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| Number | Title | Issue Date |
| 8041200 | Deicing system and method Certain embodiments of the present invention provide a deicing system configured to prevent ice from forming in a water containment vessel. The system includes a heating element configured to heat the water within the containment vessel, a first temperature sensor a... | 10/18/2011 |
| 7706671 | Multi-function liquid container A container is provided for heating or otherwise processing the contents of the container. For example, the container may be a kettle or kettle for heating fluids therein. The container may receive a command, desired characteristic or desired range for processing th... | 04/27/2010 |
| 7668445 | Apparatus and method for detecting condition of a heating element A control for an electric water heater detects a condition of a heating element when the heating element is not being energized. A switching module is operable to interrupt power to the heating element, which de-energizes the heating element. A detector module detec... | 02/23/2010 |
| 7373080 | Water heater and method of operating the same A storage-type water heater and method of operating the storage-type water heater. The water heater includes a water tank for storing water, at least one heating element to heat the stored water, a jacket surrounding at least a portion of the tank, and a control sys... | 05/13/2008 |
| 7355147 | Ice removal for a pond A floating ice removal device with a disk shaped upper cover, a disk shaped lower cover and a heat emitting cup. An electric circuit board is mounted on an inner bottom of the lower cover, and a helical heat emitting wire is mounted on the inner top surface of the u... | 04/08/2008 |
| 7293914 | Temperature detecting heater with indicating structure for aquarium A temperature detecting heater with an indicating structure for an aquarium, the temperature detecting heater mainly has an indicating structure including a control circuit and a two-color LED indicating lamp in its circuitry. After the temperature detecting heater ... | 11/13/2007 |
| 7263283 | Electronic thermostat for liquid heating apparatus An electronic thermostat (20) has a mechanical switch (22) and a solid-state switch (24). The electronic thermostat (20) is suitable for use in a liquid heating apparatus, such as a coffee maker or any other apparatus that dispenses heate... | 08/28/2007 |
| 7257321 | Device for heating liquids The invention relates to a device for heating liquids, comprising: a liquid container, at least one electrical heating element connected to the liquid container for heating liquid received in the liquid container, at least one boiling sensor connected to, the inner ... | 08/14/2007 |
| 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 |
| 7232137 | Beauty cart Disclosed is a beauty cart, which includes a wheeled cart body having racks at different elevations for holding devices and accessories for hairdressing, and a facial vaporizer installed in a vertical hollow holder frame of the wheeled cart body for producing steam ... | 06/19/2007 |
| 7220947 | Pipe heater A heater for heating elongated objects includes an elongated strip of flexible material having first and second ends and elongated opposite side edges defining a width therebetween. The strip of material comprises a fiber reinforced elastomeric material having at le... | 05/22/2007 |
| 7221862 | Control and method for operating an electric water heater A water heater control for an electric water heater operates according to at least one fixed hardware and/or software temperature limit and a variable software temperature limit. The control monitors a temperature of water in a tank of the electric water heater to d... | 05/22/2007 |
| 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 |
| 7205900 | Water detecting system and related method of portable electric device A water detecting system of a portable electric device comprises a housing, an electronic circuitry board, a battery electrically connected to the electronic circuitry board for providing electrical power to the electronic circuitry board, and at least one pair of e... | 04/17/2007 |
| 7162150 | Thermistor sensor probe with bimetal high limit control for electric water heater control A bracket operable to support a temperature control device and a sensor probe at an external surface of a water tank for controlling and monitoring the water temperature of the tank. The bracket comprises a first receptacle, a second receptacle, and a coupling featu... | 01/09/2007 |
| 7144473 | Evaporator for respirators and evaporation method The present invention relates to an evaporator for respirators, including a storage tank for a liquid, a gas intake flange and a gas outlet flange as well as an apparatus for heating the liquid, which is formed such that it can heat a small portion of the liquid and... | 12/05/2006 |
| 7103272 | Water heater and method of operating the same A storage-type water heater and method of operating the storage-type water heater. The water heater includes a water tank for storing water, at least one heating element to heat the stored water, a jacket surrounding at least a portion of the tank, and a control sys... | 09/05/2006 |
| 7099572 | Water heating system and method for detecting a dry fire condition for a heating element A water heating system has a tank, a heating element, a temperature sensor, and a controller. The heating element is mounted on the tank, and the temperature sensor is mounted on the heating element. The controller is coupled to the temperature sensor and is configu... | 08/29/2006 |
| 7084375 | Cookpot The present invention relates to a cooking appliance used for boiling or cooking food, or more particularly, to a cooking pot, which can rapidly heat water or food, and thereafter can suppress overflowing of water or food therein, while simultaneously maintaining it... | 08/01/2006 |
| 7085482 | Aquarium water heater An aquarium water heater includes a hollow heat-conducting internal tube with an electric resistance heater element and electrical connections disposed adjacent an outer surface of the hollow heat-conducting internal tube, a temperature thermal cut-out switch electr... | 08/01/2006 |
| 7049554 | Adjustable heater for aquaria An adjustable heater for aquaria, comprising a substantially tubular container (2) within which are housed an electrical heating element (3), a switch (6) comprising s fixed contacts (7, 8) and moving contacts (9, 10) and capable o... | 05/23/2006 |
| 7046923 | Immersion heater device for aquariums and the like An immersion heater device for aquariums and the like. The heater device has a casing which contains a heating element. The casing, at least in the region of a radiant zone of the heating element, includes a layered structure having at least one layer of metal mater... | 05/16/2006 |
| 7027724 | Water heater and method of operating the same A storage-type water heater and method of operating the storage-type water heater. The water heater includes a water tank for storing water, at least one heating element to heat the stored water, a jacket surrounding at least a portion of the tank, and a control sys... | 04/11/2006 |
| 7015430 | Automotive electric heater apparatus An electric heater apparatus for automobiles is disclosed. A sheathed heater (14a) constituting a heat generating member of a heater assembly (14) generates heat by power supplied from a main power supply for generating a DC high voltage through... | 03/21/2006 |
| 6957014 | Liquid heater A liquid heater comprising a plurality of storage compartments for containing liquid to be heated. The storage compartments being connected together in series and comprising at least a first end compartment for receiving liquid to be heated and a second end compartm... | 10/18/2005 |
| 6929067 | Heat sources with conductive material for in situ thermal processing of an oil shale formation The oil shale formation may be treated using an in situ thermal process. Heat may be provided to a section of the formation from one or more heat sources. A portion of a heat source may include conductive material. In some embodiments, the conductive portion may red... | 08/16/2005 |
| 6927368 | Method and apparatus for controlling power to a heater element using dual pulse width modulation control A method for controlling power to an electrical load using dual pulse width modulation (PWM) to minimize in-rush current to the electrical load, such as a heater element. An output from a power source, supplying an alternating current, is modulated by a first PWM co... | 08/09/2005 |
| 6915069 | Temperature sensor assembly, water heater including the temperature sensor assembly, and method of sensing a temperature A temperature sensor assembly and method for use in a water heater. The temperature sensor assembly includes a sensor disposed within a non-planar base that at least partially defines a volume, a collector coupled to the base, and a reflector coupled to the base suc... | 07/05/2005 |
| 6909842 | Instantaneous compact fluid heater A fluid heater including a reservoir, an inlet-conduit assembly and an outlet conduit. The reservoir contains fluid and includes heating elements. The inlet-conduit assembly is mounted to the reservoir and has an inlet-aperture and is in communication with the reser... | 06/21/2005 |
| 6658205 | Apparatus for adjusting temperature variation value correction of aquarium heating tube An apparatus for adjusting temperature variation value correction of an aquarium heating tube and particularly an apparatus that is capable of adjusting temperature variation correction of an aquarium heating tube according to use conditions of the aquari... | 12/02/2003 |
| 6633727 | Integrated heater and controller assembly An integrated heater and controller assembly for monitoring and controlling the heating of a process in a reservoir is disclosed. The assembly includes a heater, a coupling adapter, a control unit, and a temperature sensor. The heater attaches to the rese... | 10/14/2003 |
| 6584280 | Aquarium heater An improved aquarium heater and particularly an aquarium heater that has a protective device adjacent to an electric heating coil to cut off the electric circuit when the heater is overloaded to prevent the heating coil from continuously heating to avoid ... | 06/24/2003 |
| 6577817 | Water heater A pressureless electric water heater for domestic use having a cylindrical double-walled tank for holding a quantity of a heat transfer liquid such as water. Cold water enters a copper coil immersed in the heat transfer liquid. The heat transfer liquid is... | 06/10/2003 |
| 6560409 | Hot water heater stacking reduction control A control system for a hot water heater includes a reservoir for containing hot water, a cold water feed for the reservoir, a hot water exit for the reservoir and means for supplying energy to heat water in the reservoir. A temperature monitoring probe as... | 05/06/2003 |
| 6393213 | Thermostatic heater device for liquids, in particular for the water of aquariums A thermostatic heater device for liquids, in particular for the water of aquariums, comprising within a tubular casing: a rigid support (2) constructed of electrically insulating, heat-conducting material, at least one layer of electrically insulating, he... | 05/21/2002 |
| 6363218 | Liquid heater load control The invention relates to a device for controlling the power consumption of one or more electric resistance heating element in a vessel containing a heatable liquid, at least one inlet for receiving a liquid having a first temperature, at least one outlet ... | 03/26/2002 |
| 6282370 | Control system for bathers A control system for bathers includes an electronic controller which controls operation of an electric heater assembly connected in a water flow path for heating water. The heater assembly includes a heater housing and electric heater element. A solid sta... | 08/28/2001 |
| 6208806 | Electric water heater control A domestic water heater 10 includes a water meter 14 to count the units of water used each day and has a timer 17 to time the heating cycle each day. A programmable means 18 stores the water usage and heating data for a sixty day period and using statisti... | 03/27/2001 |
| 6205292 | Fluid heater A fluid heater has a fluid pipe through which a fluid flows. A radiant heating element is enclosed in a quartz mantle. The fluid pipe is concentrically arranged about the quartz mantle. A first temperature sensor is positioned at a section of the outer ci... | 03/20/2001 |
