Abstract: Inflatables can have one or more flat segments that are configured to form one or more bends. The flat segments of the inflatables could be formed using any technique such as drop stitch. One or more bends may be maintained in one or more flat segments of an inflatable such as to create a ladder and a slide. A variety of bend maintaining components can be used to maintain the one or more bends.

Abstract: An aquatic rescue vehicle formed by adding directional and speed controls to a watercraft along with an autonomous control system to guide the vehicle to specified waypoints is disclosed. The rescue vehicle includes search devices such as a radio direction finder (RDF) and an infrared sensor (or camera) to be used to narrow the search for an isolated person (IP). The rescue vehicle may be discharged from a larger watercraft or an airplane and autonomously set out on its rescue mission. The vehicle may first navigate to a designated waypoint near an IP, and then use signals gathered from the RDF and infrared sensor to finally locate, assist, and retrieve the IP. The vehicle also includes a self-righting mechanism so that the vehicle can complete its mission even under the most adverse conditions.

Abstract: Disclosed are an automatic stable posture seabed base and a releasing method, belonging to the technical field of ocean observation. The automatic stable posture seabed base includes an accommodating body with an inner cavity for accommodating the first observation device and a seawater, and the accommodating body has first through holes for the seawater to enter and outflow the inner cavity; plugging members blocked at the first through holes to close or semi-close the first through holes; and a buoyancy body installed at a transducer of the first observation device, and a buoyancy of the buoyancy body is larger than a mass of the first observation device, so that the first observation device may float in the cover body after the cover body is filled with water, and a posture of the transducer in the cover body always keeps vertically to the sea surface.

Abstract: An extendable and retractable boat awning device that is mountable on at least one side of a boat to a boat roof top so that when the awning device is opened it allows people in the water to swim or float in shade outside the boat and is retractable when it is no longer needed, or the boat is preparing to move wherein it generally includes a canopy assembly and a support base that is mountable to the roof of a boat wherein the canopy assembly is pivotally attached at one end to the support base by a plurality of pivoting support rods that support and extend a flexible canopy and the support base includes an encasement, encasement cover, a plurality of base mounting assemblies each having a mounting beam extending from a ceiling mounting plate wherein the ceiling mounting plate is mountable to a boat roof for supporting the boat awning device on the boat and that may be easily removed from the boat.

Abstract: Provided is a floating-type on-water support apparatus including: a ball; a floating unit including a floating part, wherein the floating part has an upper plate supporting the ball so that the ball is rotatable, an interior formed to be hollow, and a lower plate provided with a spherical surface portion and floats on water; a support rod coupled to the ball and having one end exposed above the water so that a structure is installable thereon and the other end heavier than the one end so as to stand vertically to be accommodated in the floating part; and a base unit having one end installed on a lower portion of the support rod to support the support rod and the other end in roll contact with the spherical surface portion.

Abstract: An apparatus includes a marine component or structure having a surface to be exposed to a marine environment during use. A photocatalyst coating is secured to the surface of the marine structure, wherein the photocatalyst coating includes titanium oxide. The marine component or structure is preferably selected from a boat hull, dock post, dock piling, pier, and buoy. A method may be provided for reducing or preventing barnacle attachment to a marine component or structure, including forming a transparent photocatalyst coating on an external surface of the marine structure, wherein the transparent photocatalyst coating includes a titanium oxide, and placing the marine component or structure in service within a marine environment.

Abstract: A curved origami-based metamaterial includes a panel of material having a plurality of curved creases each disposed within a plane of the panel. The panel is configured to be folded along one of the plurality of creases, and the panel is also configured to be bent about an axis disposed outside the plane of the panel. Stiffness manipulation is configured to be achieved in situ by activating a different one of the plurality of curved creases.

Abstract: A hull behavior control system includes a memory and at least one controller coupled to the memory. The at least one controller is configured or programmed to control a propulsion force of the marine vessel using a propeller of the marine vessel, obtain a water surface shape around the marine vessel, estimate movement of a wave based on the water surface shape, and reduce the propulsion force by controlling the propeller when it is determined that an impact force equal to or greater than a threshold value will act on the hull after the hull travels over the wave whose movement has been estimated.

Abstract: A transom lift for boats that can be used for loading and transporting objects such as a dinghy or large coolers. The transom lift has generally parallel and vertical members that fit inside of generally vertical and parallel sides of transom mount ladders. Hooks extend from the generally parallel, spaced apart, elongated, and vertical members, and are constructed and arranged to fit over steps of the transom mount ladder. A supported planar member or platform extends from a lower portion of the generally vertical, spaced apart, elongated, and parallel members. The transom lift is raised and lowered by pulling on an upper end of the transom lift using the transom mount ladder as a guide for vertical movement of the transom lift. The hooks position and hold the planar member or platform in the desired vertical position, either above or below the water line.

Abstract: A system for providing a line to a boat is provided. The system includes the line attached to a portion of a dock and a line tending unit configured for selectively operating in a stowed state and in a deployed state. The line tending unit includes a line tending arm including an attachment end configured for releasably holding the line and a line tending unit actuator configured to actuate the line tending arm between a stowed condition corresponding to the stowed state and a deployed condition corresponding to the deployed condition. The system further includes a control device in communication with the line tending unit and configured for commanding the line tending unit between the stowed state and the deployed state.

Abstract: A marine power system including multiple of fuel cells, multiple of D C/AC converters and at least one propulsion motor. In the marine power system, each fuel cell of the multiple of fuel cells is connectable to an input of a DC/AC converter of the multiple of DC/AC converters and at least one group of multiple of DC/AC converters is connectable to the at least one propulsion motor to provide variable frequency and amplitude voltage to the at least one propulsion motor. Further, at least one of the multiple of DC/AC converters is connectable to a fixed frequency AC bus to provide voltage with a fixed frequency and amplitude to the fixed frequency AC bus.

Abstract: The inventor provides a pollution-free electricity generator that harnesses the weight and power of ocean waves to turn a shaft that runs an electricity generator. The inventor anchors the ocean wave drill bit corkscrew apparatus in the surf so that ocean waves roll over half of the drill bit corkscrew apparatus and turns a shaft that powers and electricity generator.

Abstract: The present invention concerns a device for the transfer of cryogenic product from a first floating structure (330) for storing cryogenic product to a second fixed or floating structure for storing cryogenic product, comprising pipes (100) configured to transport the cryogenic product between a duct (300) linked to the first structure and a duct (200) linked to the second structure. Said pipes (100) are rigid, carried by buoyancy means (400) and fluidically connected in pairs by connection means (600) suitable for transporting the cryogenic product and allowing at least one degree of freedom. The present invention also concerns a method for retracting a device for the transport of cryogenic product.

Abstract: A method for providing a swim fin includes providing a foot attachment member and a blade member having a predetermined blade length. The blade member has a soft portion made with a relatively soft thermoplastic material. The method includes providing a relatively harder portion and the relatively soft thermoplastic portion that is molded to the relatively harder thermoplastic portion. The method includes providing an orthogonally spaced portion of the relatively harder portion that is arranged a predetermined orthogonal direction while said swim fin is in state of rest. The method includes providing the blade member with a predetermined biasing force portion that is arranged to urge the orthogonally spaced portion while the swim fin is in a state of rest. The method includes arranging a significant portion of the blade length to experience pivotal motion a lengthwise angle of attack during use.

Abstract: A system and method for precise and consistent control of automated systems for deployment of boat fenders. The system comprises a computing device, one or more sensors, a motor controller, and a motor driver for operating motorized systems for deployment and/or retrieval of boat fenders. Various embodiments of the system use sensors and corresponding compensators to adjust the time of operation of a motor of the motorized system to ensure that the boat fender is deployed and/or retrieved to the proper height.

Abstract: An artificial floating island includes a lower mounting and an upper mounting. The upper mounting includes a bottom wall and a surrounding wall that cooperatively define an internal space. The surrounding wall has service openings and root through holes. The upper mounting has internal blocks, each having a block body that is connected between the bottom wall and the surrounding wall, and that defines a service space disposed outside of the upper mounting and being in communication with a respective one of the service openings. The lower mounting is coupled to the upper mounting and has an outer surface that is formed with a plurality of guiding troughs.

Abstract: A suspension system for supporting a body relative to at least four points, including: a respective front left, front right, back left and back right support arrangement between the respective point and the body, each respective support arrangement including a respective resilience arrangement and a respective control ram, each respective control ram including a respective compression chamber forming at least part of a respective compression control volume; a control arrangement including a first and a second diagonal reversible pump for displacing fluid between diagonally opposite compression control volumes. Each respective resilience arrangement can include a respective damping arrangement to restrict and/or selectively prevent compression and/or expansion of at least a portion of the respective resilience arrangement. Each respective control ram can further include a respective rebound chamber, the front control rams being cross connected and the back control rams being cross connected.

Abstract: A drainage device may include a channel body mountable on the surface proximate to an outlet on the surface and extendable away from the surface. A drainage device may include a groove formed along at least a partial length of the channel body. A drainage device may include a lip protruding from a bottom edge of the channel body at an end of the channel body that is distal from the surface when the drainage device is mounted thereon, wherein when the drainage device is mounted on the surface proximate to the outlet, fluid from the outlet is directed by the drainage device away from the surface.

Abstract: Provided is a floating foundation for supporting a wind power generation system including a stabilized power cable. In one embodiment, the floating foundation includes a column extending upwardly and couplable at a top end thereof to a base of the wind turbine, at least one power cable for exporting power generated from the wind turbine to another floating foundation or to an offshore/onshore station, and a plurality of buoyancy modules disposed along the at least one power cable. Power cables between a plurality of floating foundations and/or power station may be supported by buoyant modules such that the power cable is located in an optimal submergence range of the water body in which the floating foundations are deployed.

Abstract: The invention relates to a floating module (1) comprising a plurality of walls (2) extending between a first longitudinal end (4) and a second longitudinal end (6), the floating module (1) comprising a first partition (8) and a second partition (10) connecting each wall (2) of the plurality of walls, defining an internal volume (12) of the floating module (1), characterized in that the floating module (1) comprises at least one extension (14) emerging from an external face (16) of the wall (2), the extension (14) extending longitudinally in projection from the first longitudinal end (4) or from the second longitudinal end (6), the extension (14) and the wall (2) being materially integral. The invention also relates to a method for joining a first floating module (3) and a second floating module (5).