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| Number | Title | Issue Date |
| 8126320 | Methods for preventing a dry fire condition and a water heater incorporating same Methods of determining the likelihood of the existence of a dry fire condition in a hot water heater without requiring energization of any of the heating elements are presented. Such methods utilize only the sensor inputs required for normal operation of the hot wat... | 02/28/2012 |
| 8094998 | Device for making a beverage, provided with a water boiler A device for making a predetermined quantity of a hot beverage includes a boiler chamber for heating water and a tubular heating element inside the boiler chamber near the bottom of the boiler chamber. A main portion of the tubular heating element extends along a he... | 01/10/2012 |
| 7978965 | Tank heating system The invention relates to a tank heater, especially for a urea tank of an internal combustion engine, comprising a housing (2) in which at least one PTC element is arranged, an electrical connecting cable (3, 4) that is joined to the PTC element so as t... | 07/12/2011 |
| 7706670 | Fluid-heating apparatus, circuit for heating a fluid, and method of operating the same A fluid-heating apparatus for heating a fluid and method of operating the same. The fluid-heating apparatus includes a heating element for heating a fluid surrounding the heating element and a control circuit connected to the heating element and connectable to a pow... | 04/27/2010 |
| 7639931 | Vertical water heater A vertical water heater includes a machine body installed therein with plural quartz heating tubes respectively composed of a quartz external tube having its opposite ends sealed and a quartz internal tube positioned in the quartz external tube. Each quartz internal... | 12/29/2009 |
| 7596306 | Combination water dispenser with heating mechanism A combination water dispenser with heating mechanism including a reservoir having an automatic inlet means for replenishing water into the reservoir and a controlled water outlet means for dispensing water from the reservoir. The reservoir includes a reservoir heati... | 09/29/2009 |
| 7319814 | Heat conducting assembly for a water heater, and method for making the heat conducting assembly In a heat conducting assembly for a water heater and a method for making the heat conducting assembly, there is provided a heat-conductive housing which has inner wall surfaces that cooperate to confine a sealed chamber. A heat-conductive unit is disposed in the sea... | 01/15/2008 |
| 7308193 | Non-metallic heating element for use in a fluid heater An electric fluid or water heater is shown in which the heat generation is accomplished by a non-metallic element. The heating element exploits properties of carbon black based polymers. These basic elements have both electrically conductive and electrically restive... | 12/11/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7257320 | Method and apparatus for operating an electric water heater A control system for an electric water heater having an upper heating element and a lower heating element includes a control module that controls operation of the electric water heater by selectively toggling the upper and lower heating elements between an ON state ... | 08/14/2007 |
| 7241974 | System and method of deactivating a fluid receptacle deicer A deicing system configured to heat fluid within a fluid receptacle to prevent ice from forming includes a sensing unit and a heating element. The sensing unit is configured to detect a change in at least one of capacitance and resistivity. The heating element is co... | 07/10/2007 |
| 7228066 | Variable flow spray system An improved method and apparatus for brewing a brewing substance. The apparatus including a liquid conduit (18) for supplying a brewing liquid, a liquid permeable container (28) for retaining the brewing substance and allowing the brewed liquid to pass... | 06/05/2007 |
| 7213541 | Steam generating method and apparatus for simulation test chambers A method and apparatus for providing steam for a test chamber is provided. The apparatus includes a heating element contained within a vessel which is fluid communication with an exterior reservoir wherein the heating element provides heat to generate steam from the... | 05/08/2007 |
| 7209651 | Fluid-heating apparatus, circuit for heating a fluid, and method of operating the same A fluid-heating apparatus for heating a fluid and method of operating the same. The fluid-heating apparatus includes a heating element for heating a fluid surrounding the heating element and a control circuit connected to the heating element and connectable to a pow... | 04/24/2007 |
| 7203418 | Electric water heater with hot water outlet dip tube An electric water heater including a water container; an element associated with the water container to heat water in the water container; a cold water inlet associated with the water container; a hot water outlet associated with the water container; and a dip tube ... | 04/10/2007 |
| 7195739 | Aromatic container heater An aromatic container heater and assembly adapted to enhance the release of desirable scent from an aromatic or fragrant candle by heating the exterior of a candle container and thereby melting the candle to release the desired scent. The heater includes a conductor... | 03/27/2007 |
| 7189947 | Oven temperature control A control system for controlling an appliance at a predetermined temperature. The control system comprises a sensor capable of providing a temperature signal representative of a temperature in the appliance and a controller capable of receiving the temperature signa... | 03/13/2007 |
| 7190886 | Instantaneous electric water heaters This invention relates to an electric water heater comprising one or more heating resistors and the means for supplying and controlling electric power supplied to the resistors. The heaters of the present invention are capable of heating incoming water to a desired ... | 03/13/2007 |
| 7187855 | Device for heating liquids and assembly for use in such a device The invention relates to a device for heating liquids, comprising: a first liquid container for liquid for heating, and a heating element connected to the first liquid container. The invention also relates to an assembly for use in such a device. Such a heating devi... | 03/06/2007 |
| 7167642 | Heating apparatus with removable container, such as for foodstuffs, and features for moderating heat flux to the removable container Apparatuses and methods for heating foodstuffs, or other contents sensitive to high heat flux, such as sauces and gravies, without sticking; so that watching and stirring of the foodstuff is not needed during heating. The novel apparatuses and methods provide such h... | 01/23/2007 |
| 7152593 | Ignition terminal An ignition terminal assembly including a serpentine conduction element having an end and a formed terminal connected to said end. ... | 12/26/2006 |
| 7130533 | Water heating apparatus and refrigerator having the same The present invention relates to a water heating apparatus having a heat exchanger that has a maximized heat transfer area between a hot water supply tube and a heater so that clean hot water is continuously fed without a time delay. To achieve these objects, a wate... | 10/31/2006 |
| 7020389 | Fuel heater with cam removal feature A fuel filter housing and fuel heater combination for a fuel-water separator includes, as part of the fuel filter housing, a heater-receiving bore and a protrusion adjacent the heater-receiving bore. The fuel heater is constructed and arranged for inserting into the... | 03/28/2006 |
| 7015432 | Water heater control system and method for controlling temperature with same A water heater control system is disclosed that can be programmed by a user to go on and off at predetermined times and maintain temperatures below normal usage temperatures. The water heater control system may also program itself based on usage of the hot water by ... | 03/21/2006 |
| 6998584 | System for output power control on electric heater drive Methods and systems are provided for controlling the output power to DC electric heater elements to reduce the input current ripple and to fine-tune the output power to meet the fine-tuning percentage requirement. In one embodiment, a method is performed for control... | 02/14/2006 |
| 6961531 | Refillable print cartridge and method of refilling A printer cartridge for an image forming apparatus includes a cartridge body having a refillable reservoir and a heater mechanism. The refillable reservoir is adapted to receive developer particles suspended in a fluid medium. The heater mechanism heats the refillab... | 11/01/2005 |
| 6944394 | Rapid response electric heat exchanger A fluid heat exchanger for use in a fluid heating system is disclosed that includes a rapidly heatable inside tube surrounded by a hollow outside tube for heating a fluid flowing between the inside tube and the outside tube for circulation through the fluid heating ... | 09/13/2005 |
| 6928236 | Aircraft galley A galley 1 has a main body 10 constructed of a panel material, and the galley main body 10 has a table 20, a sink 30, a storage compartment 40 and a service cart housing compartment 60. A hot-water supply unit 100 ... | 08/09/2005 |
| 6915733 | Preparation device and bag for infusible beverages and method for the preparation of the same This invention is a device for the production of beverages made by the addition of water as described, in particular brewed hot beverages, such as soups etc., and in particular tea or coffee, whereby the invention comprises a liquid tank and a movable screen basket ... | 07/12/2005 |
| 6898373 | Tank apparatus with open weave reinforcing patch structure A filament-wound tank portion of an electric water heater has a wall opening through which an electric heating element of other structure extends into the interior of the tank. The opening is reinforced by a stacked series of single layer, open weave patch members w... | 05/24/2005 |
| 6885816 | Water heater apparatus and associated manufacturing and insulation methods A foam dam in the insulation cavity of an electric water heater comprises a plastic bag into which liquid foam insulation is injected, the bag having an essentially closed top edge portion with only a small opening for receiving the injected insulation. A small port... | 04/26/2005 |
| 6847782 | Hot water dispensing system Hot water dispersing systems having a self-resetting heater control switch that prevents heater burn-up if the water tank becomes empty, and a variable volume expansion chamber having a flexible bladder that is designed to withstand a pressure of at least 300 pounds... | 01/25/2005 |
| 6786182 | Pressure control for household steam generator A household appliance for steam generation with a boiler containing a heating source for water vaporization intended to be partly immersed in water; a control means for adjusting the pressure valve of the steam in the boiler that operatively associated with the heat... | 09/07/2004 |
| 6779435 | Machine for American style coffee for use on aircraft A machine for in aircraft dispenses hot beverages, such as coffee, American-style coffee, and tea, as well as to dispense hot and cold water. The machine includes a hydralic circuit and an electrical circuit, and has a parallelepiped structure including a structural... | 08/24/2004 |
| 6744978 | Small diameter low watt density immersion heating element The present invention provides immersion heating elements, water heaters and methods for their fabrication and use. In the first embodiment of this invention, a resistance heating element is provided which includes a resistance heating material and an electrically i... | 06/01/2004 |
| 6612268 | Hot-water appliance with vacuum insulation, to be connected to the water main A hot-water appliance capable of resisting at least the pressure of the public water supply system, comprising at least one hot-water vessel with a supply conduit connectable to the public water supply system and a discharge conduit connectable to a draw-... | 09/02/2003 |
| 6539171 | Flexible spirally shaped heating element The present invention provides heating elements and methods for their fabrication and use. The heating elements of this invention include a spirally shaped structure having a plurality of spiral forms, and may contain a thermally conductive, electrically ... | 03/25/2003 |
| 6516142 | Internal heating element for pipes and tubes The heater includes a resistance heating element comprising a resistance heating wire having a pair of terminal ends connected to a pair of electrical connectors and encapsulated with a thin electrically insulating polymeric layer. The resistance heating ... | 02/04/2003 |
| 6516141 | Apparatus and method for protecting a heating tank assembly of a hot water dispenser A heating tank assembly for a hot water dispenser having a tank body, an electric heating element, a magnetic switch, and a movable float. The tank body has a plurality of walls and a main heating chamber for storing and heating water. At least a portion ... | 02/04/2003 |
| 6374046 | Proportional band temperature control for multiple heating elements A water heater having a water tank and multiple electric resistance heating elements extending into the water tank for heating water in the tank. The water heater includes a proportional band temperature controller for conducting electric power to the ele... | 04/16/2002 |
