plurality...
5283767 Autonomous oceanographic profiler  
There is disclosed a portable free drifting oceanographic instrument package for cyclically collecting oceanic and/or fresh water environmental data over a range of depths. The instrument...
5273468 Marker buoy  
A marker buoy for marking a particular spot on the bottom of the sea despite heavy seas. The buoy includes a hollow cylindrical chamber whose outer surface forms a spool. A length of line is...
5257954 Rescue buoy package  
A rescue buoy package for use on a boat for marking the location of a person overboard and for remaining in that location until help can arrive includes an outer cylindrical tube that is mounted...
5251571 Submersible cage system for culturing aquatic animals  
A submersible cage system for cultivating aquatic animals comprises a rigid frame defining a geodesic enclosure, a net supported by the rigid frame to define a water permeable enclosure for the...
5228406 Subsea exploration apparatus  
This subsea exploration apparatus comprises a ballast tank and a shuttle (7) with a watertight enclosure (10) which contains instrumentation for measurement, control and transmission of signals to...
5197826 Offshore gas flare system  
Apparatus is described for flaring large amounts of natural gas at a location spaced from an offshore production platform. The apparatus includes a spar buoy structure (32, FIG. 1) anchored at a...
5129848 Controllable variable depth mooring system and method  
A mooring system and method of anchoring a buoyant module (16) in a submerged location in the sea for supporting an underwater structure such as a plurality of acoustical arrays (18) for receiving...
4860487 Multi-cycle sea bed traversing system  
An inflatable float with timer and pressure controls to enable underwater gear to be automatically lifted off the sea bed at intervals and moved to a new location. The gas for inflating the float...
4692906 Ocean bottom seisometer  
An improved ocean bottom seismometer is disclosed wherein a skirted spherical configuration provides bottom weight and provides a sealed area for seawater ballast which may be ejected to provide...
4662301 Floating platform for decorative articles  
A floating platform for supporting articles in a swimming pool or other body of water. The platform has a toroidal outer chamber filled with air, a toroidal middle chamber filled with water, and a...
4498491 Thermo-electric valve  
A thermo-electric valve for scuttling floating devices comprising, a cyliical sleeve affixed to and passing through a bulkhead separating a pressurized medium on one side from a lower pressure...
4464131 Water ballast compartment for buoyant marine devices  
An improvement in buoyant marine devices, such as pyrotechnic markers, the displacement of which normally decreases during operation as a result of weight loss. The device is provided with a...
4443203 Floating marker  
A marker bouy to positively mark positions on a water surface with respect to the bottom. The marker includes a generally hollow body with line wound around the approximate center thereof with a...
4434650 Hydrocarbon sensor float  
A hydrocarbon sensor float for use in detecting the presence of hydrocarbons on the surface of a liquid provides an elongated floatation member having a top end and a bottom end and also having a...
4364325 Passive controlled buoyancy apparatus  
A passive near neutral buoyancy platform includes a structure housing a series of gas-filled cells, restrained in their maximum volume regardless of the internal charge pressure, and collapsible...
4319372 Submarine rescue cable reel  
Apparatus for delivering a heavy cable such as a rescue cable from the oc's surface to an extended depth for attachment to an object such as a stranded submarine and, after attachment of the free...
4301761 Depth and hover control system for unmanned underwater vehicle  
In an unmanned underwater instrumentation vehicle, travel to an assigned th and cyclical excursions between depth tolerances above and below that depth are effected by a mechanism that...
4266500 Hover control system for a submersible buoy  
A compressed fluid hover control system for a submersible buoy in which the water level in a buoyancy chamber is controlled in accordance with external water pressure and predetermined levels of...
4207828 Stabilizing system for a crane vessel  
A stabilizing system for a crane vessel of the twin hull semi-submersible type having a working platform supported above sea level by columns on submersible hulls. Water ballast compartments above...
4202034 Adaptive controller for ocean characteristic measurement system  
A system for measuring ocean characteristics. The system includes a sensor assembly and an associated means to control the system buoyancy to achieve cyclic ascent and descent at controlled...
4202036 Buoyancy control for ocean characteristic measurement system  
A system for measuring ocean characteristics. The system includes a sensor assembly and an associated means to control the system buoyancy to achieve cyclic ascent and descent at controlled...
4193057 Automatic deployment of horizontal linear sensor array  
A linear sensor array is deployed horizontally on the ocean floor by first deploying a vertical array, between an anchor and a float from which the array is suspended, and then decreasing the...
4183316 Variable volume depth control  
An apparatus for controlling the depth of an object submerged in a liquid dium includes a sealed chamber means, joined to the object, which retains a working fluid and which has a variable...
4176986 Subsea riser and flotation means therefor  
A marine drilling riser is provided with a plurality of buoyancy cans having fail safe dump valves operative to vent compressed gas from the buoyancy cans and thereby cause rapid loss of buoyancy.

Matches 1 - 50 out of 90 1 2 >