| 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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| 05/14/1985 | US4516349 Fishing bobber |
| 04/16/1985 | US4510878 Volume-adjustable divers lift bag |
| 04/16/1985 | CA1185499A1 Breathing tube |
| 03/26/1985 | US4507093 Buoy device for automatic raising of submerged objects |
| 03/20/1985 | EP0134737A1 Submarine suction cup of the low pressure by suction type |
| 02/26/1985 | US4501563 Marker buoy |
| 02/19/1985 | US4499840 Method for the salvage of a sunken vessel |
| 02/14/1985 | WO1985000571A1 Buoyant garment |
| 02/12/1985 | US4498408 Lifting body for diving |
| 01/29/1985 | CA1181635A1 Buoy for marking the position of an underwater article such as a lobster pot |
| 01/23/1985 | EP0073214B1 Self stable trimaran |
| 09/11/1984 | US4470335 Method and apparatus for remote attachment |
| 08/07/1984 | US4464129 Safety marker for divers |
| 07/03/1984 | US4457248 Multihull vessels |
| 05/15/1984 | US4448569 Lift sling emplacement device |
| 05/01/1984 | US4445719 Release mechanism for a cylindrical object recovery device |
| 04/24/1984 | US4444425 Cylindrical object recovery device |
| 04/10/1984 | US4441445 Self-righting multihull boat |
| 03/06/1984 | US4435132 Submersible pumping system |
| 02/28/1984 | US4433638 Automatic flotation release system |
| 02/28/1984 | US4433633 Controlled gas generator system |
| 08/02/1983 | US4396095 Lift line tension limiter |
| 08/02/1983 | CA1151281A1 Acoustic beacons |
| 06/07/1983 | US4386919 Float for loading hoses |
| 04/28/1983 | WO1983001425A1 Automatic flotation release system |
| 03/09/1983 | EP0073214A1 Self stable trimaran. |
| 02/09/1983 | EP0071536A1 Device for eliminating the leaks through the partitions surrounding the core of a P.W.R. |
| 11/09/1982 | US4357890 Stabilized, variable buoyancy apparatus |
| 09/02/1982 | WO1982002865A1 Self stable trimaran |
| 08/24/1982 | US4345462 Vessel location system |
| 07/13/1982 | US4338874 Inert gas supply and salvage system for oil tankers |
| 07/06/1982 | CA1127014A1 Underwater lifting balloon |
| 06/02/1982 | EP0052837A2 Self righting multiple-hull boat |
| 04/29/1982 | WO1982001451A1 Vessel location system |
| 03/16/1982 | US4319372 Submarine rescue cable reel |
| 02/16/1982 | US4315651 Coupling for quick attachment to plate-like structure |
| 12/01/1981 | US4303036 Damage control craft |
| 12/01/1981 | CA1113311A1 Water-immerged expandable cartridge |
| 10/21/1981 | EP0038218A1 Float for loading hoses |
| 09/22/1981 | US4290159 Sportsman's retriever |
| 09/08/1981 | US4287903 Method and apparatus for recovering products of low pumpability |
| 09/01/1981 | US4286539 Dual buoyancy device |
| 08/19/1981 | EP0033952A2 Auxiliary means for righting canted sails of wind-surf boards |
| 08/18/1981 | US4284110 Apparatus for transfer of fluent materials from one container to another |
| 08/04/1981 | US4281427 Warning and signalling device, especially for maritime purposes |
| 07/21/1981 | US4279405 Device for making emergency exits in a crushed transport means |
| 07/07/1981 | US4276846 Recovery apparatus |
| 06/09/1981 | US4271552 Torpedo floatation device |
| 02/25/1981 | EP0024267A1 Underwater acoustic beacon |
| 02/03/1981 | CA1094826A1 Method and apparatus for recuperating hard to pump materials |
| 12/24/1980 | WO1980002825A1 A method of reducing the escape of oil from oil tankers which have gone aground |
| 11/11/1980 | US4232417 Marine mammal retrieval apparatus |
| 10/14/1980 | US4227474 Catamaran equipped with re-righting device |
| 09/30/1980 | US4224707 Floating apparatus for the remote marking of the position of bodies fallen in water |
| 09/23/1980 | US4223621 Multihull sailing vessel having means for righting capsized vessels incorporated therein |
| 09/17/1980 | EP0015833A1 Floating reel |
| 07/08/1980 | US4211502 Breakaway pin release |
| 06/17/1980 | US4208172 Marina siphon device |
| 04/22/1980 | US4199006 Pneumatic valve |
| 04/16/1980 | EP0009986A1 Support structure for use in water |
| 04/01/1980 | US4195653 Method and apparatus for recovering products of low pumpability |
| 04/01/1980 | US4195380 Life saving apparatus for vessels |
| 01/29/1980 | US4185345 Neg'ator spring powered underwater launching device |
| 01/08/1980 | US4182257 Rescue equipment for submarine crafts |
| 01/01/1980 | CA1068992A Life saving apparatus for vessels |
| 07/03/1979 | US4159692 Method of submerging floatation bodies and apparatus for performing same |
| 06/26/1979 | US4159006 Multihull vessels |
| 05/15/1979 | US4154185 Submersible apparatus for evacuating seawater from suction-type work-handling gripper members |
| 05/08/1979 | US4153537 Cryothermal manipulation of petroleum |
| 05/08/1979 | US4153001 Manned submarine |
| 05/01/1979 | US4152690 Flexible transducer mount |
| 03/06/1979 | CA1049859A1 Sunken object position indicator |
| 12/12/1978 | US4129431 Cryothermal manipulation of petroleum |
| 11/28/1978 | US4126907 Spar float recovery capsule |
| 11/07/1978 | US4123813 Buoyant float and flag assembly |
| 10/03/1978 | US4117795 Multi-hull self rescuing system |
| 09/19/1978 | US4114552 Cryothermal manipulation of petroleum |
| 07/25/1978 | US4102296 Marine safety signal device |
| 07/18/1978 | US4100871 Rescue apparatus for submerged vessels |
| 03/28/1978 | US4080677 Portable diver distress signalling device |
| 03/14/1978 | US4078509 Salvage apparatus and method |
| 10/25/1977 | US4055632 Controllable gas generator |
| 10/25/1977 | US4055136 Multi-cell gas-filled bag and method for producing the same |
| 10/04/1977 | US4051797 Steel boat hull salvaging assembly |
| 09/13/1977 | US4047390 Sea tent |
| 08/09/1977 | US4040135 Emergency locator system for locating and retrieving sunken vessels |
| 07/12/1977 | US4034568 Underwater clamping mechanism |
| 07/05/1977 | US4033002 Life saving equipment for vessels |
| 06/28/1977 | US4031840 Process and apparatus for recovering sunken wrecks |
| 06/28/1977 | US4031707 Cryothermal manipulation of petroleum spills on water |
| 06/14/1977 | US4029233 Sonobuoy retainer plate |
| 04/19/1977 | US4017924 Life saving equipment for vessels |
| 04/05/1977 | US4015873 Retriever |
| 04/05/1977 | US4015810 Automatic float-off storage bracket |
| 03/29/1977 | US4014478 Security winch for divers |
| 02/15/1977 | US4007816 Portable salvage lift apparatus |
| 01/25/1977 | US4004310 Marker buoy recovery aid |
| 01/04/1977 | US4000533 Anchoring device for buoyant life saving equipment |
| 12/21/1976 | US3997930 Retrieving device |
| 11/09/1976 | US3990379 Dredging apparatus |