Patents for B63B 41 - Drop keels, e.g. centre boards or side boards (421)
05/2009
05/07/2009CA2703251A1 Impact absorbing drop keel
05/06/2009EP2055628A2 Hull provided with telescopic keel
03/2009
03/19/2009WO2009034595A1 Device and method for moving a drop keel of a boat
03/11/2009EP1472133B1 Watercraft
03/10/2009US7500440 Roll motion damping device for a floating body
02/2009
02/12/2009DE202008011172U1 Surfboot Surf boat
02/11/2009CA2596252A1 Recreational floatation device with manual rotational propulsion system
02/05/2009WO2009015650A1 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
02/05/2009CA2694348A1 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
01/2009
01/28/2009CN100455483C Sliding wing submerging and surfacing boat
12/2008
12/10/2008EP2000402A1 Keel device for a water vehicle
11/2008
11/13/2008WO2008135807A1 Sail pleasure craft
10/2008
10/22/2008EP1981754A2 Guiding appendage for sailboats and similar floating vessels
10/16/2008DE102007036584B3 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
10/08/2008EP1976748A1 Apparatus for attachment of a keel, and also an arrangement and a sailing boat comprising the apparatus
09/2008
09/18/2008WO2008112513A1 Apparatus and method to optimize sailing efficiency
08/2008
08/28/2008US20080207070 Hydrodynamic Fin
08/28/2008DE102007008277A1 Movable or extendable bracing for water craft, partly accommodates lateral tractive forces of kite pulling system
08/14/2008WO2008026947A3 Aquatic stabilising system
07/2008
07/24/2008WO2008087000A1 Compact swivel drive for a canting keel
07/03/2008DE102007003738B3 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
06/2008
06/26/2008DE102006058683A1 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
03/2008
03/11/2008CA2374025C Slidable and impact absorbing keel
03/06/2008WO2008026013A1 Specialised hydrodynamic structure of hulls for sea-vessels
02/2008
02/27/2008EP1890931A1 Fin or keel with flexible portion for surfboards, sailboards or the like
02/21/2008WO2007090090A3 Roll motion damping device for a floating body
02/07/2008DE102006036465A1 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
10/2007
10/18/2007WO2007042977A3 Guiding appendage for sailboats and similar floating vessels
08/2007
08/09/2007WO2007090090A2 Roll motion damping device for a floating body
08/02/2007US20070175374 Roll motion damping device for a floating body
07/2007
07/26/2007WO2007084061A1 Apparatus for attachment of a keel, and also an arrangement and a sailing boat comprising the apparatus
07/17/2007US7243607 Wind driven sailing craft
05/2007
05/23/2007EP1786664A1 Hydrodynamic fin
04/2007
04/19/2007WO2007042977A2 Guiding appendage for sailboats and similar floating vessels
03/2007
03/29/2007DE202007000654U1 Segelboot Sailboat
01/2007
01/11/2007WO2007004944A1 Device and system for canting a keel arrangement about a longitudinal axis of a sailing vessel
01/10/2007EP1741624A1 Device and system for canting a keel arrangement about a longitudinal axis of a sailing vessel
01/03/2007EP1739004A1 Finkeel for boats with foldable leeboards
12/2006
12/28/2006DE202006014875U1 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
12/21/2006WO2006135256A1 Fin or keel with flexible portion for surfboards, sailboards or the like
11/2006
11/30/2006DE102005022015A1 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
11/15/2006EP1720762A1 Cbtf sailinig yacht main engine drive system
10/2006
10/31/2006US7128010 CBTF sailing yacht appendage retraction system
10/05/2006DE202006011384U1 Hydrofoil sailing yacht has forward triangular keel with movable ballast under main mast and rear keel with elevator pitch control
09/2006
09/19/2006US7108571 Method and apparatus for attaching a fin to a small watercraft
05/2006
05/11/2006US20060096512 Sailing method and system
04/2006
04/06/2006DE10134778B4 Segelboot mit stark eingezogenen Wasserlinien Sailboat with strongly retracted water lines
02/2006
02/23/2006WO2005039965A3 Manual hydrofoil and spar truss assembly for wind powered watercraft
02/23/2006DE102004038941A1 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
02/09/2006US20060027156 Flexible keel and fiting therefor
01/2006
01/26/2006WO2006009439A1 Hydrodynamic fin
12/2005
12/22/2005WO2005120945A1 Sailing method and system
12/21/2005EP1180082B1 Vessel with a slidable and impact absorbing keel
11/2005
11/10/2005WO2005105566A1 Articulated device for connecting skegs to rigid surfboards
10/2005
10/06/2005WO2005092701A1 Cbtf sailinig yacht main engine drive system
10/04/2005US6951180 CBTF sailing yacht main engine drive system
09/2005
09/15/2005WO2005085060A1 Improvements in/or relating to ballast systems and related means of or for a yacht
08/2005
08/23/2005US6932018 Manual hydrofoil and spar truss assembly for wind powered watercraft
08/11/2005US20050172878 Double flexible keel
07/2005
07/07/2005US20050145156 Watercraft
07/07/2005US20050145152 Cbtf sailing yacht main engine drive system
05/2005
05/12/2005US20050098078 Stabilizer, flotation and mast mount mechanisms and methods
05/06/2005WO2005039965A2 Manual hydrofoil and spar truss assembly for wind powered watercraft
05/03/2005US6886481 Pivotable bulb mounted foil for sailboats
04/2005
04/26/2005US6883450 Boat hull design
01/2005
01/06/2005US20050000400 Boat hull design
12/2004
12/29/2004EP1490258A2 Waterborne vessel for sport and leisure and boat hull intended for a waterborne vessel
12/23/2004DE202004016169U1 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
11/2004
11/18/2004WO2004098987A1 Keel
11/03/2004EP1472133A1 Watercraft
10/2004
10/26/2004US6807920 Personal watercraft having adjustable angle sponsons
10/21/2004US20040206287 CBTF sailing yacht appendage retraction system
10/07/2004US20040194683 Finkeel for boats, with movable lee-boards
10/06/2004EP1464572A1 Finkeel for boats, with movable lee-boards
09/2004
09/28/2004US6796259 Sailboat rotatable keel appendage
07/2004
07/07/2004EP1435325A1 Retractable hull appendages for the trim control of planing craft
05/2004
05/27/2004WO2004043775A1 Flexible keel and fitting therefor
05/27/2004WO2004043774A1 Double flexible keel
05/13/2004US20040089217 Manual hydrofoil and spar truss assembly for wind powered watercraft
03/2004
03/31/2004EP1401704A2 Telescoping spar platform and method of using same
02/2004
02/24/2004US6694907 Sailboat hull and method for reducing drag caused by leeway
01/2004
01/29/2004WO2004009435A1 Sailing ship, keel and sailing method
01/02/2004EP1375337A2 Adjustable ballast for sailboats
11/2003
11/27/2003WO2003080424A3 Waterborne vessel for sport and leisure and boat hull intended for a waterborne vessel
11/05/2003EP1358103A1 Adjustable keel for sailboats
10/2003
10/02/2003WO2003080424A2 Waterborne vessel for sport and leisure and boat hull intended for a waterborne vessel
08/2003
08/07/2003WO2003064247A1 Watercraft
07/2003
07/15/2003US6591772 Slidable and impact absorbing keel
07/08/2003US6588352 WAY as acronym for wave avoidance yacht
06/2003
06/12/2003US20030106477 Sailboat rotatable keel appendage
05/2003
05/22/2003WO2002098725A3 Telescoping spar platform and method of using same
05/20/2003US6564741 Telescoping spar platform and method of using same
05/02/2003EP1306300A1 A keel with a mobile element for compensating the list of a sailboat
04/2003
04/09/2003EP1300330A1 Ship with tunnel means and arrangement for constituting a tunnel
04/01/2003US6539889 Frame, inflatable skin and watercraft formed from same
12/2002
12/19/2002US20020189523 Frame, inflatable skin and watercraft formed from same
12/12/2002WO2002098725A2 Telescoping spar platform and method of using same
12/12/2002CA2450218A1 Telescoping spar platform and method of using same
12/05/2002US20020178989 Telescoping spar platform and method of using same
10/2002
10/24/2002US20020152941 WAY as acronym for wave avoidance yacht
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