Patents for B63B 41 - Drop keels, e.g. centre boards or side boards (421) |
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05/07/2009 | CA2703251A1 Impact absorbing drop keel |
05/06/2009 | EP2055628A2 Hull provided with telescopic keel |
03/19/2009 | WO2009034595A1 Device and method for moving a drop keel of a boat |
03/11/2009 | EP1472133B1 Watercraft |
03/10/2009 | US7500440 Roll motion damping device for a floating body |
02/12/2009 | DE202008011172U1 Surfboot Surf boat |
02/11/2009 | CA2596252A1 Recreational floatation device with manual rotational propulsion system |
02/05/2009 | WO2009015650A1 Sailing yacht having a heeling hull body part and having a non-heeling hull body part, in particular combinable sailing-yacht and motorboat modular system |
02/05/2009 | CA2694348A1 Sailing yacht having a heeling hull body part and having a non-heeling hull body part, in particular combinable sailing-yacht and motorboat modular system |
01/28/2009 | CN100455483C Sliding wing submerging and surfacing boat |
12/10/2008 | EP2000402A1 Keel device for a water vehicle |
11/13/2008 | WO2008135807A1 Sail pleasure craft |
10/22/2008 | EP1981754A2 Guiding appendage for sailboats and similar floating vessels |
10/16/2008 | DE102007036584B3 Sail boat e.g. sail yacht, has covering body with part supports mast-keel combination linked with another part that does not support combination at fore-aft axis around rotation angle, where latter part is horizontally adjusted |
10/08/2008 | EP1976748A1 Apparatus for attachment of a keel, and also an arrangement and a sailing boat comprising the apparatus |
09/18/2008 | WO2008112513A1 Apparatus and method to optimize sailing efficiency |
08/28/2008 | US20080207070 Hydrodynamic Fin |
08/28/2008 | DE102007008277A1 Movable or extendable bracing for water craft, partly accommodates lateral tractive forces of kite pulling system |
08/14/2008 | WO2008026947A3 Aquatic stabilising system |
07/24/2008 | WO2008087000A1 Compact swivel drive for a canting keel |
07/03/2008 | DE102007003738B3 Watercraft e.g. sailing boat, has two axial ship bottom axles linearly anchored and extending into piston, where axles are rotary and unmovable in body, and are provided with outer thread meshing with one inner thread of subjectable piston |
06/26/2008 | DE102006058683A1 Device for dynamic stabilization of sailing boat, has keel which is attached to one or multiple wing plates that are rotated on left and on right of keel separately from each other into different directions |
03/11/2008 | CA2374025C Slidable and impact absorbing keel |
03/06/2008 | WO2008026013A1 Specialised hydrodynamic structure of hulls for sea-vessels |
02/27/2008 | EP1890931A1 Fin or keel with flexible portion for surfboards, sailboards or the like |
02/21/2008 | WO2007090090A3 Roll motion damping device for a floating body |
02/07/2008 | DE102006036465A1 Movable hydrodynamic keel for e.g. sailing boat, has luff-sided wing counteracting offending forces of ship by its self-weight in locked position that is displaced from center of gravity axis of ship |
10/18/2007 | WO2007042977A3 Guiding appendage for sailboats and similar floating vessels |
08/09/2007 | WO2007090090A2 Roll motion damping device for a floating body |
08/02/2007 | US20070175374 Roll motion damping device for a floating body |
07/26/2007 | WO2007084061A1 Apparatus for attachment of a keel, and also an arrangement and a sailing boat comprising the apparatus |
07/17/2007 | US7243607 Wind driven sailing craft |
05/23/2007 | EP1786664A1 Hydrodynamic fin |
04/19/2007 | WO2007042977A2 Guiding appendage for sailboats and similar floating vessels |
03/29/2007 | DE202007000654U1 Segelboot Sailboat |
01/11/2007 | WO2007004944A1 Device and system for canting a keel arrangement about a longitudinal axis of a sailing vessel |
01/10/2007 | EP1741624A1 Device and system for canting a keel arrangement about a longitudinal axis of a sailing vessel |
01/03/2007 | EP1739004A1 Finkeel for boats with foldable leeboards |
12/28/2006 | DE202006014875U1 Mast angling device for sailing boat has mast connected to hull by turning pin so that forestay, backstay and mainsail steering ropes can turn at related points |
12/21/2006 | WO2006135256A1 Fin or keel with flexible portion for surfboards, sailboards or the like |
11/30/2006 | DE102005022015A1 Fin for water sporting device, has wider surface or circular support in both transverse and longitudinal sections of fin, where fin is seamlessly attached at both ends of board in driving direction and includes edge that is not sharp |
11/15/2006 | EP1720762A1 Cbtf sailinig yacht main engine drive system |
10/31/2006 | US7128010 CBTF sailing yacht appendage retraction system |
10/05/2006 | DE202006011384U1 Hydrofoil sailing yacht has forward triangular keel with movable ballast under main mast and rear keel with elevator pitch control |
09/19/2006 | US7108571 Method and apparatus for attaching a fin to a small watercraft |
05/11/2006 | US20060096512 Sailing method and system |
04/06/2006 | DE10134778B4 Segelboot mit stark eingezogenen Wasserlinien Sailboat with strongly retracted water lines |
02/23/2006 | WO2005039965A3 Manual hydrofoil and spar truss assembly for wind powered watercraft |
02/23/2006 | DE102004038941A1 Trunk side slope keels for sailing boats to increase stability of boat in case of adverse weather and winds placed at waterline symmetrically at bottom structure on both sides of boat |
02/09/2006 | US20060027156 Flexible keel and fiting therefor |
01/26/2006 | WO2006009439A1 Hydrodynamic fin |
12/22/2005 | WO2005120945A1 Sailing method and system |
12/21/2005 | EP1180082B1 Vessel with a slidable and impact absorbing keel |
11/10/2005 | WO2005105566A1 Articulated device for connecting skegs to rigid surfboards |
10/06/2005 | WO2005092701A1 Cbtf sailinig yacht main engine drive system |
10/04/2005 | US6951180 CBTF sailing yacht main engine drive system |
09/15/2005 | WO2005085060A1 Improvements in/or relating to ballast systems and related means of or for a yacht |
08/23/2005 | US6932018 Manual hydrofoil and spar truss assembly for wind powered watercraft |
08/11/2005 | US20050172878 Double flexible keel |
07/07/2005 | US20050145156 Watercraft |
07/07/2005 | US20050145152 Cbtf sailing yacht main engine drive system |
05/12/2005 | US20050098078 Stabilizer, flotation and mast mount mechanisms and methods |
05/06/2005 | WO2005039965A2 Manual hydrofoil and spar truss assembly for wind powered watercraft |
05/03/2005 | US6886481 Pivotable bulb mounted foil for sailboats |
04/26/2005 | US6883450 Boat hull design |
01/06/2005 | US20050000400 Boat hull design |
12/29/2004 | EP1490258A2 Waterborne vessel for sport and leisure and boat hull intended for a waterborne vessel |
12/23/2004 | DE202004016169U1 Inflatable flat floating body in airbed form has on longitudinal and transverse sides fastenings for shrouds and stays, in forward region has opening for fin or keel, and in rear region has small tubular form opening for rudder post |
11/18/2004 | WO2004098987A1 Keel |
11/03/2004 | EP1472133A1 Watercraft |
10/26/2004 | US6807920 Personal watercraft having adjustable angle sponsons |
10/21/2004 | US20040206287 CBTF sailing yacht appendage retraction system |
10/07/2004 | US20040194683 Finkeel for boats, with movable lee-boards |
10/06/2004 | EP1464572A1 Finkeel for boats, with movable lee-boards |
09/28/2004 | US6796259 Sailboat rotatable keel appendage |
07/07/2004 | EP1435325A1 Retractable hull appendages for the trim control of planing craft |
05/27/2004 | WO2004043775A1 Flexible keel and fitting therefor |
05/27/2004 | WO2004043774A1 Double flexible keel |
05/13/2004 | US20040089217 Manual hydrofoil and spar truss assembly for wind powered watercraft |
03/31/2004 | EP1401704A2 Telescoping spar platform and method of using same |
02/24/2004 | US6694907 Sailboat hull and method for reducing drag caused by leeway |
01/29/2004 | WO2004009435A1 Sailing ship, keel and sailing method |
01/02/2004 | EP1375337A2 Adjustable ballast for sailboats |
11/27/2003 | WO2003080424A3 Waterborne vessel for sport and leisure and boat hull intended for a waterborne vessel |
11/05/2003 | EP1358103A1 Adjustable keel for sailboats |
10/02/2003 | WO2003080424A2 Waterborne vessel for sport and leisure and boat hull intended for a waterborne vessel |
08/07/2003 | WO2003064247A1 Watercraft |
07/15/2003 | US6591772 Slidable and impact absorbing keel |
07/08/2003 | US6588352 WAY as acronym for wave avoidance yacht |
06/12/2003 | US20030106477 Sailboat rotatable keel appendage |
05/22/2003 | WO2002098725A3 Telescoping spar platform and method of using same |
05/20/2003 | US6564741 Telescoping spar platform and method of using same |
05/02/2003 | EP1306300A1 A keel with a mobile element for compensating the list of a sailboat |
04/09/2003 | EP1300330A1 Ship with tunnel means and arrangement for constituting a tunnel |
04/01/2003 | US6539889 Frame, inflatable skin and watercraft formed from same |
12/19/2002 | US20020189523 Frame, inflatable skin and watercraft formed from same |
12/12/2002 | WO2002098725A2 Telescoping spar platform and method of using same |
12/12/2002 | CA2450218A1 Telescoping spar platform and method of using same |
12/05/2002 | US20020178989 Telescoping spar platform and method of using same |
10/24/2002 | US20020152941 WAY as acronym for wave avoidance yacht |