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| Number | Title | Issue Date |
| 8041199 | Deicer covering system Certain embodiments of the present invention provide a deicer system for heating water within a fluid receptacle to prevent ice from forming. The system may include a main body configured to be positioned within the fluid receptacle, a heating element adapted to hea... | 10/18/2011 |
| 7949238 | Heating element for appliance An improved construction for a heating element for an appliance is disclosed. A coiled resistance wire extending coaxially along the length of an elongate sheath is surrounded by an electrically insulating, high thermally conductive material that fills the sheath ar... | 05/24/2011 |
| 7680400 | Systems and methods for smart deicers Certain embodiments of the present invention provide a deicer system for heating water within a fluid receptacle to prevent ice from forming, the system including a main body configured to be positioned within the fluid receptacle, a heating element adapted to heat ... | 03/16/2010 |
| 7613385 | Heating device for an electrical appliance A heating device is provided in a water passageway in a washing or rinsing machine and has a heating element in proximity with a sensor. In one embodiment, the heating element is mounted using a holder in an opening in a wall wherein the wall forms the water passage... | 11/03/2009 |
| 7439473 | Method and arrangement for supporting vertically depending electrical resistance elements A method of supporting vertically hanging electrical resistance elements for heating furnaces or ovens in industrial operations. Each resistance element includes current-conducting legs that extend downward and upward a number of times, and the element includes alon... | 10/21/2008 |
| 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 |
| 7326852 | String device A string device designed for, or combined with elements for, transfer of power and/or signals in applications of monitoring, control, communication, detection, measurement or power distribution. The device provides a passive structural core element and at least two ... | 02/05/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7012226 | Cartridge heater with a release coating A cartridge heater for mounting in the bore hole of a device to heat the device, having an improved release coating to facilitate the removal of the cartridge heater from the bore hole subsequent to operation at elevated temperatures, wherein the release coating is ... | 03/14/2006 |
| 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 |
| 6928237 | Fluid heating apparatus In a fluid heating apparatus, a heat protect temperature sensor indirectly detects temperature of fluid heated by an electric heater adjacent to the electric heater. Also, a heated fluid sensor detects the temperature of the fluid adjacent to a fluid inlet of a heat... | 08/09/2005 |
| 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 |
| 6723969 | Electrical heating elements for example made of silicon carbide An electrical resistance ceramic heating element comprises: a) three or more ceramic legs comprising regions of the element in which at least the majority of the electrical heating occurs (hot zones), at least one of the legs being effectively entirely a hot zone an... | 04/20/2004 |
| 6710310 | Heating element with integrated heat safety device The invention relates to armoured heating elements. The invention specifically relates to a heating device (1) consisting of a tubular envelope, wherein a heating element (4) surrounded by insulation (3) is arranged, said heating element (4 | 03/23/2004 |
| 6669784 | Gas processing apparatus for object to be processed A resistance heating element 33 for heating a wafer W is embedded within a ceramic heater 22 that forms a susceptor for a semiconductor wafer W to be processed, and power lines 35 from the resistance heating element 33 extend out of the processing chamber... | 12/30/2003 |
| 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 |
| 6611660 | Radial fin thermal transfer element and method of manufacturing same An electric heater element, that is injection overmolded with a thermally conductive polymer having a thermal conductivity of at least 3 W/m° K, includes surface enhancements to increase the overall outer surface area of the element that is in contact wi... | 08/26/2003 |
| 6600136 | Oil heater for engine of portable electric generator A system for heating fluid in an internal combustion engine. The system includes a portable universal battery pack having an output voltage of a specified voltage rating. Additionally, the system includes a receiving unit that is adapted to removably rece... | 07/29/2003 |
| 6584279 | Heater sealed with carbon wire heating element A heater sealed with carbon wire heating element has a carbon wire heating element sealed with a quartz glass member, the carbon wire being prepared by knitting carbon single fibers into a knitted cord of a braid, each wire having a crystal structure with... | 06/24/2003 |
| 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 |
| 6504998 | Structure of temperature-sensing tube for aquarium An improved temperature-sensing tube for an aquarium, includes a temperature-sensing tube, one end of a temperature sensitive switch made from two metal sheets if welded to a heat-sinking piece, the main body of the heat-sinking piece is formed coincident... | 01/07/2003 |
| 6459853 | Thermal control apparatus for high pressure product swivel In a fluid swivel with at least an outer housing and an inner housing, the temperature of both inner and outer housings are measured. When the temperature of the inner housing is greater than the temperature of the outer housing, a heating element elevate... | 10/01/2002 |
| 6372048 | Gas processing apparatus for object to be processed A resistance heating element 33 for heating a wafer W is embedded within a ceramic heater 22 that forms a susceptor for a semiconductor wafer W to be processed, and power lines 35 from the resistance heating element 33 extend out of the processing chamber... | 04/16/2002 |
| 6181874 | Heating element A heating element made of metal mesh through which electric current may be passed to heat fluid passing through the mesh. The mesh is made of intersecting metal wires defining apertures though which the fluid to be heated passes. These apertures are made ... | 01/30/2001 |
| 6157776 | Heated storage tank for grease recycling A system for storing grease in a storage tank for removal of spent grease from the storage tank. The storage tank includes a heating device which comprises a L-shaped tubular heating device having a heating element inserted into it, a non-flammable and pr... | 12/05/2000 |
| 6112013 | Apparatus for detecting a crack in a heater of an acid and rinse bath and a method of crack detection of the same A method and an apparatus for detecting the crack of a heater of an acid and rinse bath, acid and rinse bath is filled with acid solution, a heater is used to heat the acid solution. A heater is constituted of a hollow quartz tube with one closed end and ... | 08/29/2000 |
| 5978550 | water heating element with encapsulated bulkhead A water heating element (12) has an encapsulated bulkhead flange (16). The water heating element includes a heating coil (32) that is housed in an outer sheath (34). The bulkhead flange is secured onto the outer sheath at a sheath-to-bulkhead braze joint ... | 11/02/1999 |
| 5978549 | Method for processing heating wire of aquarium heater and aquarium heater made by the method A method for processing heating wire of aquarium heater and an aquarium heater made by the method. The method includes a step of prior to sealing the heating wire, coating the heating wire with a thin insulative voltage-resistant and heat-resistant layer,... | 11/02/1999 |
| 5943475 | Heating element for water heaters with scale control An improvement in electrical elements for a water heater includes a mass attached to the element for reducing the deposition of hard water scale on element surfaces, particularly in the return bend areas. In one embodiment, a flow accelerator tube enclose... | 08/24/1999 |
| 5933575 | Water heating appliance for hottub or spa A water heating appliance for use in a hottub or spa with said appliance consisting of an especially designed float-body with a safety shield which protrudes from the bottom of the body and also acts as a heating chamber, with an especially designed float... | 08/03/1999 |
| 5919386 | Purge management system for gas purged immersion heaters A purge manifold assembly, which can be used in a gas purged immersion heater, includes a housing having a vessel wall having an aperture extending therethrough. A purge manifold is located adjacent the vessel wall. The purge manifold includes an aperture... | 07/06/1999 |
| 5894541 | Electric heater assembly An electric heater assembly suitable for heating molten metal, the electric heater assembly having a sleeve comprised of a closed end suitable for immersing in the molten metal. The sleeve is fabricated from a composite material comprised of titanium allo... | 04/13/1999 |
| 5878192 | Heating element for water heaters with scale control An improvement in electrical elements for a water heater includes a mass attached to the element for reducing the deposition of hard water scale on element surfaces, particularly in the return bend areas. In one embodiment, a flow accelerator tube enclose... | 03/02/1999 |
| 5875283 | Purged grounded immersion heater An immersion heater for corrosive fluids includes an electrically resistive material strand operative upon connection to a source of power to provide heat. A thermally conductive electrically insulating fill material is disposed around the electrically re... | 02/23/1999 |
| 5850503 | Angled heat tube for use in a fluid storage tank A heating device for a fluid storage tank is provided. The heating device comprises a heat tube including first and second elongate hollow legs which are joined together at an angle relative to each other so as to enable fluid flow therebetween. The first... | 12/15/1998 |
