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 |
| 8166760 | System and method for storing energy A system includes at least one body, a link for suspending the body for movement with gravity from a first elevation position to a second elevation position, and an electrical energy generator coupled with the body through the link to drive the generator to generate... | 05/01/2012 |
| 8146361 | Power generating apparatus A power-generating apparatus including an autocontrol electronic mechanical unit, a power-generating unit, a power transportation device, a liquid supply device, a shift device, and a discharge device. The power-generating unit includes a pair of interactive and cou... | 04/03/2012 |
| 7222487 | Portable electricity generating gravity driven wheel system A wheel assembly with tangentially attached fluid receptacles around the perimeter rotates to power a gravity driven fluid electricity generating assembly. A plunger pump assembly with a drive wheel powered by the wheel assembly pumps a quantity of fluid to fill a f... | 05/29/2007 |
| 7159396 | Fluid-operated power generating system A system and method for actuating a load by means of the conversion of hydraulic energy to reciprocating movement of a piston assembly within a chamber. The piston assembly includes a float, and the fluid within the chamber is alternately withdrawn into fluid convey... | 01/09/2007 |
| 7134283 | Sealed shaft gravity buoyancy energy system and method of use thereof A sealed-shaft gravity-buoyancy energy system and method of use thereof, wherein a wheel is powered by ball masses which fall under gravitational force, thereby causing the wheel to rotate. The ball masses are collected and inserted into a fluid shaft, wherein the f... | 11/14/2006 |
| 7062914 | Heat engines and associated methods of producing mechanical energy and their application to vehicles A closed cycle gas turbine system (40) comprising system comprising a compressor (52) for producing compressed gas, a gas turbine (42) for receiving the compressed gas, a heat storage means (44) having a first heat transfer means and adap... | 06/20/2006 |
| 6981376 | Apparatus for converting gravitational energy to electrical energy The present invention discloses an apparatus of converting gravitational energy to electrical energy. The apparatus includes a reciprocating drive mechanism for lifting liquid from a bottom reservoir to an upper reservoir and turbines between the upper and lower res... | 01/03/2006 |
| 6922998 | Apparatus and method for a heat engine A heat engine includes a plurality of heating side expansion chambers and cooling side expansion chambers, positioned on opposite sides of an axis, for providing rotation of an apparatus about its axis when the fluids inside the chambers expand and contract on the s... | 08/02/2005 |
| 6920757 | Water displacement apparatus A water displacement apparatus is provided which uses the heat from the sun to displace water from a water collection means. The water collection means has a water container member which may be partially submerged in a water reservoir, or connected to a remote reser... | 07/26/2005 |
| 6817180 | Gravity as a source of renewable energy The invention discloses a portable hydroelectric apparatus which converts the kinetic energy of water caused by gravity into electrical energy. This conversion is accomplished without the presence of a river or stream. A new type of buoyancy motor is disclosed which... | 11/16/2004 |
| 6764275 | Fluid displacement rotational assembly A fluid displacement rotational assembly includes a frame, a support structure supporting the frame for rotating an axle connected to the frame, chamber members coupled to the frame and each chamber member being arranged diametrically opposed by an associated one of... | 07/20/2004 |
| 6009707 | Buoyancy driven energy producing device An apparatus and method are provided for generating energy from a source of pressurized fluid by harnessing buoyancy and/or gravitational forces. The apparatus includes at least one container having an inlet port on a top side for receiving the pressurize... | 01/04/2000 |
| 5970712 | Combined material conveyor and electrical power generating system A combined material conveyor and electrical generation system is disclosed. The invention may be used to provide electrical energy to a remote location through which the material conveyor passes and/or harness energy which would normally be dissipated in ... | 10/26/1999 |
| 5905312 | Gravity generating system The present invention provides a system generating electricity by gravity. This system includes a plurality of tanks mounted on a circulating device. When the tanks receive the working medium descending from a higher place by gravity, the circulating devi... | 05/18/1999 |
| 5873249 | Energy generating system using differential elevation A system generates energy using the difference in elevation between an upper elevation (e.g., at the top of a mountain) and a lower one (e.g., at or near the bottom of the mountain.) In one embodiment, the system includes a compressor located at the upper... | 02/23/1999 |
| 4930993 | Energy regenerative apparatus for a water hammer type pump An energy regenerative apparatus for a water hammer type pump includes a water hammer type pump and an engergy regenerative apparatus. The water hammer type pump includes a reservoir which is connected to a pump body by a pipe. A pressure tank is fixed on... | 06/05/1990 |
| 4838025 | Hydraulic motor with buoyant tubular members A hydraulic motor comprises at least two tanks each having an arrangement of upper and lower telescoped, relatively reciprocating tubular members. The lower tubular member extends from the bottom of the tank, the upper tubular member being guided during r... | 06/13/1989 |
| 4750333 | Integrated mine cooling and water conditioning system A method and apparatus for cooling an aqueous liquid at ground level, by a refrigeration system which rejects heat, to produce an aqueous ice slurry of ice crystals in the aqueous liquid; and (A) feeding some of the aqueous ice slurry from ground level to... | 06/14/1988 |
| 4583368 | Water-powered hydraulic motor A hydraulic power system for operating a rotary-hydraulic motor includes a pair of hydraulic piston/cylinder assemblies each disposed in vertical disposition below a common water source and having cylinder heads interconnected by hydraulic delivery and su... | 04/22/1986 |
| 4538415 | Potential energy accumulating system using multiple types of energy input This potential energy accumulating system is of the type adapted to harness multiple sources of energy, including those of non-variable input such as from fuel and those of variable input, such as from the wind, the sun, the geothermal steam, animal power... | 09/03/1985 |
| 4440427 | Resource efficient water power prime mover The invention details a water wheel employing free-swinging buckets pivotally supported at the radial extremity of twelve spokes of the wheel. The buckets become captive in the load position at the top of the wheel, providing for controlled filling charac... | 04/03/1984 |
| 4385497 | Propulsion system for water wheel A propulsion system for a water wheel of the type having a plurality of pontoons interconnected in diametrically opposed pairs by means of spokes which are slidably carried by the water wheel so that the pontoons on the downwardly moving side of the water... | 05/31/1983 |
| 4372123 | Thermal-gravity engine A thermal-gravity engine is driven by a changing of the temperature of a vaporizable working fluid (55) in a closed-loop fluid system and the force of gravity operates on a reciprocating lever (12). One or more weight chambers (21), a storage chamber (24)... | 02/08/1983 |
| 4317046 | Energy producing apparatus and method Energy producing apparatus comprising an imbalance wheel mounted for energy producing rotation about a substantially horizontal axis, and which is substantially in rotational balance and defines at least two peripherally located and substantially equally ... | 02/23/1982 |
| 4309154 | Pumps operated by the rise and fall of water A pumping system uses flowing water to operate a pump or pumps intermittently, each pump having a vertically expansible chamber established by piston and cylinder members of which one is fixed and the other float supported. Each pump chamber is filled and... | 01/05/1982 |
| 4296602 | Apparatus for extracting energy from water waves Apparatus for extracting energy from water waves includes an elongate water wheel mounted rotatably so that at least a portion of the wheel is above the level of the water, and a ramp extending substantially the length of the wheel to shield the wave side... | 10/27/1981 |
| 4286928 | Pumping unit A pumping unit for removing oil or the like from a well. The unit comprises a tower, a sump at the bottom of the tower and a reservoir at an elevation above the sump. A liquid, such as oil or water, is pumped from the sump up to the reservoir. A wheel is ... | 09/01/1981 |
| 4201059 | Hybrid energy convertor An arrangement of constructual elements used for the conversion of fluctuating natural energy and generation of constant rotary speed of a power-producing machine or motor, electric or otherwise, by way of free-falling masses in the place of commonly used... | 05/06/1980 |
| 4167367 | Impact turbine A water collecting reservoir, desirably located at a considerable elevation, is constructed and arranged periodically to deliver water downward to an annular generator chamber which includes a fixed outer circular shell and a complementary, inner rotary s... | 09/11/1979 |
| 4151719 | Water power apparatus A water motor has an endless series of buckets arranged for movement about a generally rectangular path of travel to present an uppermost, horizontal, loading flight whereby each bucket may be completely filled with water from an overlying basin prior to ... | 05/01/1979 |
| 4112686 | Method and apparatus for harnessing the power of moving water A method and apparatus of harnessing the power of water in a moving body of water, e.g., a river or stream, wherein such waters are utilized to successively fill containers to effect a displacement thereof and which displacement is translated into rotatio... | 09/12/1978 |
| 4100743 | Gravity engine A gravity engine converts one form of energy into another by using the expansion of a fluid medium to propel each of a plurality of bodies upwardly within one of a pair of adjacent vertical passageways. The expansion of a gas, such as steam supplied from ... | 07/18/1978 |
| 4052856 | Method and apparatus for harnessing the power of moving water A method and apparatus of harnessing the power of water in a moving body of water, e.g., a river or stream, wherein such waters are utilized to successively fill containers to effect a displacement thereof and which displacement is translated into rotatio... | 10/11/1977 |
| 3984698 | Waterwheel driven electrical generator An electrical generator system including a waterwheel apparatus as a prime mover. The waterwheel apparatus as a plurality of pivoted buckets mounted in circumferentially spaced relation around a central hub and having an outer rim provided with a ring gea... | 10/05/1976 |
| 3983704 | Solar operated thermodynamic drive A liquid-tight fluid container forming a primary chamber is provided with a vertical standpipe communicating, at its depending end, with the bottom area of the primary chamber and communicating with an elevated tank and chamber, at its upper end, in verti... | 10/05/1976 |
| 3958130 | Hydroelectric generating system A hydroelectric generating unit includes a generator shaft about which buckets are pivotally mounted on a common carrier for travel in a common path at equal angular intervals. The bucket carrier is fast on the shaft. Water flow control means, located abo... | 05/18/1976 |