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| Number | Title | Issue Date |
| 4084530 | Baling of waterborne craft A craft, especially an inflatable dinghy, having a manually operable baler ystem comprising a flexible tube passing through the floor of the craft, a funnel mouth to the free end of the tube, and a non-return valve disposed to prevent water entering the cr... | 04/18/1978 |
| 4082049 | Sailing cradle A sailing frame is disclosed which, in the preferred embodiment, is adapted to mount on an inflatable boat. The frame can be disassembled and/or folded into a small package for storage, compatible with the deflated boat. The frame assembles into a rigid c... | 04/04/1978 |
| 4063320 | Inflatable boat An inflatable boat includes a buoyant body having a pair of elongated lateral portions which are arcuately raised at both the bow region and the stern region thereof, a stern bulkhead connected to the lateral portions and extending between them, and a bot... | 12/20/1977 |
| 4057865 | Foldable kayak A rigid bottom foldable on a central transverse hinge has a removable tubular skeleton frame at each end supporting the skin. A pneumatic tubular member carried by the bottom sections serves to expand and tightly support the skin in use, thereby retaining... | 11/15/1977 |
| 4031580 | Inflatable boat A deck portion of an inflatable boat has, when inflated, a plurality of alternating external bulges and grooves extending substantially longitudinally of the boat and diverging at the front part of the deck portion in the rearward direction of the boat so... | 06/28/1977 |
| 4021873 | Circular watercraft A circular watercraft has a buoyant, generally toroidal hull supporting a rigid deck with an outer periphery in substantial conformance with the perimeter of the hull. The deck has an opening located above the central opening of the hull to permit placeme... | 05/10/1977 |
| 3955229 | Rubber boat End wall compartment closures for the stern parts of inflatable sponsons or pontoons for rubber boats are disclosed to enhance the gliding motion or planing action of the boat through the water and prevent distortion of the sponsons under variable inflati... | 05/11/1976 |
| 3935607 | Inflatable boat An inflatable boat comprising inner inflatable tubes in an outer tube, the inner tubes and the outer tube being fabricated from flat sheet stock by a method involving stitching a bottom seam of the outer tube with the outer tube in place on the inflated i... | 02/03/1976 |
| 3931655 | Inflatable boat An inflatable boat is preferably of sectional construction and includes a bow section, an intermediate section and a stern section which are releasably secured together. Each boat section is comprised of inflatable side members that are of generally recta... | 01/13/1976 |
| 3930274 | Assembly for use in recreational activities The assembly includes a longitudinal axis and opposite end surfaces transverse to the longitudinal axis. The container has a structure effective to receive both liquids and gas mediums therein and has valves for introducing and exhausting both liquid and ... | 01/06/1976 |
