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8813669 Towed antenna system and method  
A towable antenna system is deployable and retrievable from and tetherable to an underwater vehicle while the underwater vehicle is submerged under water. An underwater vehicle having a towable...
8687461 Marine seismic source handling system  
A method, according to one or more aspects of the present disclosure, includes positioning an elevated handling beam in a slip of a marine vessel, the handling beam extending from an inboard...
8671865 Bridle line control winch for a deflector  
A bridle line control winch for a deflector for marine towing, with fore and aft double or triple bridle lines to attachment points in upper, possible middle, and lower parts of the deflector,...
8601970 Tethered buoy housing and deployment assembly  
A tethered buoy housing and deployment system includes a housing for disposition in a vessel, a tether for interconnecting a portion of the housing and a buoy, a reel mounted in the housing and...
8593905 Marine seismic surveying in icy or obstructed waters  
A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source of a seismic system deployed from the vessel. Tow...
8570044 Providing measurements to enable determination of electrical resistivity anisotropy of a subterranean structure  
To analyze content of a subterranean structure, electric field measurements at plural source-receiver azimuths in a predefined range are received. Total magnetic field measurements are also...
8397656 Method of steering a craft  
A method of towing a craft having a fore rudder and rear rudder using a towing vehicle with the fore rudder and rear rudder initially oriented parallel to the length of the craft such that the...
8347805 System and method of controlling force developed by a paravane system  
Controlling lateral force developed by a paravane system. At least some of the illustrative embodiments are methods including: towing a paravane system through water, the towing by way of a bridle...
8275493 Bow riding unmanned water-borne vehicle  
A system and method are provided for launching and recovering an unmanned, water-born vehicle (UWBV) from a mother ship. The UWBV mimics the behavior of dolphins and is positioned ahead of the ship...
8267031 Tension management control system and methods used with towed marine sensor arrays  
A method for towing a sensor streamer array in a body of water includes towing a plurality of sensor streamers behind a vessel in the water, measuring tension at a plurality of positions along the...
8113135 Device for closing a fuselage connected to a towed submarine object and the appliance thus equipped  
A device for selectively opening and closing a fuselage coupled to a towed submarine object. The device comprises first and second shells articulatable with respect each other by a hinge assembly....
8100078 Steerable hydrofoil  
The present invention provides a steerable hydrofoil. The apparatus includes at least one steerable hydrofoil panel, at least one body part coupled to the at least one steerable hydrofoil panel to...
8077542 Determining the inline relationship of network nodes in a subterranean survey data acquistion network  
A system includes a subterranean survey data acquisition network and a processor. The network has first nodes that are distributed along a length of the network between a first end of the network...
7882792 Auxiliary floating structure and procedure for descent of equipment into the sea  
The present invention refers to a floating auxiliary structure, similar to a floating rigid portal, of simple construction and low cost, designed to facilitate moving of equipment of large sizes...
7881153 Steerable paravane system for towed seismic streamer arrays  
A paravane for a seismic acquisition system includes a float, a frame suspended from the float, deflectors affixed to the frame, and means for coupling a tow rope to a lead-in functionally...
7881152 Active steering for marine sources  
A seismic survey system includes a winch having a winch cable coupleable to a source array towable between two deflected lead-ins, a positioning system for determining a current position of the...
7822552 Control devices for controlling the position of a marine seismic streamer  
A control device or “bird” for controlling the position of a marine seismic streamer is provided with an elongate, partly flexible body which is designed to be electrically and mechanically con...
7798086 Apparatus and method for docking, deploying and recovering an underwater vehicle  
An apparatus for deployment and recovery of an underwater vehicle can be introduced into a recovery tube of an underwater recovery vehicle. The apparatus has a moveable tube provided with an...
7775174 Self-propelled tow body  
An at least partially self-propelled vehicle is configured for being towed by a towing vehicle, by way of a tow line. Operation of the vehicles may be coordinated so that, for a length of the tow...
7666045 Buoyant device  
A buoyant device has a body and an elongate tail. The body carries a payload. The tail is moveable, e.g. by pivoting, between a closed and an open position. This movement changes the position of...
7660190 Deflector devices  
A deflector device (22) for use with a tow line between a seismic survey vessel and a tow, in particular a seismic streamer or streamer array, in the water behind the vessel comprises a vertically...
7654213 Normal belt capstan assembly  
A normal belt capstan assembly for arrays towed by vessels includes a drive wheel mounted on the vessel and adapted to deploy and discharge an array. The drive wheel has a continuous groove...
7621229 Systems and methods for tethering underwater vehicles  
Systems for tethering an underwater vehicles using a low strength optical fiber tether. The tether system includes, a mechanical fuse that prevents a high load from acting on and severing the...
7610871 Dynamic stabilisation device for a submarine vehicle  
A submarine vehicle able to control the navigation of a towed submerged object (3). The vehicle includes a body (5) equipped with stabilizing fins (7a, 7b, 7c), at least one of which (7c) is free...
7469652 Deflector devices  
A deflector device (22) for use with a tow lie between a towing vessel (10) and a tow (16) in water behind the vessel, the device comprising a principal wing-shaped body (28) shaped to produce in...
7448339 Winged body having a stowed configuration and a deployed configuration  
A winged body has a wing structure with at least two wings coupled to a body structure, each wing having a wing tip. The wings wrap around the body structure when in a stowed configuration within a...
7404370 Steerable diverter for towed seismic streamer arrays  
A paravane for a marine seismic survey system includes a float and at least one diverter operatively coupled to the float. The diverter is configured to redirect flow of water past the paravane...
7380513 Fairing for reducing watercurrent-induced stresses on a marine riser  
The invention relates to a rotatable fairing (1) for a marine riser (2) or other slender marine structure. The fairing (1) is arranged on the riser for reducing watercurrent-induced stresses on...
7377224 Apparatus and methods for seismic streamer positioning  
Apparatus and methods for positioning seismic streamers are described, one apparatus comprising a body, the body adapted to be connected to a seismic streamer, the body defining at least one flow...
7314016 Method of towing and installing a pipe  
According to the present invention, a solution is provided whereby rather than directly towing a pipe (30) from a tug (11), a cable (23) is suspended between two surface vessels (10, 11), and it is...
7298056 Turbine-integrated hydrofoil  
A turbine integrated within a hydrofoil extracts energy from a free-flowing motive fluid. In the preferred embodiment, the turbine is of the crossflow variety with runner blades coaxial to the...
7270214 Method and apparatus for reducing and extracting wing-tip vortex energy  
The present invention provides an apparatus and a method for reducing wing-tip vortex energy during seismic exploration. The apparatus includes a vortex concentrator of deployed proximate a tip of...
7156035 Deflector devices  
A deflector for offsetting a streamer being towed by its lead-in by a seismic survey vessel comprises a wing-shaped body which is coupled to the lead-in and shaped to produce a sideways force which...
7080607 Seismic data acquisiton equipment control system  
A method of controlling a streamer positioning device configured to be attached to a marine seismic streamer and towed by a seismic survey vessel and having a wing and a wing motor for changing the...
7047898 System for controlling streamers  
System for controlling cables and streamers in a seismic tow arrangement comprising at least one deflector (13) connected to one side of a tow vessel (10) via at least one wire (12), leading or the...
7025014 Sea vessel retrieval of unmanned underwater vehicles  
One or more docking cages releasably attached to a tow line extending from the stern of a retrieval ship, emit tracking beacon beams picked up by sensors in unmanned underwater sea craft vehicles...
6962123 Underwater maneuvering device  
An underwater maneuvering device is disclosed. It utilizes a horizontal planar member, a perpendicularly disposed fin member, hand grip portions, and a towing bridle, pulley and towline assembly...
6945187 Instride inflatable autonomous fuel depot  
A fuel depot and method autonomously and clandestinely provide fuel for transiting ships. An elongate streamlined flexible bladder member has flexible hull walls and divider walls separated by...
6901876 Methods and apparatus for hull attachment for submersible vehicles  
Methods and apparatus for hull attachment for submersible vehicles are disclosed. In one embodiment, a submersible apparatus includes a hull having an elongated channel, a sliding member moveably...
6883452 Plunging towed array antenna  
A towed antenna system and method of use includes a communication device disposed on a buoyant body attached to a housing by a tether. The housing includes a spool, a reel-wire guide, and a motor....
6854410 Underwater investigation system using multiple unmanned vehicles  
An unmanned system for investigating underwater regions utilizes an unmanned mothership and a plurality of unmanned underwater vehicles (UUVs). The mothership transports the UUVs to and from the...
6845728 Towable submarine mast simulator  
A submarine mast simulator as part of a buoyant tow body having a hydrodynamically shaped shell. The mast simulator includes a rigid lower mast section and an inflatable upper mast section...
6820568 Hydrofoil apparatus  
Hydrofoil apparatus comprising a first hydrofoil member (1) having chord and span dimensions and positive hydrodynamic pitching moments, a second hydrofoil member (2) having chord and span...
6766755 Hydraulic activated spreader arm aperture generation system  
A spreader arm aperture generation system for use with a towed array is provided. The spreader arm aperture generation system broadly comprises a plurality of lines and a plurality of hydraulically...
6758157 Streamer cable connector  
A streamer cable connector including a cylindrical inner race and an outer race with a cavity formed therein to capture the inner race. The outer race has leading and trailing fairings to minimize...
6681710 System for controlling a marine seismic array  
System for controlling seismic arrays comprising at least one deflector coupled to one side of the towing vessel through at least one wire, lead-in or similar, the detector being positioned at a...
6604483 Streamer handling apparatus for use on seismic survey vessels  
Streamer handling apparatus for use on a seismic survey vessel (10) comprises one or more trolleys (40) movable along a guide rail (50) over the width of stern (18) and of the streamer deck (20) of...
6575114 Human controlled towable device for water surface and subsurface operation  
A device for use in human controlled water surface and subsurface travel includes a towbar having first and second end portions. The device includes a first control member that is rotatably coupled...
6561114 System and method for towing a shellfish dredge  
A system and method for towing an object below a vessel that includes a tow line anchor or attachment point situated on a deck of the vessel, a passage extending through the vessel to an opening at...
6536365 Shock-mitigating nose for underwater vehicles  
A flexible nose assembly for an underwater vehicle provides increased energy-absorbing capabilities and facilitates recovery and handling of the vehicle. The flexible nose assembly includes a...
Matches 1 - 50 out of 248 1 2 3 4 5 >