An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6866830 | System for continuously preparing gasoline, kerosene and diesel oil from waste plastics The present invention relates to a method and system for the continuous preparation of gasoline, kerosene, and diesel oil from waste plastics. The method comprises the steps of: subjecting a melt of the waste plastics to a first catalytic reaction in which the waste... | 03/15/2005 |
| 6863002 | Railway container transhipment device Railway container transhipment device for moving a container, wherein the device includes two underframes. Each underframe includes a crane unit, whereby the crane units are adapted to cooperate with one another. Each of the two crane units include a lower boom, and... | 03/08/2005 |
| 6669038 | Self-propelled crane A self-propelled crane provides a possibility to lift the heavy and large-size loads and includes a mobile unit as a base unit, which carries a pivoting platform, a traverse, a boom, the bottom of which is by the hinge connected to the platform and the up... | 12/30/2003 |
| 5931321 | Crane mechanism A crane structure for hoisting, holding and/or towing heavy loads is provided. The crane structure includes a frame, for example a wrecker truck chassis, a boom support assembly, and a pair of booms each having a first member pivotally mounted to the boom... | 08/03/1999 |
| 5240129 | Heavy duty crane with self-retracting/erecting live mast A traveling crane incorporates a self-retracting/erecting live mast or the like, pivotally mounted on the base unit and capable of moving to and from a flipped, stowed position on the opposite side of vertical from the positions of the normal operating mo... | 08/31/1993 |
| 5018630 | High-capacity lift crane assembly A high-capacity lift assembly consisting essentially of a multipurpose platform and a pair of commercially available truck cranes or crawler cranes wherein the lifting capacity of the respective cranes is combined to create an overall assembly capable of ... | 05/28/1991 |
| 4582206 | Mobile aerial hoist A hoist for controllably lifting, holding or lowering an object from a mobile aerial device having an articulated or extendable boom supporting a man-lifting platform. The hoist has an adjustably positioned housing and positioning plate mounted to a shaft... | 04/15/1986 |
| 4519741 | Mobile yard crane for handling containers A mobile yard crane for handling containers or the like is disclosed, said crane includes at least two lifting jibs that act along vertical planes fixedly parallel to one another. The crane jibs are connected with one another, preferably by way of a hydra... | 05/28/1985 |
| 4461369 | Articulated boom and assembly therefor An articulated boom and assembly comprising: (a) a lower boom arm; (b) an upper boom arm foldable over the lower boom arm and pivotal with respect to the lower boom arm; (c) hydraulic cylinders positioned between the boom arms and having piston rods extending ... | 07/24/1984 |
| 4444542 | Vehicle with double booms An earth-working vehicle with a pair of articulated booms mounted side-by-side adjacent the forward end of a turntable in the vehicle. The booms pivot in parallel vertical planes that parallel the longitudinal axis of the turntable. An operator's station ... | 04/24/1984 |
| 4396127 | Twin-type slewing crane Two mechanically identical cranes whose luffing jibs have the same maximum and minimum out-reach and which have their own slewing machinery, are mounted via respective supporting structures on a common foundation, at the same level for rotation about the ... | 08/02/1983 |
| 4364545 | Well servicing apparatus A suspension structure is disclosed for use in running well hardware such as a pumping assembly by cable into a well and pulling the hardware from the well, the structure including two suspension masts. One of the masts is a lightweight mast having a work... | 12/21/1982 |
| 4303166 | Horizontal slewing crane A crane having a fixed mast and a boom pivotally mounted at the top of the mast for movement in a horizontal plane through at least 180° and in a vertical plane downwardly from the horizontal plane at any position of the boom relative to the vertical axi... | 12/01/1981 |
| 4201305 | Rotatory crane with plural jibs A double slewing crane comprises a vertical support or column which is adapted to be fixed in position, for example on a ship between two cargo hatches. A first crane arm or cantilever arm is pivotally mounted on the support for pivotal movement about a v... | 05/06/1980 |
| 4197953 | Double slewing crane construction A double slewing crane comprises a vertical support or column which is adapted to be fixed in position, for example on a ship between two cargo hatches. A first crane arm or cantilever arm is pivotally mounted on the support for pivotal movement about a v... | 04/15/1980 |
| 4196815 | Twin-type slewing crane Two mechanically identical cranes whose luffing jibs have the same maximum and minimum out-reach and which have their own slewing machinery, are mounted via respective supporting structures on a common foundation, at the same level for rotation about the ... | 04/08/1980 |