The invention provides a light guide element (1300) comprising a light guide (300), wherein the light guide (300) in comprises a first light guide face (301) and a second light guide face (302) with UV radiation transmissive light guide material (305) between the first light guide face (301) and the second light guide face (302), wherein the light guide element (1300) further comprises one or more of: (i) a first layer element (30) in contact with the first light guide face (301), wherein the first layer element (30) is transmissive for UV radiation; and (ii) a second layer element (130) in contact with the second light guide face (301), wherein the second layer element (130) has one or more functionalities selected from the group consisting of (a) reflective for UV radiation, (b) adhesive for adhering the light guide (300) to an object, (c) reinforcing the light guide element (1300), and (d) protective for the light guide (300).

Implementations of an inflatable raft that has a figure-eight shape are provided. The figure-eight shape serves to stabilize the inflatable raft and allows it to be paddled and maneuvered by a single paddler. An example inflatable raft may include a figure-eight shaped buoyant member comprised of a plurality of tube-sections. The plurality of tube-sections are connected together end-to-end to form a front lobe, a rear lobe, and a narrow central section, the narrow central section connects the front lobe to the rear lobe. The inflatable raft also includes a floor that is connected to the underside of the figure-eight shaped buoyant member. The plurality of tube sections that form the front lobe, the rear lobe, and the narrow central section are positioned to define a compartment of some depth between them, the floor acts as a bottom for the compartment.

A swim platform for attachment to a boat includes a rearwardly tapered inflatable body including a top surface capable of supporting a standing person, an outer perimeter including a forward wall, an aft wall, and a port sidewall and a starboard sidewall extending between the forward wall and aft wall. The forward wall is positionable adjacent the transom. The forward wall is longer than the aft wall and is configured not to extend laterally beyond the starboard and port sides at the transom. The swim platform may be left in the water while the boat is moving and is designed not to interfere with the boat's wake.

The invention relates to a floating vessel comprising a hull, at least one seat, and two outriggers arranged laterally to the hull and connected directly or indirectly to the hull, wherein a drive unit, separately controllable in its drive output, and comprising a respective at least one propeller driven by a motor, in particular an electric motor, is assigned to each outrigger. A helm of the floating vessel is thereby connected to a proportional transducer, and a control signal from the proportional transducer is supplied to a control unit which directly or indirectly controls the motors in accordance with the control signal from the proportional transducer. Thus, a precisely controllable and yet easily disassemblable floating vessel is provided.

A watercraft includes a plurality of separable body sections (2101, 2102, 2103, 2104, 2105, 2106) configured for assembly into a single assembled structure (2100) having a first length, and for packing into a packed structure (3000) having a second length smaller than the first length. The single assembled structure may be held together using latching devices, one or more of the latching devices including a latch unit comprising a latch support, a spring mount and a band spring, the band spring having a first spring end and a second spring end, wherein the latch support includes a latch and a first shaft positioned in relationship to the latch, the first shaft configured for rotatably mounting the first spring end of the band spring, and the spring mount includes a second shaft configured for rotatably mounting the second spring end of the band spring.

The present invention generally relates to containment and control of an oil spill caused by a damaged or broken riser in deep water. More specifically, the present invention relates to a reusable unit that will contain oil spills to a specific location and will also allow oil to be harvested as it flows to the top of the unit while minimizing or even eliminating any environmental clean-up impact or cost. The unit of the present invention is dropped over a damaged or broken riser in a closed position, the unit is released and stabilized in sections until the surface is reached and the containment unit is completely erected.

A computer-implemented method, computer program product, and computer system may include determining, by a computing device, a first location on a body of water. The first location may be transmitted to a drone buoy. Data may be received from the drone buoy. A second location on the body of water to send to the drone buoy may be determined based upon, at least in part, the data received from the drone buoy.

A method of stowing a boat is disclosed. The boat may include three hull segments, namely a first hull segment, a second hull segment, and a third hull segment. The third hull segment may form the bow of the boat. The method may include separating the third hull segment from the other hull segments. Thereafter, one of the first hull segment and the second hull segment may be pivoted and inverted over onto the other such that the first hull segment and the second hull segment collectively form a clamshell enclosure. The relative sizing of the first, second, and third hull segments may be such that the third hull segment may be stored within an interior volume of the enclosure.

A method of stowing a boat is disclosed. The boat may include three hull segments, namely a first hull segment, a second hull segment, and a third hull segment. The third hull segment may form the bow of the boat. The method may include separating the third hull segment from the other hull segments. Thereafter, one of the first hull segment and the second hull segment may be pivoted and inverted over onto the other such that the first hull segment and the second hull segment collectively form a clamshell enclosure. The relative sizing of the first, second, and third hull segments may be such that the third hull segment may be stored within an interior volume of the enclosure.

The present invention discloses a marine vessel with a monohedral v-shaped hull bow portion blending into catamaran hull sponsons, a center tunnel and individual terminal tunnels on each of the sponsons. This new hull design is capable of high speeds to travel to a desired location, while still providing platform stability and shallow draft of the catamaran shaped aft portion. A removable hull transom diffuser gate and a removable side hull deflector plate may be retracted and/or lowered to reduce the signature of the vessel underway. A retractable cockpit may be included to permit stacking of the marine vessels in order to allow multiple vessels to simultaneously be shipped in a C-130 or C-17 cargo plane to a distant location. This retractable cockpit may include a multi-positional pilot house which can be elevated for rough sea conditions with hinged windshield and side plates for protection from waves for the operators.