| Patents for B63C 7 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects (1,112) |
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| 06/09/1992 | US5120099 Submersible grappling device |
| 04/02/1992 | WO1992005998A1 A device especially for the recovery of hydrocarbons or other chemicals from tanks of a wrecked ship |
| 04/02/1992 | CA2093127A1 Device especially for the recovery of hydrocarbons or other chemicals from tanks of a wrecked ship |
| 03/24/1992 | US5097788 Method and device for fishing up an immersed body |
| 03/10/1992 | US5094181 Emergency float system for water craft |
| 01/28/1992 | US5083953 Transferrable and reusable marker and retrieval system for water transport objects subject to possible sinking |
| 01/21/1992 | US5082318 Girth hitching mechanism |
| 01/14/1992 | CA2046958A1 Transferrable and reuseable marker and retrieval system for water transport objects subject to possible sinking |
| 12/18/1991 | EP0461506A1 Underwater mobile type inspection system |
| 10/17/1991 | WO1991015397A1 Device for depositing and recovering a heavy load on the ocean floor |
| 10/17/1991 | CA2056394A1 Device for depositing and recovering a heavy load on the ocean floor |
| 10/15/1991 | US5056453 Apparatus for self-righting a rigid inflatable boat |
| 10/01/1991 | CA1289819C Self-righting monohull vessel |
| 08/07/1991 | EP0260323B1 Suspended construction and preparing method thereof |
| 04/17/1991 | CN1012352B Fast cooling system of burning gas |
| 04/03/1991 | EP0419484A1 Improvements relating to dredgers. |
| 02/28/1991 | DE3927598A1 Catamaran easily corrected if capsized - is fitted with inflatable balloons and water ballast tanks |
| 02/21/1991 | WO1991001914A1 Device for righting a capsized catamaran |
| 02/20/1991 | CN1011683B Fast speed buoyancy anti-sink device for submarines |
| 01/22/1991 | US4986203 Method for raising any object lying on the bottom of the sea, a river or basin, and apparatus used thereby |
| 11/13/1990 | USRE33434 Rapidly installable mooring and cargo system |
| 10/27/1990 | CA2015664A1 Method and device for picking up a submerged body |
| 07/12/1990 | DE3900572A1 Method for salvaging underwater bodies, and a device for carrying it out |
| 05/08/1990 | US4922848 Underwater rescue device |
| 04/24/1990 | US4919067 Self-righting monohull vessel |
| 03/06/1990 | US4905620 Watertight mast for sailing vessel |
| 11/15/1989 | CN1037116A Water life rescue |
| 11/07/1989 | US4878447 Multihull vessels |
| 08/31/1989 | DE3805298A1 System for righting a capsized catamaran |
| 08/24/1989 | WO1989007691A1 Improvements relating to dredgers |
| 08/16/1989 | EP0328198A1 Improvements relating to dredgers |
| 08/02/1989 | CN1034339A In-cabin airbag method for raishing sunken ship |
| 06/13/1989 | US4839873 Subsea acoustic relocation system |
| 06/06/1989 | US4836120 Self-righting waterborne craft |
| 05/09/1989 | CA1253748A1 Life net to rescue men from sea or water on board a ship or upon a pier |
| 04/25/1989 | US4823417 Holding down an inflation of an air filled product |
| 04/06/1989 | WO1989002847A1 Mast |
| 02/28/1989 | US4808133 Marker buoy with self retracting line |
| 02/22/1989 | CN2032987U Anti-sinking unit for ships |
| 01/24/1989 | US4799826 Method and apparatus for cutting a submerged object into pieces |
| 12/27/1988 | US4793275 Emergency use in unloading cargo of disabled ships |
| 11/15/1988 | US4784626 Sunken vessel locator buoy |
| 11/15/1988 | US4784075 Watercraft with righting aid |
| 11/09/1988 | EP0289630A1 Water craft |
| 11/03/1988 | DE3713595A1 Raising sunken ships and other objects |
| 10/20/1988 | WO1988007896A1 Disposal and recycling of scrap metal from sea and other vessels |
| 10/18/1988 | US4778422 Buoy for storing rope connected to an underwater article |
| 08/23/1988 | US4765269 Rightable catamaran |
| 08/04/1988 | DE3701945A1 Rightable two-masted catamaran |
| 06/22/1988 | EP0271933A1 Method for raising any object lying on the bottom of the sea, a river or basin, and apparatus used thereby |
| 05/05/1988 | WO1988003110A1 Surface and underwater handling device |
| 03/23/1988 | EP0260323A1 Suspended construction and preparing method thereof |
| 03/15/1988 | US4731036 Indicator means |
| 03/08/1988 | US4729503 Method and equipment for underwater attachment |
| 02/11/1988 | WO1988000882A1 Expansible means |
| 02/09/1988 | US4723497 Sailcraft uprighting device and method for its use |
| 01/26/1988 | US4721486 Automatic marker buoy release mechanism |
| 12/15/1987 | US4713031 Submerged bobber release device for fishing rods and the like |
| 11/19/1987 | EP0245269A1 Method and equipment for underwater attachment |
| 11/04/1987 | EP0190214B1 Indicator means |
| 10/21/1987 | EP0241472A1 Fast self righting catamaran |
| 10/20/1987 | US4700650 Boat with apparatus for returning to upright condition |
| 10/14/1987 | CN87200238U Annular frame net without handle |
| 09/01/1987 | US4690087 System and method for raising sunken vessels |
| 08/13/1987 | WO1987004605A1 Suspended construction and preparing method thereof |
| 08/04/1987 | US4683829 Small self-righting water craft |
| 07/01/1987 | CN85109386A Fast cooling system of burning gas |
| 06/23/1987 | US4674429 Underwater buoyancy apparatus |
| 05/12/1987 | US4664638 Blackwater lifesaver |
| 04/28/1987 | CA1221076A1 Automatic flotation release system |
| 04/23/1987 | WO1987002320A1 Fast self righting catamaran |
| 04/21/1987 | US4658745 Method of handling a submerged object |
| 04/01/1987 | CN85106861A Fast speed buoyancy anti-sink device for submarines |
| 03/24/1987 | US4652246 Life net to rescue men from sea or water on board a ship or upon a pier |
| 03/24/1987 | US4651666 Multi-hull sailboat righter |
| 03/18/1987 | EP0214134A1 Subsea acoustic relocation system |
| 03/17/1987 | US4650639 Method and apparatus for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor |
| 03/17/1987 | US4650638 Method for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor |
| 03/17/1987 | CA1219124A1 Fishing bobber |
| 12/30/1986 | EP0206932A1 Under-water load-handling device |
| 09/09/1986 | US4610212 Fast self righting catamaran |
| 08/28/1986 | WO1986004873A1 Subsea acoustic relocation system |
| 08/13/1986 | EP0190214A1 Indicator means. |
| 07/30/1986 | EP0188924A1 Oceanographic method for lifting loads collected at a big depth, especially polymetallic nodules |
| 07/22/1986 | US4601126 Buoyant marking device for fishermen |
| 07/17/1986 | WO1986004006A1 Method and equipment for underwater attachment |
| 06/24/1986 | US4596493 Apparatus and method for the performance of work on submerged articles |
| 03/25/1986 | US4578041 Water actuated inflatable float device |
| 03/04/1986 | US4573425 For transferring hydrocarbons |
| 02/13/1986 | WO1986000861A1 Indicator means |
| 02/11/1986 | US4569303 Ship fluid cargo salvage diaper |
| 01/07/1986 | US4562785 Self-stable trimaran |
| 09/10/1985 | US4540370 Retriever for submerged objects |
| 08/14/1985 | EP0151109A1 Buoyant garment |
| 08/13/1985 | US4535430 Subsea acoustic relocation system |
| 07/24/1985 | EP0149315A2 Buoy for storing rope connected to an underwater article |
| 06/19/1985 | EP0145688A2 Device on ships for lowering buoy stations or corresponding other apparatuses or apparatus assemblies overboard into the sea and for lifting them on board |
| 05/21/1985 | CA1187343A1 Self-righting multihull boat |
| 05/14/1985 | US4516518 Catamaran righting accessory |
| 05/14/1985 | US4516516 Ballast apparatus for righting a capsized boat |