| Patents for B63B 43 - Improving safety of vessels, e.g. damage control, not otherwise provided for (2,521) |
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| 09/12/1990 | CN2061927U Automatic alarm for leak of ship cabin |
| 09/04/1990 | US4953491 Temporary, reusable, movable hull patch for a damaged oil tanker |
| 08/28/1990 | US4951590 Umbrella-like apparatus for closing an unwanted aperture in a substantially panel-like member in an emergency |
| 08/09/1990 | WO1990008691A1 Buoyancy and stability apparatus |
| 07/31/1990 | US4944240 Hull for water craft |
| 07/24/1990 | US4942839 Stabilized and foldable safety inflatable boat |
| 07/11/1990 | CN1008718B Ship having stern propeller and method of operating the ship |
| 06/26/1990 | US4936236 Symmetrical sailboat with moment balancing rig |
| 05/31/1990 | WO1990005660A1 A vehicle ferry having enhanced flooding survival capability combined with unimpeded flow of ro-ro traffic |
| 04/10/1990 | US4915052 Method for restoring and maintaining buoyancy and apparatus for preventing loss of buoyancy for floatplanes |
| 04/04/1990 | EP0361149A1 Jet propulsion small boat |
| 04/04/1990 | CN1040960A Draught variable ship |
| 03/28/1990 | CN2055125U Boat-borne sink-proof device |
| 01/25/1990 | DE3824378A1 Capsize-proof motor boat, mainly for sports purposes |
| 01/17/1990 | CN2051214U Safe ship with hidden and changable wing |
| 01/09/1990 | US4892219 Plugging device |
| 12/27/1989 | EP0348055A1 Vehicle ferry |
| 12/19/1989 | US4887541 Deployable flotation device |
| 11/15/1989 | EP0341906A2 A security system |
| 11/15/1989 | CN1037115A Design for anti-overturn ship body |
| 10/24/1989 | US4875428 Motorized outrigger drive |
| 10/24/1989 | US4875426 Float attachment for watercrafts |
| 10/24/1989 | CA1262445A1 Marine vessel for lifting and supporting loads |
| 10/04/1989 | EP0335747A2 Umbrella-like apparatus for closing unwanted aperture in a substantially panel-like member in an emergency |
| 09/28/1989 | DE3809158A1 Watercraft |
| 09/27/1989 | EP0334805A2 Water tight light door for shipsrooms |
| 09/19/1989 | US4867094 Flotation system |
| 09/12/1989 | US4864961 Auxiliary flotation system |
| 08/23/1989 | EP0329404A1 Aeration equipment |
| 08/23/1989 | CN2043217U Quick loophole-stopping umbrella |
| 08/23/1989 | CN2043216U Magnetic rubber leak-stopping cover in time of urgent need |
| 08/02/1989 | EP0325621A1 Self-sealing plugging device |
| 07/04/1989 | US4843993 Ship having a stern screw and a method of operating the ship |
| 07/04/1989 | US4843992 Improving safety of a floating object |
| 06/13/1989 | US4838196 Kayak safety sponsons |
| 04/27/1989 | DE3733993A1 Watercraft |
| 04/25/1989 | US4823722 Semi-submersible marine craft |
| 04/12/1989 | CN2035734U Multi-purpose floater for fishing boat |
| 04/04/1989 | US4817555 Boat flotation collar |
| 03/23/1989 | WO1989002390A1 Variable draft boat |
| 02/28/1989 | CA1250491A1 Semi-submersible drilling unit with cylindrical ring floats |
| 02/21/1989 | CA1250188A1 Wide based semi-submersible vessel |
| 02/15/1989 | CN1031058A Ship brake |
| 02/07/1989 | US4802435 Air bags |
| 02/07/1989 | US4802306 Automatic, gravity-powered closure device |
| 01/24/1989 | US4799331 Automatic, gravity-powered closure device |
| 01/19/1989 | DE3722259A1 Keel for sailing craft |
| 01/05/1989 | DE3721146A1 Wasserdichte schiebetuer mit aufblasbarer, dh aktivierbarer dichtung Sliding watertight inflatable, ie activatable seal |
| 01/03/1989 | US4795298 Marine transportation of bulk cargo |
| 12/01/1988 | DE3717300A1 Float for yachts |
| 11/22/1988 | US4785754 Device for avoiding capsizing of catamarans |
| 11/10/1988 | DE3713837A1 Bulkhead for ships |
| 11/03/1988 | WO1988008389A1 Self-sealing plugging device |
| 10/27/1988 | DE3810546A1 Rescue device for watercraft |
| 10/12/1988 | EP0183754B1 Mechanical piloting method of lateral deformation of the structure of a catamaran |
| 09/28/1988 | EP0283595A1 Device for avoiding capsizing of catamarans |
| 09/21/1988 | CN87107200A Ice-breaker |
| 09/14/1988 | EP0281653A1 Ice breaking ship |
| 09/06/1988 | US4769773 Vessel wave heading control apparatus |
| 08/02/1988 | US4760813 Device for eliminating disturbing heeling of ships at loading and unloading |
| 07/26/1988 | US4759307 Tanker ballast |
| 05/18/1988 | CN87209903U Alarming unit of water level in cabins of ship |
| 03/23/1988 | CN87105881A Ship having stern and method of operating the ship |
| 03/16/1988 | EP0259680A1 Ship with a propeller at the stern and method to propel the ship |
| 03/10/1988 | DE3628765A1 Sailing ship with stabilising unit |
| 03/03/1988 | DE3627925A1 Sailing vessel hull with steering fins and ballast trimming vanes |
| 03/02/1988 | EP0258008A1 Flotation system for a boat and process for making same |
| 12/29/1987 | US4715309 Device for the handling of liquids |
| 12/15/1987 | US4712502 For vessels such as an oil tanker having a ruptured opening in a wall |
| 12/08/1987 | CA1230013A1 Semi-submersible offshore vessel |
| 12/03/1987 | WO1987007231A1 Motor vessel |
| 11/04/1987 | EP0244368A1 Open-ended longitudinally situated stability tanks for boats |
| 10/20/1987 | US4700650 Boat with apparatus for returning to upright condition |
| 09/22/1987 | US4694768 Emergency air system for partially submerged vessels |
| 09/17/1987 | DE3608369A1 Bulkhead doors on ships |
| 09/09/1987 | EP0235491A1 Device for searching and clearing away strange objects and obstacles near the bottom of navigable waters |
| 09/09/1987 | EP0177550B1 A device for eliminating disturbing heeling of ships at loading and unloading |
| 09/01/1987 | US4690091 Securing arrangement so executed as to be tripped on actuation |
| 08/26/1987 | EP0233260A1 Aquatic craft |
| 08/19/1987 | EP0232359A1 Sailing boat. |
| 08/04/1987 | US4683829 Small self-righting water craft |
| 07/14/1987 | US4679522 Float device for small size boat |
| 07/09/1987 | DE3600327A1 Holder for mounting a sound transmitting/receiving transducer |
| 06/30/1987 | CA1223420A1 Self-contained exothermic adhesive applicator and process |
| 06/23/1987 | CA1223290A2 Cross water ski pole |
| 05/27/1987 | DE3541577A1 High-speed hydrofoil boat with submersible buoyancy bodies |
| 05/19/1987 | US4665653 Ship's door or hatch arrangement |
| 05/05/1987 | US4662302 Semi-submersible offshore vessel |
| 04/15/1987 | EP0217899A1 Repair and/or patching element |
| 04/01/1987 | EP0124531B1 Grounding protective device for boats |
| 03/12/1987 | DE3530618A1 Equipment and method for preventing the sinking of ships |
| 02/26/1987 | WO1987001087A1 Aquatic craft |
| 02/12/1987 | WO1987000812A1 Sailing boat |
| 01/22/1987 | DE3525060A1 Motor sailer with an automatic sail and heeling system, in particular for self-sufficient removal of propulsion and supply energy from wind and sun power |
| 01/13/1987 | US4635582 Apparatus for preventing a capsized boat from sinking |
| 12/02/1986 | US4625674 Gunnel flotation pipe and method of installation |
| 11/25/1986 | CA1214480A1 Emergency seal |
| 11/18/1986 | US4623966 Collision avoidance apparatus |
| 10/28/1986 | CA1213178A1 Sailboards |
| 10/23/1986 | WO1986006039A1 Repair and/or patching element |