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| Application No. | Application Title | Issue Date |
| 20100187320 | METHODS AND SYSTEMS FOR RECOVERING AND REDISTRIBUTING HEAT The disclosed system includes heat exchangers to recover and redistribute heat from and within a building heating and ventilation system and/or a steam system. Certain implementations of the system enable hybrid heating systems that merge existing combustion-based heati... | 07/29/2010 |
| 20090224062 | Increased efficiency heating system method and apparatus for concrete production In a system wherein a fossil fuel fired burner heats incoming well or municipally supplied water to a temperature required for industrial concrete production, the exhaust gases produced by the burner are utilized to preheat the incoming water to an increased temperature... | 09/10/2009 |
| 20090090788 | CONTROL DEVICE FOR CONSERVING ENERGY OF A WATER HEATER A control device for conserving energy for heating water contained in a water heater (30) includes: an electronic detection device (21) for measuring the quantity of hot water remaining in the tank (2), the electronic d... | 04/09/2009 |
| 20090078783 | SECONDARY HEATING AND COOLING SYSTEM A heating and cooling system operates in a supplemental heating mode or a supplemental cooling mode. In supplemental heating mode, the system carries water from a hot water supply of the water heater to a heat exchanger within an air passage in the furnace to heat the b... | 03/26/2009 |
| 20090026281 | ENERGY CONSERVATION SYSTEM A hot water circuit (50) supplies water to a plurality of rooms (20) in a building from a central water source (22). Each room (20) has a dispenser (24) and an air conditioner (28) and a liquid heat exchanger (38). The ai... | 01/29/2009 |
| 20090008465 | COMBINED HEATING/WARM WATER SYSTEM FOR MOBILE APPLICATIONS Combined heating/warm water system (10) for mobile applications, having a warm water accumulator (12) with a recess (14), and a burner (16) which is arranged in the recess (14) of the warm water accumulator (16) for the combusti... | 01/08/2009 |
| 20080265046 | TANKLESS WATER HEATER HOT WATER RETURN SYSTEM A tankless return hot water return system to facilitate whole-house or whole-building hot water return recirculation used in conjunction with tankless water heaters. The system is designed to compensate for tankless head losses and to protect the tankless heat exchanger... | 10/30/2008 |
| 20080264490 | Methods and apparatus for heating air with hot water A method controls an air handler that generates heated air from hot water generated by a water heater. The method includes generating a signal in the presence or absence of an indicia of water flow associated with the water heater; initiating operation of a pump associa... | 10/30/2008 |
| 20080203179 | HOT WATER AND HEATING SYSTEM OPERATING ON THE BASIS OF RENEWABLE ENERGY CARRIERS The invention relates to a hot water and heating system, which operates on the basis of renewable energy carriers.... | 08/28/2008 |
| 20080197205 | TANK-TANKLESS WATER HEATER A tank-tankless water heater includes primary and secondary heat exchangers, and a combustor for the production of flue gases. In operation, water is first heated as the water and flue gases flow through primary heat exchanger. The water flows into the tank where it is ... | 08/21/2008 |
| 20080191046 | Boiler with an Adjacent Chamber and an Heliciodal Heat Exchanger Disclosed is a boiler for providing hot water to a heating system of a building and for simultaneously producing hot domestic water. This boiler comprises a heating tank provided with a water inlet and a water outlet through which water for use in the heating system cir... | 08/14/2008 |
| 20080173357 | STRUCTURED HOT WATER DEMAND FLOW CONTROL SYSTEM WITH ACCOMMODATION FOR THERMAL EXPANSION In a hot water system for providing intermittent hot water, a separate holding vessel is provided and disposed in a hot water line between a hot water source and a plumbing fixture for blending of incoming hot water with residual water in the vessel in order to decrease... | 07/24/2008 |
| 20080142609 | Domestic Water Heater and Method For Heating Water For Domestic Use The invention relates to a domestic water heating unit (10) for mobile applications, with a domestic water storage unit (12). The invention provides that the domestic water heating unit (10) has a fluid/domestic water heat exchanger (14), whe... | 06/19/2008 |
| 20080105217 | METHOD AND APPARATUS FOR MELTING SNOW AND ICE Disclosed in this invention is a method and device for de-icing, snow melting and thawing frozen ground. The invention is based on warm moisture-laden air that can be blown over the surface to be iced or thawed or it can be introduced into an enclosed area where de-icin... | 05/08/2008 |
| 20080029612 | HEAT EXCHANGE SYSTEM WITH STEAM TRAP PROTECTION An improved shell-and-tube steam instantaneous heat exchange system of a closely coupled feedback design which overheats water in the heat exchanger portion of the system and then blends the water, as needed, with proportional amounts of cold water to achieve the correc... | 02/07/2008 |
| 20080017724 | WATER HEATING DISTRIBUTION SYSTEM A water heating apparatus including a tank divided into first and second chambers, wherein water in the first and second chambers has first and second temperatures, respectively, a first outlet for supplying water from the first chamber, a first thermostat to measure th... | 01/24/2008 |
| 20070295826 | System For Delivering Warmed Fluids A fluid system is provided comprising: a heater having an inlet and an outlet; a storage vessel; storage vessel heating means for heating the fluid in the storage vessel; a mixing valve having a first inlet for receiving fluid to be heated from a fluid supply, a second ... | 12/27/2007 |
| 20070284454 | Secondary heating system A heating system operates in supplemental mode to carry water from a hot water supply of the water heater to a heat exchanger within an air passage in the furnace. A water return passage returns the water from the air passage back to the water heater. Air within the air... | 12/13/2007 |
| 20070257123 | STORAGE WATER HEATER To provide a storage water heater capable of increasing thermal efficiency and quickly boiling when tap water is supplied into a hot-water tank. A storage water heater 1 can heat low-temperature water having a high density because hot water in a hot-water tank 11/08/2007 | |
| 20070187521 | Modular heat distribution unit for hydronic heating systems A compact modular heat distribution unit for a hydronic heating system connects to a hot water source, to supply and return pipes that lead to heating zones of the building, and, optionally, to an indirect water heater. The module is preferably assembled off-site in a f... | 08/16/2007 |
| 20070181702 | Fluid preheating A heating system for preheating a fluid. The heating system comprises a heating unit with a heating flow path; wherein the heating unit is adapted to be operated at a first temperature and to provide a heat transfer between the heating unit and the fluid passing through... | 08/09/2007 |
| 20070170273 | System and method for producing on demand high temperature water A system and method for efficiently producing high flow rate on-demand hot water. The system utilizes on-demand hot water heaters, super heated water expansion tanks, and a high flow mixing valve. ... | 07/26/2007 |
| 20070170272 | Hydraulic header for a heating system A hydraulic header for a heating system includes a header housing having a vertical longitudinal axis in an installation position and a water chamber formed in an interior of the housing. A boiler inlet flow connection and a boiler return flow connection are provided at... | 07/26/2007 |
| 20070119962 | Heat exchange system An improved shell-and-tube steam instantaneous heat exchange system of a closely coupled feedback design which overheats water in the heat exchanger portion of the system and then blends the water, as needed, with proportional amounts of cold water to achieve the correc... | 05/31/2007 |
| 20070114297 | Thermal expansion bleed-off system In combination with a water piping arrangement having a backflow preventer and a water heater with a standard temperature-pressure relief valve, an auxiliary pressure-relief device is installed in the cold-water supply line to the water heater and this auxiliary relief ... | 05/24/2007 |
| 20070084942 | Domestic heat and power system This invention relates to domestic heat and power systems that allow efficient methods of operating a domestic combined heat and power (dchp) unit and to energy-efficient methods of scheduling domestic appliance operation within a household having a dchp unit. Dchp unit... | 04/19/2007 |
| 20070040042 | Device for dispensing a heated fluid and heating device therefor The invention relates to a device and method for dispensing a heated fluid and an external heating device. The device comprises a supply of fluid, a discharge connected to the supply for drawing off heated fluid, a feed for cold fluid connected to the supply, and the he... | 02/22/2007 |
| 20060102733 | Combustion air intake filter An air intake filter for a water heater including a frame structure including a screen, a connector and a receiver positioned to removably engage the connector to position the frame structure at or around an exterior circumferential portion of a water heater. ... | 05/18/2006 |
| 20060076428 | METHOD AND APPARATUS FOR ENHANCED HEAT RECOVERY FROM STEAM GENERATORS AND WATER HEATERS A heating system having a steam generator or water heater, at least one economizer, at least one condenser and at least one oxidant heater arranged in a manner so as to reduce the temperature and humidity of the exhaust gas (flue gas) stream and recover a major portion ... | 04/13/2006 |
| 20060022062 | On-cue hot-water circulator The current invention is an on-cue hot-water circulator. This device and method consists of an electronic control module, a manifold containing a check valve and/or a normally closed solenoid valve, a flow switch, and a high-performance pump (not a typical circulation p... | 02/02/2006 |
| 20060016401 | WATER HEATING CHAMBER SYSTEM A system that is used for converting polluted gases into a heat source for production of hot water. The system provides a combustion chamber, an incinerator chamber and mixing and/or water-heating chamber all of which are inline with each other and contained within appr... | 01/26/2006 |
| 20050284949 | Compact steam-fed heat exchange system A compact tank-less self-contained modular hot water supply system is provided for utilizing steam by-products from boiler systems for on-demand supply of temperature-controlled hot water in high volumes suitable for commercial applications. The modular system includes ... | 12/29/2005 |
| 20050156051 | Space heating and cooling An air handler operates alternately in (a) a heating state at times when air in a space in a building is at an actual temperature that is insufficient relative to a set temperature and (b) a non-heating state at times when the air in the space is at an actual temperatur... | 07/21/2005 |
| 20050077368 | Senor diagnostic for determining water heater health status A method and apparatus for determining a health status of a water heating device is disclosed. The water heating device may have a controller that incorporates logic to regulate the heater responsive to water temperatures detected at different areas within the water hea... | 04/14/2005 |
| 20050072853 | Installation for the preparation of hot water Disclosed is an installation for the preparation of hot water. The installation includes a cold water reservoir, a heating unit, a cold water pipe between the cold water reservoir and the heating unit, a draw-off point for drawing off hot water, a hot water pipe between... | 04/07/2005 |
| 20050006490 | COMBUSTION ENVIRONMENT CONTROL SYSTEM The present invention provides a system enabling the control of a combustion environment thereby adjusting the affect of ambient temperatures on the combustion quality on all modes of operation. The system can be described as a system for controlling a combustion enviro... | 01/13/2005 |
| 20050001047 | Energy efficient electric water heater system that provides immediate hot water at a point of use and a method therefor A water heater system that will provided immediate hot water to a point of use has a water storage container having an inlet coupled to a water pipe and an outlet coupled to a point of use fixture. A low current heating element is located within the water storage contai... | 01/06/2005 |
| 20050001046 | System and method for making hot water available in a domestic water installation and domestic water installation A method, system and device for making hot water available in a water-supply system is disclosed. The water-supply system includes a source of hot water, a hot-water line and one or more tap connections for hot water connected to the hot-water line. The method includes ... | 01/06/2005 |
