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| Number | Title | Issue Date |
| 7264202 | Tri-cycloidal airship An unmanned, lighter-than-air airship includes three omnidirectional thrust generating units. One unit is mounted at the fore-end of the airship to generate thrust in a plane that is perpendicular to the longitudinal axis of the airship. This unit controls pitch and... | 09/04/2007 |
| 7219855 | Rising and moving apparatus and manufacturing method thereof A fluid-structure interactive analysis is performed while n types of wing structure models are caused to flap in accordance with a prescribed model of flapping manner. Based on an analysis, data 1, data 2, . . . data n of physical values related to flu... | 05/22/2007 |
| 7059923 | Cycloidal propeller A cycloidal propeller for a boat is provided that has a protective guard with one or more slots therethrough, which run at least approximately perpendicular to the direction of travel of the boat. ... | 06/13/2006 |
| 6860772 | Transverse watercraft propeller A propulsive force for propelling different types of water vehicles is developed by four paddles mounted on the planetary gearbox which is rotated by the transversely oriented driving shaft. Each paddle has, preferably, two perpendicular to each other balanced blade... | 03/01/2005 |
| 6554666 | Propulsion apparatus for marine vessels An outboard apparatus for propelling marine vessels includes a horizontal driving shaft, a rotated planetary gear-box and four propelling blades disposed over the surface of the water. During the rotation of the driving shaft, the blades extend into the w... | 04/29/2003 |
| 6352458 | Propulsion system and method A method and system for propelling or sustaining marine vessels and aircraft. A propulsive force is developed in a gaseous or liquid fluid as a result of rotation of two pairs of generally parallel blades around two perpendicular intercrossed axes with th... | 03/05/2002 |
| 6244919 | Vertical axis and transversal flow nautical propulsor with continuous self-orientation of the blades A vertical axis and transversal flow nautical propulsor continuously self-orients the blades. The propulsor includes a plurality of blades rotatable about a vertical axis; a blade supporting plate for supporting the blades, wherein the blade supporting pl... | 06/12/2001 |
| 6227483 | Wing movement for ornithopters and apparatus of the like The wing movement has a gearbox, a reference gear extending through the gearbox and being movably mounted to the gearbox, an input shaft extending through the reference gear and into the gearbox and first and second output shafts movably extending from th... | 05/08/2001 |
| 6224441 | Propulsion system and method A method and system for developing a propulsive force which can be utilized for driving different types of water, air or land vehicles. The propulsive force is developed by rotating a propeller shaft with four generally flat propeller blades mounted on tw... | 05/01/2001 |
| 6193466 | Counter rotating bypass propeller A propulsion device having fins rotating in opposing directions which are adjustable to avoid collision yet which provide opposing strokes similar to fishtails. At least one adjustable fin is connected at an end of a rotatable hollow primary axle which co... | 02/27/2001 |
| 5632661 | Device, such as a propeller, for ships which is independent of the main propeller propulsion system and can be used as an active maneuvering mechanism Device which is independent of the main propulsion system of a ship, and which can be used selectively as a passive rudder or as an active maneuvering mechanism, and consists of one or more blades, a wheel body, a transmission and one or more control unit... | 05/27/1997 |
| 5215483 | High speed sea train A vessel for pleasure or cargo transportation in which the vessel is born by a special flotation method comprising a plurality of circular floats that are designed to be rotated at high speed in such a way that the vessel skims across the water riding on ... | 06/01/1993 |
| 5100080 | Rotor for developing sustaining and propelling forces in a fluid, steering process, and aircraft equipped with such rotor The invention relates to a rotor able to develop in a fluid lifting and/or propelling forces and its process for control. Said rotor comprises several profiled blades (9) with axes parallel to the drive axis (3); the incidence of each profiled blade is co... | 03/31/1992 |
| 4752258 | Device for controlling a cycloid propeller for watercraft To enable an exact and quick adjustment of the control point of a cycloid propeller ("Voith-Schneider-Propeller"), hydraulic adjustment cylinders are provided with electric proportional valves whose set value is determined by a cylinder stroke control cir... | 06/21/1988 |
| 4419085 | Amphibious vehicle In an amphibious vehicle having driven wheels for movement along dry surfaces and a driving unit for movement through fluids, the improvement comprising at least one of the driven wheels being provided with supports and a positioning mechanism for propell... | 12/06/1983 |
| 4411632 | Waterbound facility powered by cycloidal fluid flow engines A waterbound facility, serving the extraction of energy from the water current in which it is moored, consists of a seaworthy vessel, which carries cycloidal turbines, extending their impeller blade assemblies through the vessels bottom into the current. ... | 10/25/1983 |
| 4084537 | Flank drive for planing hull and displacement craft The invention relates to a flank drive for propelling a boat wherein a plurality of propeller housings are rotatably mounted in a wheel body about and in driving engagement with a normally stationary guide wheel centrally of the wheel body, which wheel bo... | 04/18/1978 |
| 3977352 | High sea vessel having tanning and cargo carrying capabilities A sea going vessel, particularly adapted to serve as a supply and servicing ship for off-shore drilling platforms by fulfilling towing, anchor handling, and cargo carrying functions, wherein the propulsion and steering equipment is positioned in the forwa... | 08/31/1976 |
| 3949694 | Special submarine devices using a novel integrated lift, propulsion and steering system A submarine device having a hull which is substantially symmetrical about a horizontal plane of symmetry and vertical longitudinal and transverse planes of symmetry. An integrated lift, propulsion and steering system is provided for the submarine device a... | 04/13/1976 |
