Disclosed herein is a foldable canoe. More particularly, the foldable canoe is configured such that it is constructed by folding a single synthetic resin sheet along a folding line without using a separate structural frame, and after the use of the canoe, the synthetic resin sheet can be completely folded along the folding line to form a compact shape, thus reducing the volume and length of the canoe, thereby facilitating transportation and storage of the canoe.

A multi-purpose personal watercraft for deployment in different configurations as desired by a user. The multi-purpose personal watercraft comprises a base frame which forms a watercraft base which includes side extensions, an aft floor board, and a bow portion, as well as two opposing mirror image side floats with which the base frame is selectively integrated. When in place, the opposing side floats form the multi-purpose personal watercraft's U shaped hull and enable the selective attachment of a rudder assembly behind the multi-purpose personal watercraft's stern. With respect to propulsion, base frame is configured to enable the selective deployment of pedal propellers, a user's legs, or a trolling motor. A dual steering system enables the control of up to two discrete steering mechanisms from a single position on the watercraft.

Disclosed is a variable beam vessel. The vessel comprises a main hull having a longitudinal axis, a float and a float connection assembly comprising a main support member and actuation system. The main support member is connected to the float and main hull. The actuation system moves the float substantially perpendicularly to the longitudinal axis between an in-use configuration in which the main support member is connected to the main hull and maintains the float a first distance from the main hull, and a stowed configuration in which the main support member maintains the float a second distance from the main hull, the second distance being less than the first distance. The actuation system maintains a common orientation of the float in both the in-use configuration and stowed configuration.

Disclosed is a variable beam vessel. The vessel comprises a main hull having a longitudinal axis, a float and a float connection assembly comprising a main support member and actuation system. The main support member is connected to the float and main hull. The actuation system moves the float substantially perpendicularly to the longitudinal axis between an in-use configuration in which the main support member is connected to the main hull and maintains the float a first distance from the main hull, and a stowed configuration in which the main support member maintains the float a second distance from the main hull, the second distance being less than the first distance. The actuation system maintains a common orientation of the float in both the in-use configuration and stowed configuration.

A house is provided. The house includes a base and a roof. The roof is attached to the base. The base has sufficient buoyancy to enable the house to float on water.

A multihull stepped planing boat with multiple independent elastic planing surfaces includes: a main hull, X front planing sub-hulls arranged side by side under a front portion of the main hull, and Y rear planing sub-hull arranged side by side under a rear portion of the main hull; wherein X and Y are positive integers, and 3≤X+Y≤8; the X front planing sub-hulls are equally spaced, and the Y rear planing sub-hulls are also equally spaced; there is a gap between the X front planing sub-hulls and the Y rear planing sub-hulls. The planing surface of the main hull is formed by a plurality of independent and spaced sub-planing surfaces. There is a certain elastic buffer space between each sub-planing surface and the main hull, and the shock absorption structures can absorb most of the shocks, thereby reducing the impact of water surface waves during high-speed navigation.

Embodiments of the present invention provide foldable boat with at least two shell members, capable of being transformed between a storage configuration and a deployment configuration. The boat comprises an aft shell and a forward shell, coupled together by respective pluralities of interlocking pleats. The storage configuration comprises the two shell members folded together to form an interior storage space for carrying supplies and gear and allows the boat to be transported via a plurality of wheels and an extendable handle. A plurality of handles enables a user to unfold the boat into the deployment configuration, and a locking rod enables the boat to be retained in said configuration while in use on water as a boat or on snow as a sled.

Embodiments of the present invention provide foldable boat with at least two shell members, capable of being transformed between a storage configuration and a deployment configuration. The boat comprises an aft shell and a forward shell, coupled together by respective pluralities of interlocking pleats. The storage configuration comprises the two shell members folded together to form an interior storage space for carrying supplies and gear and allows the boat to be transported via a plurality of wheels and an extendable handle. A plurality of handles enables a user to unfold the boat into the deployment configuration, and a locking rod enables the boat to be retained in said configuration while in use on water as a boat or on snow as a sled.

A modular flotation device comprises a first elongated rigid pontoon module comprising a first pontoon section and a second pontoon section, a second elongated rigid pontoon module comprising a third pontoon section and a fourth pontoon section, and an intermediate frame module comprising longitudinal members extending substantially parallel to the first and second elongated rigid pontoon modules, and lateral members extending substantially perpendicular to the first and second elongated rigid pontoon modules. The first, second, third, and fourth pontoon sections can comprise identical connection profiles and are interchangeable with one another.

A modular flotation device comprises a first elongated rigid pontoon module comprising a first pontoon section and a second pontoon section, a second elongated rigid pontoon module comprising a third pontoon section and a fourth pontoon section, and an intermediate frame module comprising longitudinal members extending substantially parallel to the first and second elongated rigid pontoon modules, and lateral members extending substantially perpendicular to the first and second elongated rigid pontoon modules. The first, second, third, and fourth pontoon sections can comprise identical connection profiles and are interchangeable with one another.