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| Number | Title | Issue Date |
| 6925954 | Systems and methods for allowing underwater escape from a submarine A method for allowing underwater escape from a submarine includes attaching a lower escape tower connector of an escape tower to a hatch connector of a submerged submarine to sealingly attach a lower end of the escape tower to the submarine. A first riser tube is at... | 08/09/2005 |
| 5755532 | Articulating pressure conduit A method and apparatus for connecting vessels which have equal or different internal pressures, or which are surrounded by equal or different pressures to permit transport between the connected vessels. An articulating apparatus for connecting vessels whi... | 05/26/1998 |
| 4972776 | Submarine minesweeper An unmanned, self-propelled minesweeping apparatus, capable of sweeping at ubstantial depths, is described, comprising a torpedo-like submarine vehicle that deploys and tows a string of explosive mooring cable cutters terminating in a sea anchor. The sea a... | 11/27/1990 |
| 4753552 | Dry and/or wet one-atmosphere underwater system A one-atmosphere underwater modular system is provided. The modular system comprises components which can be manipulated and attached to one another through use of a submarine or the like. A variety of components are provided including: a maneuvarable sub... | 06/28/1988 |
| 4745860 | Small scale semi-submersible boat for naval combat This invention relates to a small scale semi-submersible boat for naval combat comprising a hull of which a first, water-tight part is insubmersible and a second part is submersible. In the submersible part of the hull is accommodated at least one balloon or ... | 05/24/1988 |
| 4669413 | Transfer chamber and method of operating same An improved transfer chamber for a space vehicle has an enclosure mounted on the hull of a spacecraft, and is provided with inner and outer doors. Two bladders are placed within this transfer chamber, and are selectively movable toward and away from one a... | 06/02/1987 |
| 4333414 | Submersible twin-hull watercraft A submersible watercraft has at least one watertight hull and a diver-exit vessel adapted to accommodate a diver is detachably connected to the watercraft by a sealable diver-exit port which enables divers to pass between the diver-exit vessel and the wat... | 06/08/1982 |
| 4153001 | Manned submarine A manned submarine includes first and second side-by-side chambers extending in a fore-to-aft direction. The first chamber is maintained at substantially atmospheric pressure and includes sleeping and eating compartments for ship-based personnel, and a ga... | 05/08/1979 |
| 4148260 | High speed transit system A high speed ground transportation system, is suspended in an underground vacuum tube by a frictionless magnetic suspension system and propelled by gravity. The tubes are suspended inside deep underground tunnels from anchor points near each adjacent stat... | 04/10/1979 |
| 3987742 | Swivel air lock for airtight connection between submergibles An air lock in accordance with the invention is composed of two portions -- stationary hemispherical bell 6 fastened on a submarine rescue device 5 and a swivel skirt 7 in the form of a portion of a swivel joint, nested in the bell with a slight amount of... | 10/26/1976 |
