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| Number | Title | Issue Date |
| 7415936 | 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 source array and a controller for adjusting the winch to modify the curr... | 08/26/2008 |
| 7331304 | Windshield system including tower frame A windshield assembly includes a windshield frame constructed to support a windshield. A plurality of couplers are secured to the windshield frame, and a tower frame for a wakeboard tow rope or cable attachment, radar arch or the like is connected to the windshield ... | 02/19/2008 |
| 7311056 | Pontoon float towable behind a watercraft An apparatus for towing cargo behind a watercraft that includes a floating assembly for towing behind the watercraft and comprising a frame and at least one floatation device mounted on the frame. The apparatus further includes a linking assembly mounted on the floa... | 12/25/2007 |
| 7299761 | Water sport towing apparatus Wakeboarding performance is improved using a vessel which is fitted with a skeletal towing frame having spaced supports attached on opposite sides of the vessel while coupling upper extremities of the supports with a horizontal bridging portion, to which a tow rope ... | 11/27/2007 |
| 7293520 | Control system for positioning of a marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 11/13/2007 |
| 7252047 | Wave-forming apparatus for boats An adjustable wake-forming apparatus attachable to a boat stern providing means for generating waves of a particular form for water sport activities. The attachment is comprised of a pair of blades fastened to the transom by a plurality of struts. The present invent... | 08/07/2007 |
| 7252046 | Apparatus for deploying and recovering a towed acoustic line array from an unmanned undersea vehicle A free flooded section of an unmanned undersea vehicle (UUV) contains a rotating cylindrical drum, which serves as a spool for a towed line array cable. At the end of the cable is a reverse thruster with the ability to propel itself away from the UUV when the UUV is... | 08/07/2007 |
| 7222579 | Control system for positioning of marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 05/29/2007 |
| 7221619 | Fiber optic strain gauge and cable strain monitoring system for marine seismic acquisition systems A method for operating a marine seismic survey system includes deploying from a seismic vessel at least two lead-in cables each functionally coupled at one end thereof proximate a respective paravane. The lead-in cables have at least one spreader cable functionally ... | 05/22/2007 |
| 7216600 | High maneuverability towcraft A high maneuverability towcraft has a hull, a primary water-engaging device, and a towline attachment above a waterline of the hull. A towline line-of-tension extends through an effective centerline of the primary water-engaging device. The towcraft also has a caste... | 05/15/2007 |
| 7184365 | Unitary multi-cable towing system In one aspect the invention comprises a system and a method for marine geophysical exploration, which includes a first cable connected to a vessel and a plurality of streamer cables connected to the first cable. The first cable includes all towing strength members a... | 02/27/2007 |
| 7182212 | Floating lifting device The invention relates to a floating lifting device, using two movable lifting structures (13, 14) which can be alternatively engaged with broaden support members (5, 6, 7) of a cable (4). The cable (4) is stored substantially without tens... | 02/27/2007 |
| 7178475 | High maneuverability towcraft A maneuverable towcraft consisting of a partial hull structure to which is removably attached at least three downward-projecting fins. A first ventral fin of sufficient size and draft is located along the craft's centerline, toward the front of the craft. A second a... | 02/20/2007 |
| 7146918 | Wind-powered linear motion hydrogen production systems A system for generating hydrogen is provided which includes at least one vessel which floats in water. At least one sail for capturing wind to move the vessel reciprocally along a substantially linear path is mounted on the vessel. A power generation system is provi... | 12/12/2006 |
| 7125300 | Recreational aquatic airborne vehicle The present invention provides a towable aquatic airborne vehicle having an inflated base ring with a top sheet and a bottom sheet attached to the top and bottom sides of the ring to form a non-inflated closed chamber. A cockpit section extends in from te interior s... | 10/24/2006 |
| 7114457 | Wakeboard jump enhancement system A jump enhancement system is provided for use while riding upon a water or snow planing apparatus towed behind a boat or snowmobile. The system includes an aerodynamic lift generator, such as a parachute, coupled to the user. Most preferably, a flotation or padded/i... | 10/03/2006 |
| 7096815 | Underwater scooter An underwater scooter including a main frame on which are disposed two air tanks serving as a saddle area for the operator, a depth adjusting mechanism disposed to the fore of the air tanks, and a steering mechanism disposed to the aft of the air tanks. The depth ad... | 08/29/2006 |
| 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 like, wherein the deflector is located in a pos... | 05/23/2006 |
| 7004099 | Hybrid-powered underwater scooter An underwater scooter is provided with an engine enclosed in a watertight vessel and an electric motor enclosed in the watertight vessel and connected to the output shaft of the engine, and a propeller disposed upon a main frame and connected to the output shaft of ... | 02/28/2006 |
| 6990919 | Attachment to a sea scooter The attachment to a sea scooter is a device that allows for safer, more stable use of a sea scooter. The central component of the attachment to a sea scooter is a clamp having a split ring to secure around a sea scooter. On both sides of the clamp are wings having s... | 01/31/2006 |
| 6953003 | Watercraft landing cradle A parallelgram arrangement of linkages interconnect a stern ramp frame with a plurality of parallel rails vertically adjusted to positions above the ramp frame by actuators for reception and maintenance of a watercraft thereon with minimized vibration, further reduc... | 10/11/2005 |
| 6910437 | Wakeboard towing system A towing system, especially useful in wake boarding is described. Using a beam mounted to a tower and a carriage that travels over the beam, a towline attached to the carriage of one variation of the system offers a rider more air time and eliminates certain burdens... | 06/28/2005 |
| 6910436 | Propulsion steered towboat A conventional style of towboat has been used on U.S. waterways for decades, with steering control reliant on a triad of rudders for each screw, resulting in up to a dozen rudders installed. This propulsion steered towboat relies on an enhanced method of steering wi... | 06/28/2005 |
| 6904860 | Winglet for the trailing end of towed flexible underwater lines A winglet for mounting on a trailing end of a flexible line to be towed by an underwater vehicle includes an internal collar member for connection to an inside surface of the line at the trailing end thereof, an outer collar member for connection to an outside surfa... | 06/14/2005 |
| 6837175 | Asymmetric tow system for multiple linear seismic arrays An asymmetric towing system for towing multiple linear arrays includes a tow platform and a single composite tow cable extending from the tow platform and having the multiple linear arrays connected both mechanically and electrically thereto. The composite tow cable... | 01/04/2005 |
| 6834607 | Towing system and method for a water sports apparatus A system and method for towing a water sports apparatus over a body of water behind a towing vessel. The system includes a rider towline for coupling a rider of the water sports apparatus to the towing vessel. The rider towline includes a distal end adapted to be gr... | 12/28/2004 |
| 6755144 | Towed line floater This float comprises a fuselage (6) analogous to classic floats, but which here is topped by a leg (7) such that the fuselage (6) is completely submerged. This arrangement, combined with others that are secondary, makes it possible to reduce the... | 06/29/2004 |
| 6694909 | Hydraulic activated toroidal aperture generation system A hydraulically activated device for spacing plural towed lines includes a toroidal and inflatable tube member defining an aperture in an opening of the toroid shape. A plurality of connectors each secure a corresponding one of the plural towed lines to t... | 02/24/2004 |
| 6666159 | Water sport towing apparatus A method for improving the performance of a wakeboard performer being towed by a vessel having a bow, stern, opposing gunnels and an operator station comprises fitting a skeletal towing frame to the vessel with first, second and third spaced supports atta... | 12/23/2003 |
| 6665789 | Surface or underwater dive vehicle An electric motor for powering a submersible vehicle under water is disclosed. The motor has a housing with resilient seals for resisting the passage into the housing and motor of surrounding seawater. A liquid substantially fills all voids in the motor a... | 12/16/2003 |
| 6655311 | Marine seismic diverter with vortex generators The present invention provides methods, systems and apparatus for steering one or more cables towed through water by a vessel. In general, a diverter attached to the one or more cables may comprise a float, a vane extending from a bottom surface of the fl... | 12/02/2003 |
| 6606958 | Towed acoustic source array system for marine applications A marine towed array has a plurality of tow bodies of positive buoyancy each containing a marine acoustic source, such as a vibrator source. Each tow body uses a reel containing an electro-mechanical tow cable connecting the sources, whereby reeling and u... | 08/19/2003 |
| 6575112 | Elevated tow apparatus The present invention is for an elevated tow device made of a superstructure extending skyward from a towboat, where the superstructure raises an attachment point of a tether above 10 feet from the waterline, where the towboat is 25 feet or less in length... | 06/10/2003 |
| 6556510 | Integrated marine seismic source and method A system and method for generating acoustic source energy in marine seismic operations. A plurality of acoustic energy sources are integrated within seismic streamers to facilitate deployment, power distribution and signal communication. The acoustic ener... | 04/29/2003 |
| 6516739 | Watercraft A tugboat with a forwardly-facing rudder and roller at the stern, and a propulsion drive disposed at either the bow or the stem that generates a high transverse force for towing large ships on a desired course. The roller is disposed in an off-flow region... | 02/11/2003 |
| 6463868 | Tether retraction device The present invention relates to a tether retraction device having particular utility with multi-line towed arrays. A system for retrieving and deploying a multi-line towed array having a plurality of array lines has at least one tether joinable between t... | 10/15/2002 |
| 6460479 | Convertible protective cover/floating towable auxiliary unit for a personal watercraft A convertible cover for protecting a personal watercraft and increasing the carrying capacity of the personal watercraft. The convertible cover consists primarily of a watertight, unitary hull which, when placed on the personal watercraft, encloses substa... | 10/08/2002 |
| 6453839 | Self stabilizing tow apparatus When it is beneficial for a towing craft, such as a boat, to tow from a point high above its center, an airfoil can be fastened to a tether for improved roll and yaw stability. In the case of a wakeboarder, the upward tow angle afforded by a tall tower im... | 09/24/2002 |
| 6422506 | Towed airborne array system A towed airborne array system has a balloon that supports appropriate instrumentation packages overhead and is tethered to a towing ship to improve line-of-sight sensing and communication capabilities to up to about 100 nautical miles. These improved capa... | 07/23/2002 |
| 6416369 | Underwater towing of marine vessels A marine vessel is propelled under maneuvering control in a selected direction and travel speed through a body of seawater, by propulsion exclusively provided for by one or more submerged towing module pods attached to the underside of the vessel hull at ... | 07/09/2002 |
