Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 8123578 | Device for reducing the power demand for the propulsion of a ship A device for reducing the power demand for the propulsion of a ship, and for broad-built or non-broad-built not-very-fast ships of any type which is affixed to the hull at a short distance upstream of the propeller, comprises a fore-nozzle with fins or hydrofoils th... | 02/28/2012 |
| 8043135 | Assembly and method to attach a device such as a hydrofoil to an anti-ventilation plate An assembly (10) is provided for mounting a hydrofoil, trolling plate or trolling motor (or other accessory) on the anti-ventilation plate (14) of a sterndrive or outboard motor (16) without the need to modify the plate or motor. The assembly ( | 10/25/2011 |
| 7993173 | Marine drive system with partially submerged propeller A marine drive system (1) with a partially submerged propeller located at the transom of a boat comprising, for each propeller (2), a forward-opened shroud (20), positioned above the propeller (2), such as to define, between it and the wa... | 08/09/2011 |
| 7878873 | Thrust adjustment apparatus for an underwater vehicle An apparatus for providing thrust adjustment on an underwater vehicle with a propeller shroud is disclosed. A portion of the vehicles body is provided with a compliant surface such that expansion and contraction of the compliant surface affects the flow of water thr... | 02/01/2011 |
| 7857672 | Flow control device for improving pressure resistance and hull vibration A flow control mechanism, for improving pressure resistance and hull vibration, includes a lower fin and an upper fin. The lower fin is disposed between a second station and a fourth station in a length direction of a ship and between 10% and 20% of a design draft f... | 12/28/2010 |
| 7594834 | Marine propulsion apparatus A marine propulsion apparatus includes an anti-cavitation plate on a casing that supports a propeller. A lift generation plate, which generates lift during propulsion, is disposed at a position rearward of the casing and above the anti-cavitation plate and extends i... | 09/29/2009 |
| 7575490 | Passive air induction system for boats A passive air induction system for boats that includes a wedge member and air induction tubes. The system is installed within the propeller tunnel of high-speed planing vessels to reduce or eliminate noise and vibration caused by cavitation vortices created by rotat... | 08/18/2009 |
| 7517263 | Advanced blade sections for high speed propellers A method and apparatus is directed towards an advanced blade section for propellers that allow watercrafts to effectively travel in both sub-cavitating and super-cavitating modes. The advanced blade section includes a streamlined profile having a convex upper surfac... | 04/14/2009 |
| 7335074 | Shroud enclosed inverted surface piercing propeller outdrive A shrouded outdrive propels a high-speed boat having a hull for high-speed passage through water. The hull has at least one bow at the forward end and at least one transom at the stern. A tubular shaft extends at a small angle (6° to 12°) from the boat transom int... | 02/26/2008 |
| 7335072 | Marine - (navy) ship-type equipment system for electrically driven marine-(navy) ships having different sizeds and driving power A marine-(navy) or commercial or yacht ship-type equipment system is for electrically driven ships having different sizes and driving power. The ships, as well as coast guard boats and customs boats, include standardized equipment segments for the propulsion and ope... | 02/26/2008 |
| 7311059 | Watercraft hull with entrapment tunnel A watercraft hull has at least one bent entrapment tunnel with an aft portion whose tunnel ceiling is at a higher elevation than portions of the tunnel ceiling immediately in front of it to provide a negative angle of attack with the free surface at design planing s... | 12/25/2007 |
| 7267589 | System and apparatus for improving safety and thrust from a hydro-drive device A system and apparatus are disclosed for improving safety and hydro-flow thrust from a hydro-drive device. The apparatus may include a shroud having a first opening for the ingress of water, and a second opening for the egress of water, and a vane extending inward f... | 09/11/2007 |
| 7240632 | Personal watercraft center keel A personal watercraft having improved bottom hull shapes in general, and improved center keel shapes in particular. The center keel can have a substantial section over which the keel angle becomes sharper progressing from front to rear, and the concavities on either... | 07/10/2007 |
| 7229331 | Shroud for a hydro thrust device An apparatus is disclosed for improving safety and hydro-flow thrust from a trolling motor. The apparatus may include a first and second semi-circular portions configured to connect together to substantially enclose a hydro-drive device, and a semi-circular bracket ... | 06/12/2007 |
| 7226327 | Outboard drive for boats An outboard drive for boats, having a steerable underwater housing (1) which has a wing-profiled portion (2). Projecting at an approximately 90 degree angle from the aft part of one side face (31) of the wing profile is a face portion (32... | 06/05/2007 |
| 7172477 | Safety propeller A safety propeller for a boat motor includes an annular collar having a front opening, a rear opening and a continuous peripheral wall. A plurality of angled, horizontal slits are circumferentially positioned about the peripheral wall to allow water to pass through ... | 02/06/2007 |
| 7140931 | System and apparatus for improving safety and thrust from a hydro-drive device A system and apparatus are disclosed for improving safety and hydro-flow thrust from a hydro-drive device. The apparatus may include a shroud having a first opening for the ingress of water, and a second opening for the egress of water, a diverter connected with the... | 11/28/2006 |
| 7115007 | Stern unit for marine craft A stern unit of marine craft that comprises a casing, a propeller, a propeller shaft, and at least one rudder actuated by hydraulic pistons is described. The casing is open at the bottom, with its bottom surface having a parabolic shape in cross-section. The casing ... | 10/03/2006 |
| 7104498 | Channel-wing system for thrust deflection and force/moment generation An aircraft comprising a Channel Wing having blown channel circulation control wings (CCW) for various functions. The blown channel CCW includes a channel that has a rounded or near-round trailing edge. The channel further has a trailing-edge slot that is adjacent t... | 09/12/2006 |
| 7097522 | Water pickup configuration for a marine propulsion system A cooling system for a marine propulsion device provides a water flow directing device, which is generally annular in shape, which has a water inlet extending from it. The water flow directing device is attachable to a gear case of a marine propulsion device and is ... | 08/29/2006 |
| 7086914 | Modular bracket system for engine mounted trolling motors and the like A modular engine mount (EM) trolling motor/lower unit mounting bracket is provided. The bracket includes a lower mounting EM bracket that is secured to the cavitation plate of a vessel's outboard or I/O. This lower bracket includes a support carriage that supports t... | 08/08/2006 |
| 7066775 | Propeller wash straightening device A prop wash straightening apparatus for increasing the efficiency of propeller-driven watercraft. An elongated outer tubular member open at each end thereof is adapted for connection to the boat or vessel to position said outer member immediately downstream of the p... | 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 |
| 7059923 | Cycloidal propeller A cycloidal propeller for a boat is provided that has a protective guard with one or more slots therethrough, which run at least approximately perpendicular to the direction of travel of the boat. ... | 06/13/2006 |
| 7048506 | Method and apparatus for magnetic actuation of variable pitch impeller blades An integrated propulsion and guidance system for a vehicle includes an engine coupled to an impeller via a driveshaft to produce propulsive force. The impeller includes a hub and a plurality of blades, including at least one control blade pivotably mounted to the hu... | 05/23/2006 |
| 7036781 | Connecting unit for the angle-adjustable connection of at least two loudspeaker enclosures, and correspondingly connected loudspeaker enclosures The invention relates to a connecting unit for the angle-adjustable connection of at least two loudspeaker enclosures. There are provided a first supporting part (13), which can be assigned to one loudspeaker enclosure (11), and a second supporting par... | 05/02/2006 |
| 7011559 | Obstacle guard for a boat motor The invention is a lower housing unit and propeller protection assembly for a boat motor. The assembly comprises a planar clamp member, securable to a boat motor upper housing unit. An adjustable length, linear connector member is secured at one end to the clamp mem... | 03/14/2006 |
| 6966806 | Replaceable leading edge for a marine drive unit A marine propulsion device is made of first and second portions which are removably attachable to each other. The second portion is the leading edge portion of the nose cone and the drive shaft housing. It can also comprise a portion of the skeg. The second portion ... | 11/22/2005 |
| 6926566 | Method and apparatus for synchronous impeller pitch vehicle control An integrated propulsion and guidance system for a vehicle includes an engine coupled to an impeller via a driveshaft to produce propulsive force. The impeller includes a hub and a plurality of blades, wherein one or more of the blades is pivotably mounted to the hu... | 08/09/2005 |
| 6916217 | Boat propeller shield system A boat propeller shield system for protecting a propeller from damage and humans from injury. The boat propeller shield system includes a cover, a front opening within the cover and a zipper extending from a perimeter of the front opening. The cover is preferably co... | 07/12/2005 |
| 6912926 | Gear transmission The invention relates to a gear transmission comprising a first shaft, an intermediate shaft which is parallel to the first shaft, a first cylindrical pinion and a second cylindrical pinion for coupling the rotation of the first shaft and the intermediate shaft, a t... | 07/05/2005 |
| 6899576 | Twin-propeller drive for watercraft In a watercraft drive for a watercraft having front and rear propellers respectively mounted on a drive shaft in coaxial longitudinally displaced relationship, each of said propellers having at least two blades, the front and rear propellers having equal diameters a... | 05/31/2005 |
| 6893304 | Course-stable, fast, sea-going ship comprising a hull that is optimized for a rudder propeller A course-holding, high-speed, sea-going vessel having a hull which is intended to hold payloads or passengers and at least one rotatable, preferably electric, rudder propeller (POD) which is arranged gondola-like under the hull of the vessel and has, to supply it wi... | 05/17/2005 |
| 6851991 | Hull and propeller arrangement Hull and propeller arrangement for a surface watercraft (1), provided with at least one propeller (3), in addition to which the propeller (3), at high speeds of the watercraft, is surface-piercing, and the propeller (3) is arranged in suc... | 02/08/2005 |
| 6698370 | Hydrodynamic and supportive structure for gated ship stern A dualistic stern-appendant device comprises, in integrated form, at least two gate-supportive bodies and at least one flap-hydrodynamic body. The device is characterized by an alternating arrangement of bodies (totaling an odd number of at least three bo... | 03/02/2004 |
| 6692319 | Thruster for submarine vessels A thruster for use in underwater applications, including a stator assembly having an encapsulated set of coils and a rotor assembly having an encapsulated set of permanent magnets. Two ring-shaped rotor bearings, incorporating both thrust bearing surfaces... | 02/17/2004 |
| 6682378 | Pivotally suspended, variable depth, propeller drive for boats An inboard propeller drive system for shallow water boats comprising a stern tunnel and a propeller drive shaft sub-assembly. The tunnel protrudes upwardly from the floor of the boat, and has an S-shaped bottom plate immersed in water. The sub-assembly in... | 01/27/2004 |
| 6682377 | Propulsion apparatus for a vessel A propulsion apparatus for a vessel includes a main screw and a push type POD propeller which is provided rearward of the main screw. Furthermore, a plurality of grooves which extend along flow directions of a hub vortex generated by the main screw are pr... | 01/27/2004 |
| 6644926 | Vane structure for a propeller A vane structure for a propeller for engaging fluid and preventing cavitation or the rapid formation and collapse of low-pressure gas bubbles in a liquid. The vane structure for a propeller includes a plurality of spaced vanes that are mounted to and exte... | 11/11/2003 |
| 6558213 | High performance engine skeg The present invention, in one form, is a skeg having an airfoil shape which facilitates maintaining engine control even at high speed but does not adversely affect engine performance. In one embodiment, the skeg includes a fore end, an aft end, and opposi... | 05/06/2003 |
