| Patents for B63B 13 - Conduits for emptying or ballasting; Self-bailing equipment; Scuppers (934) |
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| 03/11/1997 | US5609760 Oil filtering system for bilge water of marine vessels |
| 03/04/1997 | US5607333 Cooling water inlet and method of fabricating a cooling water inlet member |
| 11/19/1996 | US5576582 Automatic pump control |
| 10/24/1996 | WO1996033091A1 Water jet powered watercraft |
| 06/12/1996 | EP0716012A1 Submersible boat |
| 06/04/1996 | US5522710 Flowthrough manifold assembly for a linear pump |
| 05/28/1996 | US5520133 Water jet powered watercraft |
| 05/14/1996 | US5516312 For stopping the engine of a boat from aspirating hull water |
| 05/07/1996 | US5513591 Underwater body and intake scoop |
| 03/20/1996 | CN1118996A An apparatus for drainage of oil and water from a surface, especially from the deck of a tanker |
| 02/08/1996 | DE19526563A1 Sailing boat with mast which can be hinged back |
| 02/07/1996 | EP0588786B1 Inflatable housing structure |
| 01/18/1996 | WO1996001207A1 Submersible boat |
| 01/18/1996 | CA2171002A1 Submersible boat |
| 12/07/1995 | WO1995032892A1 A bottom well and sea water piping system for vessels |
| 12/06/1995 | EP0684919A1 Cooling water inlet and method of fabricating a cooling water inlet member |
| 12/05/1995 | US5472169 Shock absorbing device |
| 11/29/1995 | CN1112498A Structure of water discharging part of ship |
| 11/22/1995 | EP0682553A1 An apparatus for drainage of oil and water from a surface, especially from the deck of a tanker |
| 10/24/1995 | US5460111 Boat transom drain hole plug |
| 09/26/1995 | US5452677 Hull valve assembly |
| 07/18/1995 | US5433163 Pump out adaptor |
| 07/04/1995 | US5429062 Rapid bailing device |
| 05/30/1995 | US5419271 Bilge pump control system for personal watercraft |
| 02/14/1995 | US5388542 Water-borne ship and method of operation thereof |
| 01/31/1995 | US5385108 For the bilge of a power boat |
| 11/22/1994 | US5366397 Water jet propulsion unit |
| 11/09/1994 | EP0623084A1 Process and arrangement for draining a liquid residue from the bottom of a tank |
| 09/13/1994 | US5346369 Bilge pump actuated by wave motion |
| 09/02/1994 | CA2090633A1 Apparatus for steering, propulsing, braking & draining a ship |
| 09/01/1994 | WO1994019237A1 Cooling water inlet and method of fabricating a cooling water inlet member |
| 08/30/1994 | US5341760 Tarpaulin drainage apparatus |
| 08/18/1994 | WO1994017890A1 An apparatus for drainage of oil and water from a surface, especially from the deck of a tanker |
| 08/02/1994 | US5334063 Cooling system for marine propulsion engine |
| 06/01/1994 | CN1087323A Method and apparatus for purifying of milky oil sewage in ship cabin |
| 05/26/1994 | WO1994011241A1 Stripping gutter for liquid cargo vessels |
| 04/26/1994 | US5305561 Floating structure |
| 03/30/1994 | EP0588786A1 Inflatable housing structure. |
| 12/07/1993 | US5267522 Stripping gutter for liquid cargo vessels |
| 11/30/1993 | US5265551 Emergency bilge pump for small boats |
| 11/16/1993 | US5261680 Watercraft transport assembly |
| 09/14/1993 | US5243924 Amphibious multihull boat |
| 08/19/1993 | CA2089452A1 Watercraft transport assembly |
| 08/05/1993 | WO1993014969A1 Process and arrangement for draining a liquid residue from the bottom of a tank |
| 05/18/1993 | US5211363 Bilge pump bracket |
| 01/26/1993 | US5182556 Drain plug absence indicator |
| 01/12/1993 | CA1312503C Life raft |
| 01/05/1993 | US5176097 Self bailing boat |
| 11/17/1992 | US5163778 Combination paddle, hook and pump and method therefor |
| 11/10/1992 | US5162793 Drain plug absence indicator |
| 09/01/1992 | US5143014 Tarpaulin drainage system |
| 07/12/1992 | CA2059072A1 Tarpaulin drainage system |
| 06/23/1992 | US5123369 Marine valve structure |
| 05/12/1992 | US5111767 Boat hulls |
| 04/09/1992 | DE4104389A1 Bilge pump operating on water jet pump principle - with jet of water being generated by forward motion of ship |
| 01/28/1992 | US5083521 Easy open bailer attachment |
| 01/15/1992 | EP0465908A1 Water drawing and guiding device for jet-propelled gliding boats |
| 01/11/1992 | CA2044349A1 Water drawing and guiding device for jet-propelled gliding boats |
| 12/26/1991 | WO1991019640A1 Valves with remote actuation |
| 12/24/1991 | US5074816 Multipurpose boat bucket |
| 10/16/1991 | EP0340224B1 Bilge drain valve |
| 09/17/1991 | US5048556 Transom-mounted valve with remote actuator |
| 09/10/1991 | US5047753 Drain plug position indicator apparatus |
| 09/03/1991 | US5044295 Apparatus for removing bilge water out of a boat |
| 05/28/1991 | US5018470 Linear actuated valve with remote actuation |
| 02/05/1991 | US4989533 Support strut for hydrofoil craft |
| 01/26/1991 | WO1991001250A1 Inflatable housing structure |
| 01/26/1991 | CA2064711A1 Inflatable housing structure |
| 01/22/1991 | US4986206 Bilge drain valve |
| 01/15/1991 | US4984528 Venting and drain arrangement for small watercraft |
| 09/04/1990 | US4953490 Wave operated boat pump |
| 06/12/1990 | US4932348 Remote control valve |
| 05/01/1990 | CA1268380A1 Self-bailing inflatable boat |
| 04/03/1990 | US4913075 Pumpless bilge water draining system and method |
| 03/28/1990 | EP0360051A1 Jet propulsion small boat |
| 01/02/1990 | US4890569 Life raft |
| 09/05/1989 | US4862822 Drip guard for boats |
| 07/25/1989 | US4850908 Drawing away device of bilge water for water jet propulsion |
| 06/27/1989 | US4843376 Boat drain plug warning apparatus |
| 12/13/1988 | US4790784 Life raft |
| 12/06/1988 | US4789367 Marine engine flushing and emergency bilge pumping assembly |
| 12/06/1988 | US4789307 Floating pump assembly |
| 11/29/1988 | US4787328 Drawing away device of bilge water for water jet propulsion |
| 11/22/1988 | US4786239 Pumping system selectably operable as a fire pump or a hydraulic pump |
| 10/25/1988 | US4779704 Draining device for muffler of small planing boat |
| 06/30/1988 | WO1988004629A1 Bilge drain valve |
| 05/17/1988 | US4744326 Self-bailing inflatable boat |
| 03/08/1988 | US4729393 Flushing adaptor and method of manufacture |
| 12/29/1987 | US4715309 Device for the handling of liquids |
| 10/06/1987 | US4697535 Marine safety system |
| 09/15/1987 | US4693202 Freeze resistant bottom well |
| 08/04/1987 | US4683829 Small self-righting water craft |
| 07/21/1987 | US4681057 Pumping system for ships |
| 06/23/1987 | CA1223290A2 Cross water ski pole |
| 05/26/1987 | US4667616 Boat drain |
| 03/10/1987 | US4648342 Arrangement in vessels |
| 01/08/1987 | DE3523102A1 Method and apparatus for emptying collecting wells, in particular bilge wells |
| 12/23/1986 | US4630648 Deck drain by-pass plug |
| 06/17/1986 | US4595372 Water ejector and injector attachment for boats |
| 11/05/1985 | US4550751 Ballast exhaust pipe closing appliance for a ship |