Matches 1 - 22 out of 22


Match Document Document Title
US20140000502 FLOATING OFFSHORE PLATFORM AND CENTRALIZED OPEN KEEL PLATE  
The disclosure reduces vertical movement of a floating offshore platform by including a centralized open keel plate coupled to the hull that allows water below and above the keel plate. As the...
US20130104792 Rescue Boat  
A multi-purpose boat has a two angle V hull with a rounded fore-aft profile and slightly convex deck. The hull has steeply angled edge portions and shallowly angled center portions. The edge...
US20140373769 WATERCRAFT HULL  
A hull for a watercraft has a port side, a starboard side, and a keel disposed between the port side and the starboard side. Each of the port and starboard sides has a first portion having a first...
US20150101420 Marine Seismic Surveying with Towed Components Below Water's Surface  
A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source (e.g., air gun array) of a seismic system deployed...
US20070000422 Finkeel for boats with foldable leeboards  
The invention relates to a finkeel (2) for boats, having of a fixed part (3) attached to the hull (1) and a movable part comprising two leeboards (4, 5) that can be orientated in an independent...
US20090301376 PLANING PONTOON TUBE  
An improved water tight, chambered planing pontoon assembly incorporates a hollow shell with a cross sectional shape in the form of an upper portion and lower portion. The upper portion of the...
US20130074755 ANCHOR AND KEEL APPARATUS  
The present invention is directed to an apparatus that allows a boat to be anchored and keeled. The invention has a member that can rotate about a first axis from a stowed position to an anchored...
US20060027156 Flexible keel and fiting therefor  
Water craft or amphibious vehicle includes a hull 12 fitted with at least one elongate longitudinal keel; which may be extruded from rubber. The keel has at least one mounting formation, to engage...
US20050172878 Double flexible keel  
Water Craft or amphibious vehicle, includes a hull fitted with at least one elongate longitudinal keel; which may be extruded from natural or synthetic rubber. The keel has base, and at least two...
US20130074754 ANCHOR AND KEEL APPARATUS FOR HULL WITH CHANNEL  
The present invention is directed to an apparatus that allows a boat to be anchored and keeled. The invention has a member that can rotate about a first axis from a stowed position to an anchored...
US20090283024 Battery Keel System and Method  
A battery keel system for providing electrical power and ballast to a water vessel wherein the system comprises a keel including a cavity, at least one electrochemical cell and at least one...
US20100303634 FLUID DYNAMIC SECTION HAVING ESCAPELET OPENINGS FOR REDUCING INDUCED AND INTERFERENCE DRAG, AND ENERGIZING STAGNANT FLOW  
A fluid dynamic section provides one or more fixed size escapelets through a foil body to reduce the induced and interference drag caused by trailing vortices and similar wake turbulence. The...
US20090158983 Yacht and Ballast Assembly Therefor  
A yacht having an adjustable ballast assembly comprising a ballast, an elongated hollow ballast guide mounted to the hull of the watercraft to extend transversely of the hull, the ballast being...
US20120186507 TOWABLE BUOY  
A towable buoy having a tow point for connection to a tow cable of a vessel, wherein the position of the tow point is translationally moveable with respect to the remainder of the buoy. Also, a...
US20150210371 AQUATIC APPARATUS FOR WAVE PROPULSION  
It is an object of the subject matter to disclose an aquatic apparatus comprising, a fin connected to a bottom of the an aquatic device; a flap connected to the fin, wherein the flap is connected...
US20120103240 WATERBORNE CRAFT AND FIN INCORPORATING AIR CONDUITS FOR DRAG REDUCTION  
The invention comprises a waterborne craft having a hull, board or base, and a fin, keel, centreboard or the like. One or more air conduits exit the hull, board or base at or adjacent at least one...
US20170029075 HIGH STABILITY LOW DRAG BOAT HULL KEEL HAVING INVERTED FOIL CONFIGURATION  
A modified V-hull boat has a keel having a horizontal cross-sectional profile of an inverted foil. The leading edge of the keel is a sharp point and the front region of the keel tapers outward...
US20160355236 TAIL FIN ASSEMBLY FOR INFLATABLE PRODUCT  
A tail fin assembly for an inflatable product is provided. The tail fin assembly includes a pedestal coupled to a surface of the inflatable product, and a sliding groove positioned on the...
US20160194055 HIGH STABILITY LOW DRAG BOAT HULL  
A modified V-hull boat has a keel starting at about 20% from the bow ending 75 to 80% aft of the bow and has an inverted airfoil shape. A flat pad blends in aft of the keel assisting planning and...
US20160101836 Floating Platform with an Articulating Keel Skirt  
The present disclosure provides in at least one embodiment a rotatable keel skirt assembly on a rectangular-shaped keel pontoon. The rectangular-shaped keel pontoon reduces the maximum hull width...
US20150298776 Leash Retaining Fin  
A fin shaped and sized to connect to a leash so that the leash is securely stored during transport or storage. In an embodiment, a leash may be wrapped about a board and a portion thereof...
US20110061579 DYNAMIC FIN COMPRISING COUPLED FIN SECTIONS  
A dynamic or aerodynamic fin comprising at least two parallel arranged fin sections. At least one fin section comprises a rotational axis for installing the fin section by a rotation shaft. An end...

Matches 1 - 22 out of 22