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| Number | Title | Issue Date |
| 7194973 | Air cushioned rotatable platform A fluid cushioned platform adapted to float on a body of liquid. The platform includes a deck having upper and lower surfaces and a lower peripheral member extending around the outer perimeter of the deck. A pump having a pump outlet is supported by the deck. A fill... | 03/27/2007 |
| 7147183 | Lift system for an aerial crane and propulsion system for a vehicle The present invention provides an improved lift system for an aerial crane incorporating a wing, coanda and curved surface. The arrangement of the wing, coanda and curved surface use and induce airflow to create additional lift through an increase in airflow mass, d... | 12/12/2006 |
| 4753311 | Hydrostatic translation slide support A hydrostatic translation slide support, comprises a housing, a slide member, a low pressure chamber and a high pressure chamber, a support ring which is elastically held against the housing and pressed with a uniform tensioning against the slide member, ... | 06/28/1988 |
| 4615407 | Flexible annular jet seal for surface effect vehicles An improved bow and/or stern seal is provided for a surface effect vehicle herein the vehicle has a pair of spaced apart side hulls which are joined by a wet deck, and the bow and stern seals extend between the side hulls so that an air cushion can be form... | 10/07/1986 |
| 4137988 | System for sealing the gap between a surface and a wall edge opposite it The gap between a bearing surface and the free edge of a wall extending opposite this surface and bounding therewith a volume of water or other liquid, is sealed against liquid leakages by a cushion of air or other gas surrounding the gap and having a pre... | 02/06/1979 |
