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| Number | Title | Issue Date |
| 6938852 | Flying craft tethered to powered water vehicle A flying vehicle assembly apparatus comprises a winged flying craft and a powered craft for propelling the flying craft and a tether assembly comprising one or more first rigid struts having a first end pivotally secured to first biased pivot connections adjacent to... | 09/06/2005 |
| 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 |
| 6354235 | Convoy of towed ocean going cargo vessels and method for shipping across an ocean A ship convoy is provided that is towed by an ocean tug, and includes a series of specially made ocean going, modular, self propelling cargo ships, for transoceanic voyages. The tug also controls the cargo ships remotely. Each cargo ship is a medium tonna... | 03/12/2002 |
| 6260500 | Emergency ship towing system A thrust unit having an engine as an external source of motive power for a marine vessel in distress, is delivered by helicopter air drop to a remote seawater location together with other components of the associated towing system, delivered onto the deck... | 07/17/2001 |
| 6192819 | Water sport towing apparatus The aerial performance characteristics of a performer using a water sport implement such as a wakeboard is enhanced by a towing apparatus which includes vertical supports rigidly attached starboard and port side gunwales of the vessel at a location genera... | 02/27/2001 |
| 5979350 | Water sport towing apparatus and method The aerial performance characteristics of a performer using a water sport implement such as a wakeboard, and being towed by a vessel while maintaining stability of the vessel includes a first relatively rigid vertical support fitted to one side of the, a ... | 11/09/1999 |
| 5704817 | Water surface propulsion device A motorized aquatic propulsion device of the type that will tow a swimmer across a water surface. The main housing (10) contains the battery (58), motor (60) and propeller (62). Water enters the forward water intake tube (32), is forced through the inner ... | 01/06/1998 |
| 5094638 | Water vehicle A water vehicle comprised of a tow unit having only an internal combustion engine and a propulsion unit for propelling the watercraft and which cannot accommodate a rider. A towed unit is towed by the tow unit and includes a control device for controlling... | 03/10/1992 |
| 4800831 | Ice breaker Broken ice floes move laterally by the prow of an ice breaker into a position below the unbroken ice cover laterally limit the fairway channel formed and surround the stern of the ship, so that as a result of the increased water speed produced by the prop... | 01/31/1989 |
| 4621946 | Method and apparatus for moving ice masses A method and apparatus is disclosed for moving a large mass of ice by anchoring a two line thereto. The tow line is connected to a marine vessel which tows the ice mass to a remote location distant from threatened equipment and personnel.... | 11/11/1986 |
| 4003329 | Combination positioning and propelling apparatus for barges Combination barge positioning and propelling apparatus utilizing a plurality of powered, reversible traction devices in frictional contact with the vertical sides of the barge is disclosed. Several embodiments of the apparatus are shown to accommodate var... | 01/18/1977 |
| 3955525 | Watercraft docking mechanism and method A docking mechanism for watercraft such as barges and the like which is readily secured to a mooring pile and is floatable, the mechanism including a driving apparatus which is engageable with and drives the watercraft and apparatus for effecting the driv... | 05/11/1976 |
