| Patents for B63G 8 - Underwater vessels, e.g. submarines (3,430) |
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| 09/05/1991 | DE3442051A1 U boat decoy deceiving active locating sonar esp. of torpedo - is underwater floating body carrying large metal surface |
| 09/04/1991 | EP0444400A1 Submarine escape assembly |
| 08/27/1991 | US5042415 Vehicle handling system for submersibles |
| 08/22/1991 | DE3346301C1 Acoustic submarine protection - has noise sources activated in sequence to produce noise spectrum |
| 08/21/1991 | EP0442332A1 Pressure-proof shell structure for underwater technology, especially for deep sea technology |
| 08/07/1991 | EP0440517A1 Navigational system of a floating structure type allowing the exploration of the submarine environment |
| 07/30/1991 | CA1286922C Device for subsea operations |
| 07/30/1991 | CA1286921C Submarine weapon handling system |
| 07/25/1991 | WO1991010588A1 Device for handling an apparatus which projects from the underside of a hull, in particular a sonar |
| 07/16/1991 | US5031565 Two-level sea-land creeping vehicle |
| 05/28/1991 | US5018472 Horizontally moveable weight stabilizing device |
| 05/22/1991 | EP0427798A1 Apparatus for and method of managing liquid under pressure. |
| 05/21/1991 | US5016555 Submarine torpedo tube primary seal interlock |
| 05/08/1991 | EP0425600A1 Process and device for reducing the noise emission of submerged submarines. |
| 04/23/1991 | US5009182 Submarine torpedo tube shutterway launch mode adapter |
| 04/17/1991 | CN1012352B Fast cooling system of burning gas |
| 04/16/1991 | US5007364 Gas control valves and apparatus for controlling buoyancy in water |
| 04/03/1991 | EP0232306B1 View port for an underwater vehicle |
| 04/02/1991 | US5003909 A bimodal flow restriction device |
| 03/20/1991 | EP0417225A1 Process and device for reducing the noise emission of submerged submarines. |
| 03/06/1991 | EP0414867A1 Process for operating submerged submarines and submarine. |
| 03/06/1991 | EP0414866A1 Underwater vehicle with passive optical observation system |
| 03/06/1991 | EP0414865A1 Process for masking the noise signals emitted by the sound-emitting mechanical elements of a vehicle, in particular a submerged submarine, and submarine. |
| 02/28/1991 | DE3927725A1 Rectangular cross=section torpedo has single propeller - behind integral steering pins |
| 02/27/1991 | CN1011771B Submersible |
| 02/21/1991 | WO1991001912A1 Underwater towable apparatus |
| 02/20/1991 | CN2071626U Underwater yacht |
| 02/20/1991 | CN1011683B Fast speed buoyancy anti-sink device for submarines |
| 02/13/1991 | EP0412216A1 Submersible |
| 02/12/1991 | US4992999 Submarine drone for carrying a barrel stave-type transducer array |
| 02/06/1991 | EP0412016A1 Aerial observation device for a submarine |
| 01/15/1991 | CA1278957C View port for an underwater vehicle |
| 01/15/1991 | CA1278956C Dry and/or wet one-atmosphere underwater system |
| 12/25/1990 | US4979455 Control surfaces |
| 12/06/1990 | DE3917480A1 Submarine launch of guided missile - involves launch vehicle with hydrodynamic brakes |
| 10/23/1990 | US4964356 Underwater towed body stabilizing device |
| 10/18/1990 | WO1990011927A1 Submersible vehicle |
| 10/18/1990 | WO1990010575A3 Process for operating submerged submarines and submarine |
| 10/10/1990 | EP0391034A2 Support device |
| 09/20/1990 | WO1990010928A1 Process for influencing a noise source of a submarine and submarine |
| 09/20/1990 | WO1990010927A1 Process and device for reducing the noise emission of submerged submarines |
| 09/20/1990 | WO1990010926A1 Process and device for reducing the noise emission of submerged submarines |
| 09/20/1990 | WO1990010575A2 Process for operating submerged submarines and submarine |
| 09/20/1990 | WO1990010573A1 Underwater vehicle with passive optical observation system |
| 09/20/1990 | DE3908573A1 Method of operating submerged submarines, and a submarine |
| 09/19/1990 | EP0388337A1 Steam machine with external combustion and process for operating same with atmospheric air or in a closed space |
| 09/11/1990 | CA1273849A1 Variable depth sonar line handling system |
| 09/05/1990 | EP0385827A1 Propulsion device for a submarine vehicle |
| 08/28/1990 | US4951660 Diver's rescue apparatus |
| 08/26/1990 | WO1990009920A1 Apparatus for and method of managing liquid under pressure |
| 08/14/1990 | US4947782 Remotely operated vehicle |
| 08/07/1990 | US4945851 Submersible inflatable craft |
| 08/03/1990 | WO1990008693A1 Recirculatory system |
| 07/03/1990 | US4938165 Mounting of transducer in a boat hull |
| 07/03/1990 | US4938164 Self-propelled manned submersible vehicles for under-sea excursions |
| 06/27/1990 | EP0375118A2 Improvements in or relating to couplings for reducing the transfer of vibration forces |
| 06/27/1990 | EP0375085A1 Control and actuating mechanism for X-shaped rudders |
| 06/13/1990 | EP0372265A1 Extensible information device for a submarine |
| 06/12/1990 | US4932350 Submersible |
| 05/31/1990 | DE3841700C1 Exhaust system for internal combustion engines, especially in submarine craft |
| 05/29/1990 | US4928614 Submersible observation vessel |
| 05/16/1990 | EP0368472A1 A fastening member and fastening arrangement for seismic equipment |
| 05/08/1990 | US4922848 Underwater rescue device |
| 05/03/1990 | DE3836583A1 Cooling device for dissipating waste heat from a submarine to the sea water |
| 04/24/1990 | US4919066 Hydrodynamic configuration for underwater vehicle |
| 04/18/1990 | EP0364341A1 Telescopic periscope mast structure |
| 03/28/1990 | EP0169219B1 Remotely operated underwater vehicle and method of operating same |
| 02/27/1990 | CA1266204A1 Propeller system with electronically controlled cyclic and collective blade pitch |
| 02/21/1990 | CN1039766A Submersible |
| 01/18/1990 | DE3823215A1 Vortex suction container for producing lift for an aircraft or water craft |
| 01/17/1990 | CN1006457B View port for an underwater vehicle |
| 01/10/1990 | EP0350332A1 An underwater vehicle |
| 01/09/1990 | US4891939 System for the cryogenic processing and storage of combustion products of heat engines |
| 12/26/1989 | US4889066 Submersible vehicle |
| 12/14/1989 | DE3819361A1 Electrical system |
| 10/18/1989 | EP0223127B1 Life-saving device for divers |
| 09/26/1989 | US4869191 Float launch system |
| 09/26/1989 | CA1261207A1 Manned autonomous underwater vessel |
| 09/20/1989 | CN2044574U Submersible fishing vessel |
| 09/12/1989 | US4864959 Aquascooter |
| 08/29/1989 | US4860487 Multi-cycle sea bed traversing system |
| 08/08/1989 | US4854260 Configuration of discharge tubes, ejection tubes or receptacles in submarines |
| 08/02/1989 | EP0325775A1 Flow protection device for a submarine information equipment |
| 08/01/1989 | US4852508 Underwater window for vessels |
| 07/20/1989 | DE3800071A1 Infrared camouflage of extendable (retractable) devices for submarines |
| 07/18/1989 | US4848886 Submarine periscope systems |
| 06/27/1989 | US4841896 Beach submarine |
| 06/21/1989 | EP0321372A1 Self-propelled, manned and submersible vehicle for underwater travel |
| 05/24/1989 | EP0316651A1 Two-level sea-land creeping vehicle and method of operating same |
| 05/18/1989 | DE3737342A1 Submarine with at least one device for information exchange |
| 05/16/1989 | US4831599 Float for use in seismic surveys of the sea bed |
| 05/10/1989 | EP0314977A2 Device for producing energy |
| 04/25/1989 | US4823722 Semi-submersible marine craft |
| 04/25/1989 | CA1253190A1 Actuator usable in a fluid under high pressure |
| 04/04/1989 | US4818578 Laminated reinforced plastic with overlapping layers of fabric plies embedded in thermoplastic resin; fastening sonar dome to submarine bulkheads |
| 03/08/1989 | EP0305763A1 Energy-delivering installation |
| 03/07/1989 | US4809630 View port for an underwater vehicle |
| 02/21/1989 | US4805549 Device for subsea operations |
| 02/08/1989 | EP0302508A1 Energy-delivering installation |
| 01/26/1989 | WO1989000527A1 Improved underwater remotely controlled vehicle |