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Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 8118562 | Sacrificial blade tip A propeller blade device used in environments where a propeller system is subjected to blade erosion and wear and may also be subjected to an axial force from water. The propeller blade includes a blade tip mounted on its outer end using a mounting device such as nu... | 02/21/2012 |
| 7381312 | Cathodic protection system for a marine propulsion device with a ceramic conductor A ceramic conductor is supported by an electrically insulative support member for attachment directly to a marine propulsion drive and for use as either an anode or electrode in a corrosion prevention system. The ceramic conductor is received within a depression for... | 06/03/2008 |
| 7357685 | Jet pump tail cone insert The present disclosure relates to a jet pump tail cone insert for a jet pump. The jet pump tail cone insert comprises a cap, a body and an end member. The end member has a plurality of projections configured to matingly receive a plurality of forks of the body. When... | 04/15/2008 |
| 7306497 | Boat propeller and method for assembling the same The present invention relates to a boat propeller and the assembly method therefor. The propeller comprises a hub and a plurality of separated blades to be integrally coupled with corresponding seats that are formed in the hub. Advantageously, during the assembly st... | 12/11/2007 |
| 7223076 | Propeller shaft and a propeller adapted thereto Propeller shaft (2) and a propeller (7) for marine drive units. The shaft has a splines portion (3) on which the propeller is designed to be fixed. The shaft also has a threaded portion (10) for a lock nut between the shaft end and the sp... | 05/29/2007 |
| 7114926 | Water pump for cooling engine A water pump for cooling an engine in which an impeller accommodated in a pump housing provided on an engine body is mounted on an end of a rotational shaft rotatably supported on the pump housing for enhancing the reliability of the mounting strength of the impelle... | 10/03/2006 |
| 7056091 | Propeller hub assembly having overlap zone with optional removable exhaust ring and sized ventilation plugs A propeller hub assembly having a through-hub exhaust propeller hub characterized by an interior overlap zone defined by the composite interior dimensions of a selected number of conventional propeller hubs and optionally fitted with a removable exhaust ring and/or ... | 06/06/2006 |
| 7048510 | Propeller spinner for a marine propeller A propeller spinner (5) for a marine propeller (1) having multiple propeller blades (2) attached to a propeller hub (3) that is adapted for attachment to a propeller shaft (4) and includes a sacrificial anodic material for protecti... | 05/23/2006 |
| 7011501 | Energy generating system A system (1) designed to generate energy with the aid of, primarily, sea currents, comprising a rotation body (4) having a front inlet side (2) and a rear outlet side (3), and at least one transfer member (6) connected between the ... | 03/14/2006 |
| 6840826 | Water jet propulsion apparatus A water jet propulsion apparatus having a duct forming a channel, an impeller disposed in the duct, a bearing of the impeller provided in the duct, and a cap closing the rear end of the bearing. In addition, at least one stream-straightening groove is formed in an e... | 01/11/2005 |
| 6562206 | Anode assembly A propeller attachment is disclosed including a body, the body including an anodic material, at least one projection projecting from the body, and a fastener coupled to the body. An anode is also disclosed including an annular body constructed from an ano... | 05/13/2003 |
| 6533536 | Hydro-turbine runner A turbine installation comprising a turbine in combination with an electrical closed-loop control system. The turbine is disposed in a flow of water for producing electrical energy. The turbine includes a hollow hub and a plurality of runner blades pivota... | 03/18/2003 |
| 6524069 | Propeller assembly incorporating improved locking structure A propeller housing for a marine vehicle is provided which incorporates an improved locking structure for maintaining the propeller assembly on the drive shaft of the marine vehicle. The locking structure includes a spider washer having first and second e... | 02/25/2003 |
| 6422905 | Marine propeller, propeller system and components belonging thereto, and a method of connecting a propeller In an adapter for adapting a marine propeller to a housing part of a drive source, the adapter includes a hub-connecting side and a housing-connecting side and a portion for fastening the adapter to a propeller hub.... | 07/23/2002 |
| 6402477 | Adjustable blade turbines A turbine, adaptable to improve the survivability of fish present in water flowing therethrough, includes a hub and associated runner blades. Each blade comprises an inner edge and a distal outer edge, a leading edge and a trailing edge separated by a wat... | 06/11/2002 |
| 6358008 | Propeller assembly for a marine vehicle A propeller assembly is provided for mounting on a rotatable propeller shaft of a marine vehicle. The propeller assembly includes a central hub mounted on the propeller shaft for rotation therewith. A generally tubular propeller housing is slidable on the... | 03/19/2002 |
| 6352410 | Variable-pitch boat propeller with easy-change vanes A variable-pitch boat propeller has a hub centered on and rotatable about a hub axis and formed with a radially out-wardly open pocket having a predetermined inside diameter and centered on a vane axis extending generally radially of the hub axis and a mo... | 03/05/2002 |
| 6254339 | Hydro-turbine runner A turbine disposed in a water passageway includes a hub and associated runner blades. Each blade comprises an inner edge and a distal outer edge, a leading edge and a trailing edge separated by a water directing surface. Each blade is rotatable relative t... | 07/03/2001 |
| 6234852 | Impeller for water jet pump of watercraft An impeller for a water jet pump of a watercraft having a structure so as to enhance pump efficiency, and to reduce manufacturing cost having a tip portion configured to be fixed to a propeller shaft for being rotated integrally with the propeller shaft, ... | 05/22/2001 |
| 6164907 | Adjustable blade turbines A turbine installation having reduced inner and outer gaps comprises a water passageway and a turbine runner disposed in the passageway downstream of a discharge ring. The turbine runner includes a hollow hub having spaced apart inner and outer surfaces a... | 12/26/2000 |
| 6085557 | Anti-theft device for marine propellers An anti-theft device, for preventing unauthorized access to the propeller retaining nut, includes two sections that fit together to form an access-preventing cap. The cap fits around an expanded rim normally found on propeller center-bodies, and the cap c... | 07/11/2000 |
| 5967751 | Propeller assembly for marine engine A propeller device includes a shaft rotatably supported in a marine engine, and a hub secured to the shaft and having three or more axially extending keys. A propeller housing includes three or more pairs of lobes for forming keyways and for engaging with... | 10/19/1999 |
| 5954474 | Hydro-turbine runner A turbine, disposed in water flowing therethrough, includes a hub and associated runner blades. Each blade comprises an inner surface and a distal outer surface, a leading edge and a trailing edge separated by a water directing surface. Each blade is rota... | 09/21/1999 |
| 5947679 | Adjustable blade turbines A turbine, adaptable to improve the survivability of fish present in water flowing therethrough, includes a hub and associated runner blades. Each blade comprises an inner edge and a distal outer edge, a leading edge and a trailing edge separated by a wat... | 09/07/1999 |
| 5746580 | Electromagnetic heating devices, particularly for ram air turbines Apparatus is provided for creating heat by electromagnetic induction between relatively rotating components. In RAT applications, part of the nose cone (34) is formed from electrically conductive material (106) which is in thermally conductive relation to... | 05/05/1998 |
| 5611718 | Auxiliary propelling device An auxiliary propelling structure can be attached to an existing propeller system including a propeller having a boss, a propeller shaft and a tightening nut screwed onto the end of the shaft. The auxiliary propelling structure includes an auxiliary boss ... | 03/18/1997 |
| 5509785 | Impeller of motorboat A motorboat impeller comprises an axial portion having a through axial hole and having a plurality of blades mounted around the periphery thereof and further having a plurality of retaining slots in the inner wall of the through axial hole. The retaining ... | 04/23/1996 |
| 5451143 | Motorboat impeller A motorboat impeller comprises an axial portion, a plurality of blades attached to the periphery of the axial portion, an axial casing, and a nose. The axial portion of a conical construction has a front end with an outer diameter smaller than an outer di... | 09/19/1995 |
| 5266009 | Impeller structure for water jet propelled boat A water jet propelled boat is equipped with a water intake opening, a water jet outlet, and with a mixed flow type impeller, where the above mentioned water intake opening and the above mentioned water jet outlet are connected by a water passage with the ... | 11/30/1993 |
| 5249993 | Weed resistant boat propeller A weed resistant boat propeller is disclosed. The propeller includes a generally circular hub that is adapted for mounting to and being rotatably driven by a boat motor. There are a plurality of blades mounted to a circumferential surface of the hub and e... | 10/05/1993 |
| 5232345 | Feathering propeller with a manually adjustable pitch Pitch adjustment in a feathering propeller employing a planet gear engagement between a pinion hub keyed on the drive shaft and planet pinions at the base of the blades of the propeller which are rotatably mounted through holes of the wall of a hub's casi... | 08/03/1993 |
| 5135358 | Marine propeller theft deterrent system A marine propeller theft deterrent system is designed for use on a conventional propeller assembly. The system comprises an annular ring component which fits onto an end portion of the propeller's drive shaft and abuts against a hub of the propeller assem... | 08/04/1992 |
| 5071322 | Waterproof structure for fan motor A waterproof structure for a fan motor comprising a vertical motor shaft projecting from the lower surface of a motor yoke and a fan boss portion which has a bottomed cylindrical shape formed by a bottom opposite to the lower surface of the motor yoke, an... | 12/10/1991 |
| 4955833 | Dynamic damper on marine propeller or propeller shaft Disclosed herein is a marine propulsion device comprising a lower unit including a gear case, a propeller shaft extending in the gear case, an annulus of greater dimension than the propeller shaft and of material weight, and a ring of elastomeric material... | 09/11/1990 |
| 4842483 | Propeller and coupling member Disclosed is a marine propeller for inboard, outboard, or inboard/outboard motors. The propeller is made from a non-metallic composite material that will not deform or deflect even at very high horsepower or RPMs. At the same time, the propeller is substa... | 06/27/1989 |
| 4834683 | Apparatus for reducing exhaust gas pressure in outboard and inboard/outboard motors A device for increasing the efficiency of operation of an internal combustion engine used in outboard and inboard/outboard motors comprised of a generally cylindrical member having inner and outer peripheral shell members defining a cylindrical annular sp... | 05/30/1989 |
| 4801281 | Line cutter for outboard, inboard/outboard, and trolling motors A device mounted in encircling relation to a propeller shaft. The device cuts lines, nets and weeds, thus preventing entanglement of the propeller and preventing entanglement damage which may result to the parts of the driven assembly of the outboard, inb... | 01/31/1989 |
| 4778419 | Reverse thrust propeller A marine propulsion device including a propeller shaft, a lower unit rotatably supporting the propeller shaft and including a lower unit exhaust passageway, and a propeller adapted to be submerged in water and including an inner hub connected to the prope... | 10/18/1988 |
| 4645422 | Anti-theft device for marine propellers An anti-theft device for a marine propeller has a spinnerplaced over the propeller nut which secures the propeller to the propeller shaft, and the spinner is held in place against unauthorized removal by a lock pin projecting from the propeller nut into a... | 02/24/1987 |
| 4604068 | Marine propulsion device lower unit including propeller bearing member anode A lower unit for a marine propulsion device, which lower unit comprises a drive shaft housing having a lower end, a gear case housing connected to the lower end of the drive shaft housing, a propeller shaft located in and extending axially through the gea... | 08/05/1986 |
