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| Number | Title | Issue Date |
| 7313322 | Electrical heating facility for the heating of liquid in a motor vehicle The invention describes an electrical heating facility for the heating of liquid, in particular of washing liquid of a window washing facility, in a motor vehicle, comprising a metallic housing (2) with a first end (3) for immersion in the liquid to be... | 12/25/2007 |
| 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 |
| 7114468 | Internal small volume storage water heater The invention concerns devices for water storage, heating and delivery. A storage water heater of the invention provides an amount of unmixed recently heated water from an internal small volume during a draw along with water from a main volume. When water is drawn f... | 10/03/2006 |
| 6993254 | Manifold and heater A manifold for supplying hot water to a heater such as a towel holder has a tubular outer body for mounting in a generally vertical disposition. The upper end of the outer body is closed off and an inner tube is mounted within the outer body, to communicate therewit... | 01/31/2006 |
| 6370328 | Water heating tank with thermosiphonic circulation for improved heat recovery rate An electric water heater has a vertically disposed tank with a cold water inlet, a hot water outlet and at least one horizontally disposed elongated immersion heating element extending into the region of the tank between an upper region and a lower region... | 04/09/2002 |
| 6295411 | Method and apparatus for preventing scale buildup on electric heating elements Scale buildup on the heating element of an electric water heater or industrial process boiler is minimized by directing one or more jets of incoming water or other fluid onto the heating element. Optionally the fluid is pretreated by the induced electric ... | 09/25/2001 |
| 6266485 | One-piece plastic tank and temperature control system for a hot water dispenser A hot water dispensing system comprises a one-piece plastic tank having a main heating chamber, an expansion chamber, and an air collection chamber. The air collection chamber is disposed generally below the expansion chamber and alongside the main heatin... | 07/24/2001 |
| 6256456 | Hot water dispenser with heat dissipation plates for dry-start protection The present invention presents a heat dissipating system for protecting a hot water tank dispenser from damage during a dry operation. The dispenser includes a hot water tank with a plastic wall. The hot water tank contains a heating element extending thr... | 07/03/2001 |
| 6237529 | Source for thermal physical vapor deposition of organic electroluminescent layers A thermal physical vapor deposition electroluminescent source includes a housing defining an enclosure having side walls and a bottom wall, the enclosure receiving solid organic electroluminescent material which can be vaporized, and the width of the hous... | 05/29/2001 |
| 6148146 | Water heater A hot water heater of a low profile, box-shaped design, with the height and width remaining generally constant, and the length being dependent on the volumetric capacity desired for the water heater. The water heater is configured for horizontal configura... | 11/14/2000 |
| 6123050 | Sanitary stainless steel heating system A sanitary fluid heater includes a corrosion resistant stainless steel housing, a stainless steel cap securely positioned over an open end of the housing, and a heating element disposed within the housing. The cap defines an internal cavity which includes... | 09/26/2000 |
| 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 |
| 5809941 | High efficiency hot water heater for recreational vehicles An economical high efficiency convenience hot water heater is provided for use in boats and recreational vehicles and the like. The hot water heater is designed to be powered by 12 V.D.C. with a low power consumption. The tank assembly incorporates 2 hori... | 09/22/1998 |
| 5712951 | Electric water heater with primary and secondary pre-heatng chambers An electric water heater including a control unit, and a heating unit having a water container and an electric heating coil inside the water container and being controlled by a control unit, wherein a perforated heat-conductive cylinder is mounted inside ... | 01/27/1998 |
| 5457767 | Water tank for heating water with oblique partition forming separate lime-precipitating and heating sections A water tank for heating water preferably in a vending machine for beverages comprises a feed-water inlet (2), a hot water outlet (3), as well as a heating member (4) for heating the water. The water tank (1) is divided into a heating section (21) includi... | 10/10/1995 |
| 5386100 | Control arrangement for immersion liquid heaters An electric immersion water heater comprises a vessel with a heating element having cold tail ends extending individually through a side wall of the vessel. Temperature sensing elements sense temperature levels of an outer wall of the heating element outw... | 01/31/1995 |
| 5092279 | Distribution baffle for hot water tank A hot water tank for heating water which includes means for transforming a high velocity jet of incoming cold water at the inlet of the tank to a piston for forcing hot water accumulated in the upper portion of the tank through the outlet, whereby turbule... | 03/03/1992 |
| 4777347 | Electric water heating tank with thermosiphonic circulation for improved heat recovery rate An electric water heater has a vertically disposed tank with a lower cold water inlet, an upper hot water outlet and at least one horizontally disposed elongated immersion heating element extending into the region of the tank between the inlet and the out... | 10/11/1988 |
| 4739728 | Thermal foil for water heaters and the like A hot water heater having a vertical, cylindrical tank with a top wall, means for heating water within the tank, a cold water inlet at the bottom and a hot water outlet at the top includes damping vanes associated with the top wall of the tank for foiling... | 04/26/1988 |
| 4632065 | Thermal baffle for water heaters and the like A hot water heater having a vertical, cylindrical tank with a curved top wall, means for heating water within the tank, a cold water inlet at the bottom and a hot water outlet at the top includes a baffle in the upper portion of the tank for foiling inter... | 12/30/1986 |
| 4587401 | Electric water heating appliance A heating appliance operable with a single heat source to heat both circulating water and water for domestic use includes an upright cylindrical reservoir containing water for household use and having an inlet at its lower end and an outlet at its upper e... | 05/06/1986 |
| 4578565 | Combined electric heating and water inlet/outlet assembly for water heating tanks A combined heating and water inlet/outlet assembly for installation in a bottom opening of a domestic water heater tank includes a plastic mounting flange adapted to cover the opening and a plastic open-top cylindrical sleeve extending upwardly therefrom ... | 03/25/1986 |
| 4514617 | Two-stage electric water heater A two-stage electric water heater adapted to store water at a comparatively low temperature and to heat the outflowing stored water to a desired higher temperature includes a storage vessel provided with an elongated thermostatically controlled electric r... | 04/30/1985 |
| 4506140 | Electric immersion heater assembly having an isolated terminal box An electric heater adapted to be extended through an aperture in a tank wall for immersion in a fluid to be heated includes an elongated heater block structure formed by a metal core cast in a tubular metal shell. The core has a plurality of axially exten... | 03/19/1985 |
| 4436058 | Hot water supply tank assembly A multiple fluid medium energy conversion system for a building which includes a radiant energy panel assembly connectable alternatively with a closed Brayton cycle closed air circuit or an open environmental air circuit, the open environmental air circui... | 03/13/1984 |
| 4403137 | Method of heating a body of liquid and a water heating unit for tanks utilizing such method For heating a body of liquid, such as water within a domestic water tank, there is provided an elongated hollow tube extending at an angle with respect to the vertical from the bottom to the upper region or level of the water. The tube is closed at its bo... | 09/06/1983 |
| 4282421 | Dual compartment electric water heater A domestic electric water heater includes inner and outer water heating compartments in thermal communication with each other and arranged for free thermal circulation of water therebetween. First and second electric heating elements, individually control... | 08/04/1981 |
| 4169558 | Water distribution chamber for an electric steam generator Horizontal damping elements are arranged in the water distribution chamber to damp out wave action in the water flowing to the individual compartments formed by vertical baffles. The damping elements may be integral with the baffles to form one-piece memb... | 10/02/1979 |
