| Patents for B63B 43 - Improving safety of vessels, e.g. damage control, not otherwise provided for (2,521) |
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| 11/03/1993 | EP0568501A1 Inflatable hull protecting device for boats |
| 10/26/1993 | US5255624 Sailboat mast floatation device |
| 10/19/1993 | US5253602 Appliance for plugging a hole in a boat hull |
| 09/21/1993 | US5245941 Apparatus for sealing a damaged vessel |
| 09/16/1993 | DE4207532A1 Controller for electrical boat drive, e.g. for hired boats, - controls motor power according to manual controller and echo sounder and indicates battery charge |
| 08/04/1993 | EP0553109A1 Apparatus and method of sealing ruptured tanks. |
| 07/28/1993 | EP0552505A1 Panel for closing an opening and clip system for use as a part thereof |
| 06/16/1993 | CN2136197Y Automatic alarm sensor for ship leakage |
| 06/15/1993 | US5218919 Method and device for the installation of double hull protection |
| 06/01/1993 | US5215025 Boat |
| 05/26/1993 | EP0401321B1 A vehicle ferry having enhanced flooding survival capability combined with unimpeded flow of ro-ro traffic |
| 05/25/1993 | US5213127 Vacuum valve for use in an emergency system for reducing the risk of escape from injuries under the waterline of tankers |
| 04/15/1993 | DE4134013A1 Device for repairing hull damage on boat - comprises lance enveloped by balloon and balloon inflatable through holes in lance to envelop opening |
| 04/06/1993 | US5199454 Valve structure |
| 04/06/1993 | US5199369 Water tight door |
| 03/23/1993 | US5195446 For the transport of liquid lading |
| 03/18/1993 | WO1993004910A1 Boat hull |
| 02/04/1993 | WO1993001968A1 A bulkhead door arrangement |
| 12/29/1992 | US5174233 Self adjusting boat outrigger float |
| 12/29/1992 | CA1311968C Icebreaker |
| 12/23/1992 | CN2125546U Ship water leakage alarm |
| 11/24/1992 | US5165356 Magnetic ship hull patch |
| 11/17/1992 | US5163377 Sailing yacht |
| 11/17/1992 | US5163204 Marine door movement control apparatus |
| 11/05/1992 | DE4114356A1 Floating body such as boat or platforms - has collapsible buoyancy body inflated by gas in emergency |
| 10/29/1992 | WO1992018378A1 Apparatus for patching a hole in the hull of a moving ship |
| 10/20/1992 | US5156109 System to reduce spillage of oil due to rupture of ship's tank |
| 10/13/1992 | CA2046383A1 Snowmobile flotation system |
| 10/08/1992 | DE4111013A1 Buoyancy system for ship's hull - consists of chambers filled with cork amidships to enable hull to float even when flooded |
| 09/29/1992 | US5150662 Snowmobile flotation system |
| 09/16/1992 | CN2115969U Electronic autoalarm for water leakage of ship |
| 09/02/1992 | CN1064059A Method for resisting and slowing sinking of overwater floating body |
| 09/01/1992 | US5143012 Inflatable temporary boat hull seal assembly |
| 08/26/1992 | CN2113942U Lined side of naval vessel against capsizing or sinking |
| 08/20/1992 | DE4104574A1 Leak sealing for tanker hull - is performed by flexible sheet held onto hull by magnets around edge |
| 08/11/1992 | US5136960 Method and apparatus for reducing the draft and increasing the load bearing area and stability of marine drilling barges |
| 08/04/1992 | US5134953 Portable outrigger assembly |
| 07/22/1992 | CN1017514B Draught variable ship |
| 07/14/1992 | US5129345 System and method for automatically steering a boat along a path to maintain a selected depth |
| 06/24/1992 | CN2108055U Leak-stopping device for vessel |
| 06/17/1992 | DE4039904A1 Floating ISO standard container - has side storage area for buoyancy aids which emerge when container enters water |
| 06/03/1992 | EP0487527A1 Emergency floatation device for watercraft |
| 05/12/1992 | US5111765 Hull construction for small watercraft |
| 04/29/1992 | CN1060628A Apparatus and method of sealing ruptured tanks |
| 04/01/1992 | CN1059875A Method for making high-strength marine air bag shaped by lapping |
| 03/25/1992 | EP0232359B1 Sailing boat |
| 03/25/1992 | CA2026019A1 Patch for ruptured fluid tanks |
| 03/19/1992 | WO1992004231A1 Compensation installation for the list of a ship |
| 03/17/1992 | US5095935 Patch for ruptured fluid tanks |
| 03/12/1992 | WO1992004574A1 Apparatus and method of sealing ruptured tanks |
| 03/12/1992 | CA2091247A1 Apparatus and method of sealing ruptured tanks |
| 03/11/1992 | CN2098461U Back-stopping leak stopper |
| 03/03/1992 | US5092259 Inert gas control in a system to reduce spillage of oil due to rupture of ship's tank |
| 01/29/1992 | CN2094503U Folding steel rod blocking plate |
| 01/15/1992 | EP0466382A1 Stabilized boat |
| 01/14/1992 | US5080034 Sea-pressured air pocket ship/barge design |
| 01/11/1992 | CA2046123A1 Boat |
| 12/25/1991 | CN1057205A Health-keeping ball |
| 12/18/1991 | CN2090803U Magnetic equipment for stopping leak |
| 12/17/1991 | US5072684 Means for preventing leaks from a liquid-bulk carrier cargo ship |
| 12/12/1991 | WO1991019126A1 Vacuum valve for use in an emergency system for reducing the risk of escape from injuries under the waterline of tankers |
| 12/04/1991 | EP0459253A1 A ship, in particular a ro-ro ship |
| 11/28/1991 | WO1991017915A1 Flotation apparatus |
| 11/06/1991 | EP0455289A1 Valve structure |
| 10/29/1991 | US5060591 Sailboat |
| 10/22/1991 | US5058519 Emergency damage patch and method for boats or the like |
| 10/17/1991 | WO1991015396A1 Sealing of leaks in a tank |
| 10/12/1991 | CA2040214A1 Magnetic array bag system apparatus for the emergency sealing of a metallic panel-like member |
| 08/20/1991 | US5041030 Automatic switch for trolling motor depth finder |
| 08/20/1991 | US5041029 Automatic trolling arrangement |
| 08/13/1991 | US5038701 Method and means for covering openings in hulls of damaged ships |
| 08/13/1991 | US5038695 Icebreaker |
| 08/06/1991 | US5036786 Patch system for ship hulls |
| 08/06/1991 | US5036785 Lightning protection installation on a boat |
| 07/09/1991 | CA1285827C Life step stabilizer |
| 07/03/1991 | CN1052637A Fan shell type leak-blinding unit |
| 07/02/1991 | US5027735 Kasipagan sail boat |
| 06/25/1991 | US5025972 Apparatus for patching a hole in the hull of a moving ship |
| 06/04/1991 | US5021765 Security system having detector means sensitive to the proximity of at least one detected object |
| 05/21/1991 | US5018113 Damage location system for a tanker ship |
| 05/16/1991 | WO1991006467A1 A sailing boat |
| 04/23/1991 | US5009180 Hull hole closure for an oil tanker |
| 04/23/1991 | US5009179 Oil spill control |
| 04/16/1991 | US5007362 For a boat such as a kayak, sailboat and canoe |
| 03/26/1991 | US5002000 Automatic leveler for boat lifts |
| 03/05/1991 | US4996936 Emergency floatation device for watercraft |
| 02/21/1991 | DE4005858C1 Bilge water control system in ship's hold - consists of sloping restrainer decks to minimise slopping and reduce free surface area of bilge water |
| 01/24/1991 | WO1991000822A1 Dynamic underpressure control system to reduce spillage of oil from a ship's tank |
| 01/22/1991 | US4986202 Light dropkeel boat with sliding means to control the transverse balance thereof |
| 01/10/1991 | DE3920478A1 Sealing of leaks below water line in ship's hull - by means of inflatable cushion held in place by net |
| 01/08/1991 | US4982682 Hull construction for small watercraft |
| 12/25/1990 | US4979458 Offset stanchion for a fishing boat seat |
| 12/18/1990 | US4977844 For small, single hulled water craft |
| 12/12/1990 | EP0401321A1 A vehicle ferry having enhanced flooding survival capability combined with unimpeded flow of ro-ro traffic. |
| 12/12/1990 | CN2067250U Leak stopping caldron for vessels |
| 11/27/1990 | US4972788 Aquatic vehicle |
| 11/12/1990 | WO1990013473A1 Emergency floatation device for watercraft |
| 11/12/1990 | CA2056366A1 Emergency floatation device for watercraft |
| 11/07/1990 | CN2065178U Automatic controller for auto alarming and dewatering of ship leakage |
| 10/03/1990 | CN2063109U Self-suction cloth |