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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 |
| 8070860 | Pd menbrane having improved H-permeance, and method of making An H2-permeable membrane system (117) comprises an electroless-deposited plating (115) of Pd or Pd alloy on a porous support (110, 110′). The Pd plating comprises face-centered cubic crystals cumulatively having a morphology of hexa... | 12/06/2011 |
| 7871957 | Catalyst support of mixed cerium zirconium titanium oxide, including use and method of making A durable catalyst support/catalyst is capable of extended water gas shift operation under conditions of high temperature, pressure, and sulfur levels. The support is a homogeneous, nanocrystalline, mixed metal oxide of at least three metals, the first being cerium,... | 01/18/2011 |
| RE41821 | Control of multiple power plants at a site to provide a distributed resource in a utility grid A site management system (11) is provided for a power system (8) at site in a utility distribution grid (10). The power system (8) includes multiple fuel cell power plants, e.g., fuel cells, (18) and one or more loads (14),... | 10/12/2010 |
| 7655183 | Durable pd-based alloy and hydrogen generation membrane thereof A durable Pd-based alloy is used for a H2-selective membrane in a hydrogen generator, as in the fuel processor of a fuel cell plant. The Pd-based alloy includes Cu as a binary element, and further includes “X”, where “X” comprises at least one met... | 02/02/2010 |
| 7612011 | Ceria-based mixed-metal oxide structure, including method of making and use A homogeneous ceria-based mixed-metal oxide, useful as a catalyst support, a co-catalyst and/or a getter has a relatively large surface area per weight, typically exceeding 150 m2/g, a structure of nanocrystallites having diameters of less than 4 nm, and ... | 11/03/2009 |
| RE39710 | System for providing assured power to a critical load A power system (8) is provided for economically supplying uninterrupted electrical power to one or more critical loads (14). One or more fuel cell power plants (18) provide one substantially continuous source of power, and a utility grid (10 | 07/03/2007 |
| 7166263 | Ceria-based mixed-metal oxide structure, including method of making and use A homogeneous ceria-based mixed-metal oxide, useful as a catalyst support, a co-catalyst and/or a getter has a relatively large surface area per weight, typically exceeding 150 m2/g, a structure of nanocrystallites having diameters of less than 4 nm, and ... | 01/23/2007 |
| 7118820 | Method and apparatus for humidification control of an energy recovery device in a fuel cell power plant An arrangement is provided in a fuel cell power plant (10) for dispensing (58 74, 60, 64) a liquid medium, such as water (66), into a process oxidant (air) stream (53) that flows through one gas channel (42) in an energy recovery d... | 10/10/2006 |
| 7061139 | System for providing assured power to a critical load A first AC power source comprising a power plant (18), and a second power source, typically grid (10), are normally connected via a high speed isolation switching means (19) to provide sufficient AC power to a critical load (14). The powe... | 06/13/2006 |
| 7037612 | Moisture stabilization for a fuel cell power plant system An arrangement and process are provided for regulating the humidification or dew point of inlet air supplied (124, 224, 324, 424) to combustion-supported reaction means (20, 120) of a fuel processing system in a fuel cell power plant (110, 210, 310,... | 05/02/2006 |
| 7033557 | Method for removal of contaminants from a hydrogen processor feed stream, as in a fuel cell power plant Method and apparatus are provided for removing contaminants from a hydrogen processor feed stream, as in a fuel cell power plant (110). Inlet oxidant (38), typically air, required by a catalytic hydrogen processor (34) in a fuel processor (14... | 04/25/2006 |
| 7014933 | Cathode saturation arrangement for fuel cell power plant The heat from various portions of a fuel cell power plant (110) are redistributed in a manner allowing desired modification of/to the heat removal means (152,156), e. g., radiator (152), included in the coolant loop for the fuel cell stack assem... | 03/21/2006 |
| 6979505 | Method and apparatus for removal of contaminants from a hydrogen processor feed stream, as in a fuel cell power plant Method and apparatus are provided for removing contaminants from a hydrogen processor feed stream, as in a fuel cell power plant (110). Inlet oxidant (38), typically air, required by a catalytic hydrogen processor (34) in a fuel processor (14... | 12/27/2005 |
| 6932848 | High performance fuel processing system for fuel cell power plant A fuel processing system (FPS) (110) is provided for a fuel cell power plant (115) having a fuel cell stack assembly (CSA) (56). A water gas shift (WGS) reaction section (12, 120) of the FPS (110) reduces the concentration of carbo... | 08/23/2005 |
| 6890671 | Fuel mixing control for fuel cell power plants operating on multiple fuels Fuel mixing control arrangements are provided for fuel cell power plants (10) operating on multiple fuels (22, 24, 26). A fuel delivery system (16) supplies hydrogen-rich fuel (20) to the cell stack assembly (CSA) (12) after contro... | 05/10/2005 |
| 6821494 | Oxygen-assisted water gas shift reactor having a supported catalyst, and method for its use A shift converter, or reactor, (16HT, 16LT) in a fuel processing subsystem (14, 16HT, 16LT, 18), as for a fuel cell (12), uses an improved catalyst bed (34, 50) and the addition of oxygen (40, 40A, 40B, ... | 11/23/2004 |
| 6818336 | Fuel control for fuel-processor steam generation in low temperature fuel cell power plant A control method and arrangement (48, 50, 150, I, T, P, FFL) are provided in a fuel cell power plant (10) for regulating (48, FC) fuel flow to a steam-based fuel processing system (FPS) (14) associated with a low-temperature fuel cell sta... | 11/16/2004 |
| 6797421 | Method and apparatus for preventing water in fuel cell power plants from freezing during storage A keep warm system for a fuel cell, power plant (10), typically of the PEM type, prevents freeze-sensitive portions of the power plant, such as the cell stack assembly (CSA) (12) and the water management system (28, 30), from freezing under extr... | 09/28/2004 |
| 6757590 | Control of multiple fuel cell power plants at a site to provide a distributed resource in a utility grid A site management system (11) is provided for a power system (8) at site in a utility distribution grid (10). The power system (8) includes multiple fuel cell power plants (18) and one or more loads (14), for selective conne... | 06/29/2004 |
| 6656622 | Degasified PEM fuel cell system A system and method are provided for managing water coolant in a PEM fuel cell system's (10) coolant circuit (14). Gas-liquid separating apparatus (26) serves to efficiently transport liquid coolant containing gases, and to separate gases from the liquid ... | 12/02/2003 |
| 6649561 | Titania-coated honeycomb catalyst matrix for UV-photocatalytic oxidation of organic pollutants, and process for making A titania-coated honeycomb catalyst matrix is provided for the ultraviolet-photocatalytic oxidation of organic pollutants in a flowing fluid. A honeycomb-shaped skeletal structure (12) has a thin, lightweight substrate (18) of metal or ceramic, typically ... | 11/18/2003 |
| 6465910 | System for providing assured power to a critical load A power system (8) is provided for economically supplying uninterrupted electrical power to one or more critical loads (14). One or more fuel cell power plants (18) provide one substantially continuous source of power, and a utility grid (10) provides ano... | 10/15/2002 |
| 6455182 | Shift converter having an improved catalyst composition, and method for its use A shift converter (16) in a fuel processing subsystem (14, 16, 18) for a fuel cell (12) uses an improved catalyst composition (50) to reduce the amount of carbon monoxide in a process gas for the fuel cell (12). The catalyst composition (50) is a noble me... | 09/24/2002 |
| 6393354 | Predictive control arrangement for load-following fuel cell-powered applications A method and system are provided for controlling a fuel cell power plant (10). A demand signal (Mld) representing the anticipated current/power required by the electrical load(s) is provided. A current signal (Iap) representative of ... | 05/21/2002 |
| 6391485 | Method and apparatus for purging a fuel cell system with coolant A fuel cell power plant system (10) having a membrane/electrode assembly (MEA) (21,22,23) fuel cell stack (11) is provided with the method and means for inerting the MEA through use of the coolant to effect a purge. Under normal on load operation, fuel fl... | 05/21/2002 |
| 6379827 | Inerting a fuel cell with a wettable substrate A fuel cell system (10) having a membrane/electrode assembly (MEA) (16) is provided with the means and technique for quickly inerting the MEA without requiring a nitrogen purge. A first fine pore plate (14) is positioned at an anode side of the MEA and de... | 04/30/2002 |
| 6065569 | Virtually active elevator hitch A virtually active hitch system is provided for the damping of vertical oscillations of an elevator car during a semi-active hitch mode of operation along a relatively lengthy elevator travel path and for load leveling the elevator car during an active mo... | 05/23/2000 |
| 5697394 | Low observable engine air inlet system A turbine engine inlet system includes a duct 14 to deliver air to the engine, inlet lips 16 and 52 to smooth the entry of air flowing into the duct, a screen 50 between the lips 52 and 16 for passage of inlet air, a forward inlet section 18 submerged wit... | 12/16/1997 |
| 4737750 | Bistable electrical contactor arrangement A bistable electrical contactor employs a one-piece permanent magnet plunger operating in conjunction with an aligned pole piece and a pair of oppositely-wound coils to afford pulse-operated bistable operation of the associated contacts. The coils are wou... | 04/12/1988 |
| 4725948 | Heating appliance control system A control system for a heating appliance, such as a microwave oven, includes a display and electronic circuitry for controlling operation of the appliance and the display. One of the control operations involves the timing of an interval, such as a cooking... | 02/16/1988 |
| 4725801 | Bistable solenoid switch A bistable solenoid switch has a plunger and associated movable contact adapted for controlled reciprocation by a coil and bobbin assembly to either of two stable states not requiring sustained energization of the coil. The movable contact is biased towar... | 02/16/1988 |
| 4723368 | Display mounting arrangement A display element mounting arrangement provides a pair of display holders for frictionally-engaging and supporting an elongated display element at its opposite ends. The display holders are adapted to be mounted on and frictionally secured to a support me... | 02/09/1988 |
| 4724504 | Rapid turn-on, slow drop-out control arrangement An electrical equipment controller is provided with a delayed turn-off capability. A thermostat is in series with a control relay. The thermostat is further in parallel with the series combination of a relay latch contact and a first positive temperature ... | 02/09/1988 |
| 4717359 | Arrangement for securing electrical terminal in terminal holder An improved arrangement for retaining a terminal in a terminal holder includes providing a mounting opening through a wall of the terminal and provides a resilient snap-lock extending from the surface of a support member of the holder. The snap-lock exten... | 01/05/1988 |
| 4717356 | Electrical receptacle terminal An electrical receptacle terminal having a longitudinal body for receiving a pin terminal includes a bifurcated beam spring forming two spring arms. The two spring arms act independently to urge an inserted pin terminal into good electrical contact with a... | 01/05/1988 |
| 4711397 | Electromagnetic fuel injector having continuous flow path An electromagnetically operated fuel injection valve structured to include a housing having a fuel inlet opening, a fuel discharge opening and a fuel return opening, there being a continuous liquid path from the inlet opening to the return opening and an ... | 12/08/1987 |
| 4707726 | Heat sink mounting arrangement for a semiconductor An arrangement for mounting a packaged semiconductor with a heat sink includes the heat sink having a channel formed therein with a pair of opposed side walls and utilizes one or more spring beams acting against one side wall of the channel to urge the se... | 11/17/1987 |
| 4705943 | Rotational optical encoder having binary output A rotational binary output encoder comprises a housing (1) defining an enclosed space (12), a shaft (3) extending through an end wall (1b) of the housing into the space (12) and having mounted on the inner end thereof a transparent planar disc member (7) ... | 11/10/1987 |
| 4705997 | Bidirectional motor drive circuit A drive circuit is provided for a bidirectional DC inductive motor, as may be used for automotive window wipers and the like. Four power MOSFETS are connected in an H-bridge configuration with the motor and a DC source. A pair of input terminals receives ... | 11/10/1987 |
| 4706017 | Electrical current sensor A compact and inexpensive current sensor includes a planar coil assembly mounted, as by printing, on a substrate such as a circuit board. A closed-loop flux concentrator extends through the coil and also through the board. A conductor carrying the AC curr... | 11/10/1987 |
