Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7354323 | Motor mount for watercraft A motor mount for a watercraft having a frame of tubular construction fixed to the stern of the watercraft to space the motor from the stern. The frame includes a pair of vertical legs receiving a yoke slidable along the legs. The motor is fixed to the yoke to be ra... | 04/08/2008 |
| 7316595 | Propeller positioning system which constrains the propeller to follow a path generally parallel to the bottom surface of a boat A propulsion system for a boat including a drive system and a propeller positioning system. The drive system may be of any type, such as outboard motors, inboard/outboard drives, surface drives, etc. The positioning system constrains movement of the propeller shaft ... | 01/08/2008 |
| 7294029 | Mount apparatus for a trolling motor A mount apparatus for a trolling motor provides latching positions for the stowed and deployed conditions of the trolling motor. Locking the mechanism in either the stowed or deployed positions is accomplished solely by moving the shaft of the trolling motor assembl... | 11/13/2007 |
| 7267069 | Steering control system for boat A load variation amount can be derived from an output of a load sensor for detecting an external force acting on a watercraft. A computation can be performed whether or not the load variation amount is larger than a reference value calculated based on the load senso... | 09/11/2007 |
| 7267588 | Selectively lockable marine propulsion devices A steering system for a marine vessel is provided with a connecting link attached to first and second marine propulsion devices. The connecting link is selectively disposable in first and second states of operation which either require synchronous rotation of the fi... | 09/11/2007 |
| 7175491 | Assembly system for a marine propulsion device A marine propulsion system is configured to be assembled, as one unitary structure, into a marine vessel. A transom attachment member is provided and is attachable to both an engine and a drive unit to form a single marine propulsion system structure which can be lo... | 02/13/2007 |
| 7168383 | Steering apparatus for ship propeller In a steering apparatus for a ship propeller in which a steering handle is provided within a ship body, a propelling unit is fixed to a steering shaft rotatably supported to an attaching bracket fixed to the ship body. A steering cable connected to the steering hand... | 01/30/2007 |
| 7146921 | Rotationally retractable propeller A retractable thruster for a surface or submersible vessel, having thruster a propulsion assembly with a rigid structure secured to a cylindrical turbine. The rigid structure contains a motor suitable for rotating at lease one propeller inside the turbine via at lea... | 12/12/2006 |
| 7066777 | Marine inboard/outboard system A marine vessel is provided having a stern drive attached to the transom of the vessel. An actuator is provided for adjusting the pitch of the stern drive relative to the transom of the vessel. The stern drive is mounted on the transom of the vessel such that a driv... | 06/27/2006 |
| 7063031 | Wake control device for boat A wake control device for a boat, including a mounting member pivotally securable to the boat aft for pivoting about a first axis substantially transverse to the boat aft, a rudder member secured to the mounting member for pivoting about a second axis substantially ... | 06/20/2006 |
| 7044815 | Remotely steerable mount for boat propulsion motor A mounting arrangement for a boat's propulsion motor that permits steering of the boat by remote control. A preferred embodiment includes a bracket for attachment to a boat, and a steerable mounting plate to hold the motor. An orientation of the mounting plate is ad... | 05/16/2006 |
| 7011089 | Sub-aqua breathing system A sub-aqua breathing system which enables a person operating underwater to breathe air from a compressed air tank supported on the water surface. The system includes a housing containing both a buoyant material and a toroidal compressed air tank connected to an air ... | 03/14/2006 |
| 7011558 | Directionally-stabilized waterjet steering apparatus A directionally-stabilized waterjet steering system for a marine vessel having a vessel structure and steered by an operator, comprising: a steering deflector with a center position; a tiller arm connected to the steering deflector; an input device; and a centering ... | 03/14/2006 |
| 6935261 | Apparatus for body motion steering control for water craft An apparatus for steering control of water craft by operator body motion commands. The craft is powered by an outboard motor having a first vertical axis. The water craft has a swivel seat co-axially mounted to first and second swivel bodies permitting rotation of t... | 08/30/2005 |
| 6892662 | Power steering device for boat with outboard motor To provide a power steering device for a boat with an outboard motor which helps to realize easy drive with small steering force without taking waterproofness into consideration. A gear device (4) is provided for driving a link mechanism for turning and steer... | 05/17/2005 |
| 6684803 | Watercraft steering apparatus with joystick A steering apparatus for a motor-driven watercraft includes: (a) a movable, two-directional joystick including a steering arm (b) a depressible throttle trigger affixed to an upper end portion of the joystick; and (c) a pulley system including a steering ... | 02/03/2004 |
| 6659817 | Alignment system for an outboard motor First and second pliable members are each attached to an outboard motor and to a fixed location on the transom or transom bracket associated with the outboard motor. One pliable member is used on the starboard side of the outboard motor while another is u... | 12/09/2003 |
| 6620005 | Remotely controlled steering transom A remotely controlled steering transom for attaching to the existing transom of a boat thereby allowing the user to control the boat motor remotely from any location in the boat. The remotely controlled steering transom includes an electrically driven tra... | 09/16/2003 |
| 6447348 | Trolling motor for watercraft and method of mounting the same An outboard trolling motor operable to turn a propeller for direction control and raise and lower the propeller relative to the waterline. The present invention includes an elongated member for carrying the propeller. Upper and lower planer members are pi... | 09/10/2002 |
| 6341992 | Boat steering torque compensator The present boat steering torque compensator is for being attached to a boat with a pivotable outboard motor, and a linearly movable control shaft with a first end connected to the outboard motor and a second end connected to a steering wheel. The compens... | 01/29/2002 |
| 6145624 | Grease coupling for the steering cable of an outboard motor, and method of making The grease coupling of this invention is made from three elements that are conventional and readily available: a nut; an externally threaded tube; and a grease fitting. These three elements are integrated to define an effective grease coupling to lubricat... | 11/14/2000 |
| 6053781 | Steering device for trolling motor An auxiliary steering device for a trolling motor employing a steering block attached to the directional shaft of the trolling motor that is connected via a continuous cable to a pivoting stick positioned on the gunwale of a boat. The stick, working in co... | 04/25/2000 |
| 5931710 | Surface drive kit for marine craft A marine outdrive attachable to the transom of a small fishing boat having an inboard engine. The marine outdrive includes a kit having through transom mounting plate, a fabricated propeller shaft housing pivotally attached to a pivot member which is pivo... | 08/03/1999 |
| 5725401 | Troll motor tilt trigger A trigger lever (1) is attached pivotally at a fulcrum section (4) to an outside portion of a steering housing (9) that tilts on a troll-motor clamp (11) of a conventional troll-motor assembly. A latch-release line (5) that is pulled from a select positio... | 03/10/1998 |
| 5580287 | Electric motor drive for a boat An electric motor drive comprising an electric motor within a housing and coupled to a propeller; a hollow cylindrical rotatable drive shaft projecting from the housing along a vertical axis of rotation; a boat mount anchoring the drive shaft in place wit... | 12/03/1996 |
| 5471907 | Marine steering apparatus A fluid power apparatus is connected to a pressurized fluid supply and a conventional helm pump controlled by the helm of a vessel to shift the rudder. The apparatus comprises an actuator cylinder connectable to the rudder, and a servo cylinder and a main... | 12/05/1995 |
| 5427556 | Power steering device for boat propulsion unit A power steering device for use with a boat propulsion unit has a hydraulic cylinder unit for angularly moving a steering arm of the boat propulsion unit. A rotary valve mechanism for supplying working oil from a working oil tank to the hydraulic cylinder... | 06/27/1995 |
| 5427555 | Power steering system The invention is to a power steering system for a marine vehicle having an operator actuable steering helm and a propulsion unit, including a steering arm, to effect steering movement thereof about a steering axis. The system is interposed between the ste... | 06/27/1995 |
| 5408945 | Cable steering device, especially for boats Cable steering device, especially for boats, with an operating cable (3, 4) extending between a steering wheel mechanism (1, 2) and a steering mechanism (8, 10). The operating cable consists of a flexible sheath (3) and a flexible operating core (4) displ... | 04/25/1995 |
| 5399112 | Servo assisted cable steering mechanism, especially for boats Servo-assisted cable steering arrangement, especially for boats, with an operating cable (4) connected to a steering wheel mechanism (1, 2) and displaceable in a casing (3). The outer end of the operating cable is joined to an operating rod (6) connected ... | 03/21/1995 |
| 5378179 | Steering apparatus and method for making same Disclosed is an apparatus having an input device (e.g., a steering wheel) which rotates about an input axis and moves an output device which provides a force along a force axis. The devices are coupled together by a cam follower mechanism which converts i... | 01/03/1995 |
| 5376030 | Outboard motor mounting apparatus vertical movement device The invention provides for vertical motion of an outboard motor on an outboard motor mounting apparatus by utilizing the angular motion of the outboard motor's tilt and trim feature to achieve the lift. The preferred embodiment of the invention achieves t... | 12/27/1994 |
| 5326292 | Lubrication adaptor for a marine steering system An improvement in a lubrication adaptor for a marine steering system in which the lubrication adaptor is threaded onto a control cable housing and provides for the lubricated telescopic movement of a tubular member relative to the control cable housing, t... | 07/05/1994 |
| 5295878 | Mud bug Mud bug, a portable system for propulsion of small boats consisting basically of a carrying frame (10) housing controls for forward and reverse speed, steering, and tilt of a remote mounted outdrive assembly. Control is accomplished through flexible sheat... | 03/22/1994 |
| 5289756 | Marine steering apparatus A fluid power apparatus is connected to a pressurized fluid supply and a conventional helm pump controlled by the helm of a vessel to shift the rudder. The apparatus comprises an actuator cylinder connectable to the rudder, and a servo cylinder and a main... | 03/01/1994 |
| 5207604 | Boat and steering assembly A vessel and a steering mechanism for the vessel is disclosed. In one embodiment, the vessel comprises a hull, a motor apparatus for providing propulsion to the hull, a pedestal mounted within the hull, and a pulley device, operably connected to the pedes... | 05/04/1993 |
| 5176549 | Marine steering apparatus An apparatus for mounting a propulsion unit to a boat, the apparatus comprising structure for connecting the propulsion unit to the boat for pivotal movement relative thereto about a generally vertical steering axis, a tiller handle pivotally mounted on t... | 01/05/1993 |
| 5171174 | Foot switch mechanism for transom-mounted trolling motors A foot operated steering mechanism (12) for conventional trolling motors (10) is provided which can be readily retrofitted to the motor (10) without interfering with normal manual control and steering of the motor (10). The steering mechanism (12) include... | 12/15/1992 |
| 5127856 | Power steering system for outboard motor A power steering system for an outboard motor capable of permitting an electric motor to be driven only when the driving of the electric motor is required and automatically controlling the steering force of a steering wheel depending upon the steering rea... | 07/07/1992 |
| 5111761 | Steering system for boats A steering system (10) of a boat (25) has a steering column (12), a dashboard mounting structure (18), a cable housing (20), and a cable (22). Parts within the cable housing (20) transfer rotation of the steering column (12) to a push-pull movement of the... | 05/12/1992 |