Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8075355 | Marine jet propulsion steering system A marine jet propulsion system has a jet pump, a venturi connected to the jet pump, and a steering nozzle rotationally mounted relative to the venturi about a first axis. The steering nozzle has a central longitudinal axis. The first axis intersects the central long... | 12/13/2011 |
| 7775844 | Electronically assisted reverse gate system for a jet propulsion watercraft An electronically assisted reverse gate system for a jet propulsion watercraft is provided. Control electronics are in communication with the operator interface of the watercraft to obtain commands from the operator, such as a selection between a forward, reverse or... | 08/17/2010 |
| 7753746 | Dual steering nozzle marine jet propulsion system A marine jet propulsion system has a jet pump, a venturi connected to the jet pump, a first steering nozzle rotationally mounted relative to the venturi about a first steering axis, and a second steering nozzle rotationally mounted relative to the first steering noz... | 07/13/2010 |
| 7641525 | System and method for controlling a waterjet driven vessel A method for controlling a marine vessel having first and second steering nozzles and first and second trim deflectors comprises generating at least a first set of actuator control signals and a second set of actuator control signals. The first set of actuator contr... | 01/05/2010 |
| 7465201 | Articulation mechanism and elastomeric nozzle for thrust-vectored control of an undersea vehicle The mechanism of the present invention maneuvers a vehicle by deflecting the flow from a propulsor of the vehicle. The mechanism has an elastomeric nozzle that encases the flow and is deflected via an articulation device mountable inside the vehicle. The nozzle is s... | 12/16/2008 |
| 7387552 | Trim adjusting device for small surface boat A trim adjusting device for a surface boat is provided that includes a nozzle for projecting jet water rearward arranged rearwardly of a jet propeller arranged in a boat body; a nozzle drive mechanism connected to the nozzle for operating the nozzle upward or downwa... | 06/17/2008 |
| 7367855 | Cable supporting structure for small boat A cable supporting structure for facilitating the operation of mounting a cable to a boat. The cable includes a cable inner, a cable outer for surrounding the cable inner, and a stepped portion provided on the cable outer. The cable supporting structure includes a b... | 05/06/2008 |
| 7347752 | Integral reversing and trim deflector and control mechanism A thrust control system is described, including a control apparatus having water jet deflectors that deflect water to provide a reversing/backing thrust and a trim force to marine vessels using water jet propulsion. Other aspects include an electro-mechanical contro... | 03/25/2008 |
| 7341496 | Fast sea-going ship with a double bottom and a waterjet drive The invention relates to a high-speed, sea-going ship comprising a double hull and a water-jet drive, the latter consisting of at least one pump assembly for generating the water-jet and at least one drive motor for the pump assembly. According to the invention, the... | 03/11/2008 |
| 7270583 | High efficiency watercraft propulsion system A propulsion system for a watercraft includes a concavity formed in a hull of the watercraft. The concavity has a minimum depth at its leading end and a maximum depth at its trailing end. An impeller is mounted in the trailing end of the concavity and a stator trail... | 09/18/2007 |
| 7223138 | Water jet propeller A water jet propeller for preventing an impeller from being exposed when the water jet propeller is disassembled. The water jet propeller includes a stator disposed at a rear-end portion of an impeller housing, and an impeller is disposed inside the impeller housing... | 05/29/2007 |
| 7217165 | Waterjet steering and reversing apparatus Steering and reversing apparatus for a waterjet-powered marine vessel, the waterjet having an intake duct, a diffuser, and a steering nozzle and producing a rearward water stream flowing from the steering nozzle, the apparatus comprising: a nozzle pivot pivotably at... | 05/15/2007 |
| 7201621 | Portable bow thruster for small boats A portable bow thruster for use on the bow of a boat in a body of water having a water line. The bow thruster includes a blower assembly for producing an air flow to provide thrust, an exhaust air duct for expelling the air flow from the blower assembly, pivoting me... | 04/10/2007 |
| 7195527 | Operational control device for jet propulsion watercraft A jet propulsion unit for a small watercraft includes a reverse thrust arrangement. The reverse thrust arrangement includes a water diverter bucket assembly moveable between an open position and a closed position with respect to a steering nozzle of the jet propulsi... | 03/27/2007 |
| 7185599 | Jet drive propulsion system for a pontoon boat A pontoon boat is provided with a jet drive propulsion system in which an impeller is driven by an engine. The jet drive propulsion device is dirigible as a result of the fact that a nozzle of the device is rotatable about a generally vertical steering axis. The jet... | 03/06/2007 |
| 7182033 | Self-contained marine propulsion system for a pontoon boat A self-contained marine propulsion device is disposed within a container, or pod, that is removably attachable to an undersurface of a deck of a pontoon boat. An engine is contained within the container and connected in torque transmitting relation with the marine p... | 02/27/2007 |
| 7168996 | Integral reversing and trim deflector and control mechanism A thrust control system is described, including a control apparatus having water jet deflectors that deflect water to provide a reversing/backing thrust and a trim force to marine vessels using water jet propulsion. Other aspects include an electromechanical control... | 01/30/2007 |
| 7128624 | Rechargeable open cycle underwater propulsion system In an underwater vehicle, hydrogen and oxygen are fed into a combustion chamber of a combustor of the underwater vehicle to initiate a combustion reaction, which generates high-pressure steam. The high-pressure steam can be cooled with the injection of seawater, and... | 10/31/2006 |
| 7121220 | Steering mechanism for watercraft The invention relates to an apparatus for and method of automatically actuating the movement of a rudder of a watercraft between a steering and a non-steering position in response to the speed of the watercraft. This invention is particularly applicable for use in j... | 10/17/2006 |
| 7052339 | Propulsion system for a fast seagoing ship, especially a naval ship The invention relates to a propulsion system for a fast seagoing ship, especially a naval ship, which comprises a propulsion system driven by at least one water jet produced by a pump assembly with an outlet nozzle for water, and a propeller jet produced by at least... | 05/30/2006 |
| 7052338 | Integral reversing and trim deflector and control mechanism A thrust control system is described, including a control apparatus having water jet deflectors that deflect water to provide a reversing/backing thrust and a trim force to marine vessels using water jet propulsion. Other aspects include an electro-mechanical contro... | 05/30/2006 |
| 7029343 | Steering arrangement for a ship propelled by waterjet The present invention relates to a steering arrangement for ships propelled by water jet, comprising a steering device (6) that is pivotal about an essentially vertical shaft (5) having a first center line (C1), at least one hydraulic cylinder (... | 04/18/2006 |
| 7018251 | Trim operating wire structure for personal watercraft A trim operating wire is disclosed wherein the length of the pull wire connecting between the push-pull converter and the trim operating lever can be made short, and the push wire can be made long. As a result, even where the pull wire, which is thin and highly flex... | 03/28/2006 |
| 7007621 | Braking system for a personal watercraft A braking system for a personal watercraft includes at least one brake plate for mounting to the transom of a personal watercraft such that the jet nozzle of the watercraft is directionally adjustable independently of the braking system. The brake plate is alternata... | 03/07/2006 |
| 7004802 | Tail cone assembly A tail cone assembly for a watercraft jet pump includes a tail cone body with a shuttle recess, a self-actuated shuttle biased into the shuttle recess, and a pump back pressure inlet orifice through the tail cone body and into the shuttle recess. The shuttle may hav... | 02/28/2006 |
| 7001228 | Water jet pump A water jet pump is provided which reduces cavitation and thereby allows an improvement in pump efficiency. In a water jet pump in which an impeller driven for rotation and is provided in a cylindrical housing, an edge portion of the outer circumferential surface of... | 02/21/2006 |
| 6976891 | Underwater sound and bubbles for powered watercraft Sound and bubble producing apparatus formed by a channeled member having an air inlet and outlet immersible in a body of water, with said outlet accompanied by structure that casuse air bubbles and sound to be emitted from said outlet when immersed the body of water... | 12/20/2005 |
| 6968919 | Cable type steering system A cable type steering system includes an operation cable having an outer tube and inner cable slidably received in the outer tube. A drive pulley coupled to a steering wheel for rotation and a driven pulley coupled to a steering gear box for steering wheels for rota... | 11/29/2005 |
| 6948987 | Personal watercraft A personal watercraft has a structure in which a steering nozzle is mounted onto a jet nozzle so as to be swingable vertically and in the left-right directions, upper and lower support shafts for mounting the steering nozzle include upper and lower bolts, the upper ... | 09/27/2005 |
| 6945834 | Steering arrangement for ships with water jet unit The present invention relates to a steering arrangement for ships with a water jet unit, comprising a steering device that is pivotable about an essentially vertical shaft having a first center line, at least one hydraulic cylinder articulately connected at a first ... | 09/20/2005 |
| 6942170 | Plural odd number bell-like openings nozzle device for a fluidized bed jet mill A jet mill includes plural nozzle devices for discharging a composite stream of high velocity fluid. Each nozzle device includes a plural odd number of nozzle openings for discharging an individual stream of high velocity fluid. Each nozzle opening comprises (i) a c... | 09/13/2005 |
| 6926567 | Directional steering controlled jet propulsion An elongated fluid dynamic water jet type of propulsion body receives an inflow of fluid through inlet openings for entry into a jet propulsor from which an outlet jet emerges for passage through an internal transition passage to an exit end between two pairs of hor... | 08/09/2005 |
| 6913496 | Personal watercraft A personal watercraft having an engine, a water jet propeller on the rear side of the engine, a jet nozzle for ejecting jet water, and a steering nozzle swingable in the left-right direction. The axis of the water jet propeller is set with a rearwardly downward grad... | 07/05/2005 |
| 6875065 | Trim operating lever device for personal watercraft A trim operating lever device is disclosed which can downwardly or vertically swing a nozzle capable of adjusting the jet direction of jet water. When the trim operating lever is gripped with a finger of the hand which is gripping the steering handle, a lever of the... | 04/05/2005 |
| 6865996 | Waterjet control system A dual axis joystick control system is used intuitively for maneuvring a waterborne vessel having two or more waterjets with steering deflectors (13) and reverse ducts (14) mounted independently of the steering deflectors. The joystick (21) is o... | 03/15/2005 |
| 6800003 | Apparatus and method for steering a jet propelled water craft An apparatus and method are disclosed which allow a stream to be divided so that a portion continues to provide forward or reverse thrust while a portion is diverted to provide lateral thrust. The apparatus has a frame and a side diverter connected thereto. The side... | 10/05/2004 |
| 6793545 | Controlled thrust steering system for watercraft A watercraft of the jet propulsion type comprising a steering mechanism, a throttle control mechanism, a thrust mechanism, a throttle regulator and a controlled thrust steering system. The steering mechanism has a straight-ahead position. The steering mechanism is a... | 09/21/2004 |
| 6776675 | Jet propulsion boat To provide a jet propulsion boat which can be efficiently propelled by disposing a steering nozzle closer to the bottom of the boat. A jet propulsion boat includes a jet propulsion apparatus driven by an engine at the stern. A jet nozzle for jetting water is provide... | 08/17/2004 |
| 6729918 | Jet-propelled watercraft A jet-propelled watercraft capable of eliminating the need for having an operating cable connected to a reverse bucket positioned in a space over a jet propulsion unit. The jet-propelled watercraft configured such that an intermediate lever is disposed in a gap betw... | 05/04/2004 |
| 6716075 | Steering nozzle angle adjusting mechanism for jet propulsion watercraft To provide a steering nozzle angle adjusting mechanism for a jet propulsion watercraft in which an adjustment of the angle of a steering nozzle can be easily carried out without much labor. A steering nozzle angle adjusting mechanism includes at a rear end of an ope... | 04/06/2004 |
