| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 114162000 | Rudders | 34 |
| 20080229993 | Spade Rudder - Disclosed herein is a spade rudder, which is intended to relieve bending moment generated by a rudder, and to suppress vibrations generated from the rudder due to a propeller, in the case of a large ship. The spade rudder has a rudder stock for rotating a rudder, and a vertical bearing provided on a side surface of the rudder stock. The spade rudder further includes a stock gudgeon provided on a side surface of the vertical bearing, a horizontal bearing provided under the stock gudgeon, and a horizontal bearing housing provided at the junction of the rudder stock and the horizontal bearing, which are at right angles to each other, and dispersing a bending moment acting on the rudder. | 09-25-2008 |
| 20080289556 | RUDDER FOR MARINE VEHICLES | 11-27-2008 |
| 20080314303 | Rudder for ships | 12-25-2008 |
| 20090056610 | Rudder for ships - In a rudder for ships composed of a rudder blade with a rudder post ( | 03-05-2009 |
| 20090120343 | PROPULSION AND STEERING ARRANGEMENT FOR A SHIP - The invention relates to a steering and propulsion arrangement for a ship. The inventive steering and propulsion arrangement comprises a screw propeller | 05-14-2009 |
| 20090126613 | Rudder for ships - A rudder for ships comprising a rudder blade which has a leading edge and a trailing edge. The rudder blade has two superimposed rudder blade sections, the leading edge sections and/or the trailing edge sections of which are offset such that the one leading edge section and/or the one trailing edge section is offset port or starboard and the other leading edge section and/or the other trailing edge section is offset starboard or port and that the one leading edge and/or trailing edge section has a port-sided offset surface which projects over the other leading edge section and/or the other trailing edge section and the other leading edge section and/or trailing edge section has a starboard-sided offset surface which projects over the one leading edge section and/or trailing edge section, a flow body configured in such a manner that its dimensions are adapted to the dimensions of the offset surfaces, which covers the offset surfaces and which is configured in the area of each offset surface. | 05-21-2009 |
| 20090126614 | High performance rudder for ships - A high performance full spade rudder for ships includes a rudder blade, a rudder trunk and a rudder post. The rudder blade widens from the leading edge to a central area which constitutes the widest point of the rudder profile. The rudder blade profile tapers from the central area to a narrow rear area and widens again from the rear area to the trailing edge. A bearing is placed in an inner longitudinal bore of the rudder trunk for bearing the rudder post, wherein the bearing penetrates with its free end into a recess, taper or the like in the rudder blade. No bearing is provided between the rudder blade and the rudder trunk. The bearing for the rudder post is placed in the rudder trunk in the area of the free end of the rudder trunk. | 05-21-2009 |
| 20100037809 | Rudder arrangement for ships having higher speeds comprising a cavitation-reducing twisted, in particular balanced rudder - The rudder arrangement for ships comprises a twisted balanced rudder blade having a slender profile and having a low profile thickness and comprising a propeller facing the rudder blade and a rudder pipe located in the upper region of the rudder blade with rudder post located therein, wherein the rudder blade comprises two superposed rudder blade sections having different heights whose front nose strips facing the propeller are offset in such a manner that one nose strip is offset to port or starboard and the other nose strip is offset to starboard or port, wherein the two side wall surfaces of the rudder blade converge into an end strip facing away from the propeller and have different arc profiles. | 02-18-2010 |
| 20100083888 | METHOD AND APPARATUS FOR DAMPENING RUDDER VIBRATION - An apparatus is provided for dampening rudder vibration of a motorboat. The apparatus may include a tiller assembly rotatable about a pivot point adjacent the stern of the motorboat, the tiller assembly including a tiller arm extending in a first direction from the pivot point and configured to be rotated about the pivot point by a user, and/or a damper mounted on the tiller assembly extending in a second direction from the pivot point. The damper may be configured to rotate integrally with the tiller arm, and the damper may include a mass that is sufficient to dampen vibrations of the tiller. A method of using the apparatus for dampening rudder vibration is also disclosed. | 04-08-2010 |
| 20100251951 | RUDDER STOCK - In order to achieve improved properties in a rudder stock for rudders for water vehicles, at least the lower end area of the rudder stock to be inserted into the rudder and to be mounted in the rudder has a non-metallic material. | 10-07-2010 |
| 20110023764 | LINKAGE DEVICE FOR FLAP RUDDERS FOR WATERCRAFT - In a linkage device for flap rudders for watercraft, in particular ships, a first bearing housing includes a sliding piston and a first sliding bearing, and a second bearing housing includes a linkage pin and optionally a second sliding bearing. The first and the second bearing housings and/or the sliding piston and the linkage pin and/or optionally the first and the second bearings each have substantially the same diameter and/or substantially the same width and height. | 02-03-2011 |
| 20110132247 | BOAT TILLER PRESENTMENT - An apparatus and associated method relating to a tiller for steering a boat. The tiller has an elongated body proximally connected to a steering mechanism portion of the boat and cantilevered therefrom, terminating at a distal end that is ergonomically responsive to a sailor's manual steering of the boat. The tiller also has a navigational device mounted to the body and thereby operably presented to the sailor at a desired viewing angle to facilitate the sailor reading an output display of the navigational device while steering the boat. | 06-09-2011 |
| 20110271890 | RUDDER ASSEMBLY FOR AN INFLATION BOAT - A rudder assembly for a boat has a securing base, a rudder board and at least one engaging bolt. The rudder board is mounted detachably on the securing base and has a bottom and two rudder hooks. The rudder hooks are formed respectively on two ends of the bottom and are connected securely to the securing base with the at least one engaging bolt. The at least one engaging bolt is mounted detachably on the securing base and engages respectively at least one of the rudder hooks on the rudder board. Accordingly, a rudder board can be conveniently detached from the securing base even while an inflating boat is at an inflated condition. | 11-10-2011 |
| 20130276688 | AUTOMATIC STEERING DEVICE AND AUTOMATIC STEERING METHOD - There is provided an automatic steering device with which an optimal duty ratio for achieving an optimal rudder turning speed at a cruising speed can be found simply and accurately. An automatic steering device | 10-24-2013 |
| 20140041568 | Drift Control System - A drift control system including at least one drift control device for use with a small boat to effect the direction and speed of drift of the small boat against the forces of wind and current comprising a rudder-like member adjustably coupled to the small boat by a mounting assembly including a first mounting bracket coupled to the small boat and a second mounting bracket rotatably coupled to the first mounting bracket by a coupling member and attached to the rudder-like member, and an adjustable locking assembly to selectively secure the rudder-like member in one of a plurality of positions relative to the small boat to effect the direction and speed of drift of the small boat against the forces of wind and current. | 02-13-2014 |
| 20160083066 | Drift Control System - A drift control system including at least one drift control device for use with a small boat to effect the direction and speed of drift of the small boat against the forces of wind and current comprising a rudder-like member adjustably coupled to the small boat by a mounting assembly including a first mounting bracket coupled to the small boat and a second mounting bracket rotatably coupled to the first mounting bracket by a coupling member and attached to the rudder-like member, and an adjustable locking assembly to selectively secure the rudder-like member in one of a plurality of positions relative to the small boat to effect the direction and speed of drift of the small boat against the forces of wind and current. | 03-24-2016 |
| 20160176493 | Rudder | 06-23-2016 |
| 20160251070 | Trimmable Rudder | 09-01-2016 |
| 114163000 | Multiple | 7 |
| 20120174849 | RUDDER AND SHIP-LIKE OBJECT HAVING SUCH A RUDDER - The invention relates to a rudder for maneuvering a ship-like object, the rudder comprising a main rudder blade having an upstream end and a downstream end, the rudder being rotatably mountable to the ship-like object around a rotation axis that generally extends in a vertical plane. The main rudder blade extends generally upright. The rudder comprises two generally upright extending auxiliary rudder blades connected to the main rudder blade by transverse plates. At least one of the transverse plates is oriented generally obliquely upwards towards a downstream end. The transverse plates thereby follow the orientation of the flow of water below the upwards receding aft body of the ship. | 07-12-2012 |
| 20120285355 | MULTI-FUNCTION AUXILIARY RUDDER SYSTEM FOR JET PROPELLED WATERCRAFTS - A rudder system that uses a dual purpose thrust operated actuator. The actuator is selectively positioned for use in an up or constant down mode. While in the up mode, the actuator uses the force of the jet pump to raise the rudders out of the water at speed, and with the actuator set in the down mode, the invention uses the force of the jet pump water to hold the rudder in the water. | 11-15-2012 |
| 20120285356 | MULTI-FUNCTION AUXILIARY RUDDER SYSTEM FOR JET PROPELLED WATERCRAFTS - A rudder system that uses a dual purpose thrust operated actuator. The actuator is selectively positioned for use in an up or constant down mode. While in the up mode, the actuator uses the force of the jet pump to raise the rudders out of the water at speed, and with the actuator set in the down mode, the invention uses the force of the jet pump water to hold the rudder in the water. In an alternative embodiment, the invention includes anti-oscillating veins attached to the thrust operated actuator. In another alternative embodiment, the travel of the actuator is limited by configuring it to come into contact with a rudder stabilizer bar. Another embodiment includes providing adjustable fin positions relative to the side force stabilizer. | 11-15-2012 |
| 20130160690 | Dual-Rudder Mechanism for Performance Sailboats - A dual-rudder control mechanism suitable for use in the sailboats ( | 06-27-2013 |
| 20140060412 | Trimmable Rudder - A trimmable rudder system for a marine vessel such as a planing power boat, the system including a pair of rudder assemblies, each of which includes a rudder blade movably coupled to the hull by way of a ball-and-socket joint. Each rudder assembly includes a rudder shaft that extends from the rudder blade through the ball-and-socket joint and can be rotated for rotating the rudder blade to steer the power boat. Each rudder shaft may be operably coupled to a pair of actuators configured to control trim and camber positions of the rudder blade so that the pair of rudder blades can collectively achieve a desired hull trim change, including listing control and planing control of the power boat. Steering position, trim position, and camber position of the rudder blades may be simultaneously changed. | 03-06-2014 |
| 20140182501 | PROPULSION ARRANGEMENT IN A SHIP - An exemplary propulsion arrangement is disclosed which includes two propulsion units situated side by side at the stern of a ship at opposite sides of a center line of the hull of the ship. Each propulsion unit can include a hollow support structure attached to the hull, a chamber attached to the support structure, an electric motor within the chamber, a propeller connected through a shaft to the electric motor, and a pivotably supported rudder at the rear end of the chamber. Each propulsion unit can be mounted in a toe-out position forming a horizontal tilt angle (β) of 0.5 to 6 degrees to the center line (CL) of the hull. | 07-03-2014 |
| 20150090170 | Dual Rudder Watercraft Steering Control System for Enhanced Maneuverability - A steering control system for ski boat with an inboard motor and a single, non-steerable propeller. The control system augments the traditional aft rudder with a forward rudder (located immediately in front of the propeller), and controls one or both rudders to improve steering when backing and in low forward speed conditions. The control system may control only the forward rudder, while the pre-existing controls operate the aft rudder, or optionally controls both rudders. The rudder angle control algorithm calculates proportional rudder angles based on helm and throttle settings, or optimal rudder angles based on more sensed conditions including the operator's helm and throttle controls, the ski boat's direction and speed, propeller RPM and thrust direction, and each rudder's angle. An electronic controller sends control signals to the rudders to achieve the optimal rudder angles. | 04-02-2015 |
| 114165000 | Hanging and shipping | 4 |
| 20100288176 | Method and Apparatus for Attaching a Ship Rudder for Rudder Shaft, a Rudder Shaft, and a Shiprudder - The present invention concerns an apparatus and method for attaching a ship rudder to a rudder shaft. The rudder shaft includes a cylindrical portion and an expanded flange part with a cylindrical portion, followed by a conical portion. The rudder includes a rudder element and a flange element for attachment to the rudder element. The flange element includes an internally cylindrical portion for mating, sliding and sealingly surrounding the cylindrical portion of the rudder shaft and an internally cylindrical portion for sliding, mating arrangement around the cylindrical portion of the flange part of the rudder shaft. The rudder element also includes a conical opening for mating attachment to the conical portion of the conical portion of the rudder shaft. It is provided channels for applying hydraulic pressure between the expanded flange part of the flange element, and means for tightening the flange element to the rudder element. Furthermore the invention comprises a rudder shaft for a ship rudder, a ship rudder with a conical opening, and a method for disassembly of a ship rudder from a rudder shaft. | 11-18-2010 |
| 20110192334 | RUDDER ASSEMBLY - A stop member ( | 08-11-2011 |
| 20130092070 | DEVICE FOR MANOEUVRING A WATERCRAFT - A device for maneuvering a watercraft includes a rudder trunk and a receiving shaft, wherein a first part of the rudder trunk is disposed in the receiving shaft in such a manner that there is an intermediate space between the first part of the rudder trunk and a wall of the receiving shaft. A second part of the rudder trunk projects from the receiving shaft, wherein the intermediate space has an apparatus for clamping the first part of the rudder trunk over a clamping height. A method for manufacturing a device for maneuvering a watercraft is also provided, wherein the manufacturing expenditure for the rudder trunk is reduced and the installation process of the rudder trunk is simplified. | 04-18-2013 |
| 20130192506 | RUDDER GROUP FOR BOATS - Rudder group ( | 08-01-2013 |
| 114167000 | Sectional | 4 |
| 20100269745 | RUDDER FIN - In order to achieve improved properties for a fin for a rudder for water vehicles, the fin is at least partially made of a fiber-composite material. The body for the fin has one or more separated inner hollow areas which are filled with a filler material. The fin body has a front leading edge facing a rudder, a rear trailing edge facing away from the rudder, and stiffening elements arranged between both edges. | 10-28-2010 |
| 20120079975 | RUDDER FOR SHIPS - The invention relates to a rudder for ships with propeller drive, in which the propeller is arranged to rotate about a propulsion axis, with a rudder blade ( | 04-05-2012 |
| 20120312217 | Rudder assembly with a deflectable trailing tab - Disclosed is a rudder assembly formed from a rudder structure having an airfoil shaped rudder structure rotatably secured to a shaft that is rigidly secured an underlying base plate. An upper surface of the base plate includes a support pin positioned a predetermined distance from the shaft. A trailing tab having an underlying drive plate is hingedly coupled to the rudder structure. The drive plate has a centrally located slot constructed and arranged to be slidably secured to the support pin on the base plate. Rotation of the rudder structure results in direct movement of the trailing tab in proportion to the rudder position. Clockwise rotation of the rudder structure causes the clockwise rotation of the trailing tab. Counter-clockwise rotation of the rudder structure causes the counter-clockwise rotation of the trailing tab. | 12-13-2012 |
| 20140326169 | Cylindrical underwater vehicle with vertical end plate attached to partially movable rudder - A cylindrical underwater vehicle with a vertical end plate attached to a partially movable rudder, including a vertical end plate which is formed in a longitudinal direction of the underwater vehicle and is mounted on a circumference thereof so as to improve a control force with respect to the underwater vehicle. The cylindrical underwater vehicle with a vertical end plate attached to a partially movable rudder, including a fixed plate formed to radially extend, and a movable plate, a front end of which is rotatably mounted to the rear of the fixed plate, includes a first vertical end plate which is formed to have a regular width in a longitudinal direction of the underwater vehicle at an upper end portion of the movable plate and is mounted perpendicular to the movable plate. | 11-06-2014 |
| 114168000 | Jury | 1 |
| 20100192826 | STEERING DEVICE - A steering device consists of a towed steering surface or blade attached to a marine vessel by means of lines. It provides a method of steering the vessel in fluid. The blade is either rigid or non-rigid and may be supported by a framework. Control of the blade is by an attached lever/quadrant or by lines. Attachment lines and/or control lines can be configured according to the current invention so as to permit a lightweight construction of blade and/or light loads on the helm. The device can be designed as primary steering or as a form of emergency or reserve steering which can be deployed either with or without prior preparation of the vessel. | 08-05-2010 |
