| Patents for F24J 3 - Other production or use of heat, not derived from combustion (4,775) |
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| 02/23/2005 | CN2681016Y Groundwater circulation refrigeration equipment |
| 02/23/2005 | CN1584440A Technology for preparing pure water and cooled air from cold seawater |
| 02/17/2005 | WO2005015095A1 Collector for connection to a heat pump |
| 02/17/2005 | WO2005015015A1 Method for production and conversion of energy into mechanical motion |
| 02/17/2005 | CA2531179A1 Collector for connection to a heat pump |
| 02/16/2005 | CN2679599Y Air conditioning system using heat pump and utilizing ground as heat source |
| 02/16/2005 | CN2679598Y Energy saving and environmental protection home air conditioner using ground temp water as medium |
| 02/15/2005 | US6855299 Stator defines a plurality of collider chambers and rotor, rotation of which induces cyclonic fluid flow patterns that increase the temperature, density, and pressure of the fluid |
| 02/09/2005 | CN2677829Y Geothermal heat collecting device |
| 02/02/2005 | EP1501645A2 Protective sleeve for threaded connections for expandable liner hanger |
| 02/02/2005 | CN2676108Y Geothermal utilization device |
| 02/02/2005 | CN1187882C Cooling of eddy current excitation braking device |
| 01/27/2005 | WO2005008147A1 Heating device |
| 01/19/2005 | CN2672568Y Energy storage type geo-heat pump system |
| 01/19/2005 | CN2672534Y Household central air conditioning system |
| 01/13/2005 | WO2005003648A1 A method of constructing a geothermal heat exchanger |
| 01/13/2005 | WO2005003641A2 Apparatus and method for heating fluids |
| 01/13/2005 | CA2532914A1 A method of constructing a geothermal heat exchanger |
| 01/12/2005 | CN2670809Y Seawater heat exchanging master of air conditioner |
| 01/12/2005 | CN2670808Y Natural temperature air conditioner apparatus |
| 01/12/2005 | CN2670806Y Two-purpose environmental protective energy-saving air-conditioner |
| 01/12/2005 | CN1563854A Urban integral air comditioning system using subsurface seawater as natural cooling source |
| 01/12/2005 | CN1563853A Variable depth and large diameter seawater sucking system |
| 01/11/2005 | US6841277 Method for operating a fuel cell plant and fuel cell plant |
| 01/11/2005 | US6839983 Heating oven for dynamo-electric machine component manufacture |
| 01/05/2005 | DE202004016506U1 Heat transmittor acts by vaporizing fluid refrigerating agent in ring-shaped vaporizer and uses integral capillary system for safe recirculation of oil |
| 01/05/2005 | CN2669065Y Residual (sensible) heat recovery hot-water type geothermal energy air conditioner |
| 01/05/2005 | CN1560541A Energy-saving air conditioner |
| 01/05/2005 | CN1560536A 生态环保空调 Eco-friendly air-conditioning |
| 12/30/2004 | DE202004014113U1 Concrete pile foundation for absorbing geothermal energy, contains corrugated sleeve pipe |
| 12/23/2004 | WO2004111559A1 Device for heating a coolant conveyed inside the circuit of a heat pump |
| 12/22/2004 | CN2665622Y Vertical soil heat exchanger |
| 12/22/2004 | CN2665621Y 地下式复合能量交换装置 Underground complex energy exchange unit |
| 12/16/2004 | US20040251690 Application of low-temperature and solid-state pyroelectric energy converter |
| 12/15/2004 | EP1486741A1 Energy pile |
| 12/09/2004 | DE10327602A1 Ground heating probe for obtaining heat energy to generate electricity, includes heating pipe having heating zone which is made up of flexible pipe body which can be coiled up |
| 12/08/2004 | EP1483538A1 Plant for tempering of a building |
| 12/08/2004 | CN2662157Y An underground water source full-liquid heat pump machine group |
| 12/02/2004 | US20040238163 Heat exchanger |
| 11/30/2004 | US6823820 Apparatus for heating fluids |
| 11/24/2004 | CN2658633Y Energy-saving enviornmental protection simple air conditioner |
| 11/24/2004 | CN1548831A Environment protection air conditioner without using any energy |
| 11/24/2004 | CN1177184C High-efficiency energy-saving earth temp. air conditioner |
| 11/24/2004 | CN1177183C Fresh air supplying central air conditioning system utilizing terrestrial heat for radiating cool and heat supply |
| 11/17/2004 | CN1546926A Alternate heating and refrigeration method of underground heat exchange system and underground heat exchanger thereof |
| 11/17/2004 | CN1546916A Well water refrigeration technology for air conditioner |
| 11/17/2004 | CN1546894A Laying method for erectly buried pipe of earth source heat pump |
| 11/17/2004 | CN1176332C Underground water central air conditioner |
| 11/17/2004 | CN1176331C Medical central air conditioner system |
| 11/17/2004 | CN1176328C Household central air conditioner system |
| 11/16/2004 | US6817375 Torsion generator |
| 11/11/2004 | WO2004097313A1 A single well type heat collecting system |
| 11/10/2004 | CN1545595A Molecular kinetic energy conversion device |
| 11/10/2004 | CN1175219C Compression-type geothermal refrigerating system driven by engine |
| 11/04/2004 | WO2004094765A2 Geothermal systems with improved control strategies |
| 11/03/2004 | CN1542388A Method for configuring heat source apparatus by utilizing heat energy in water |
| 11/03/2004 | CN1542385A U-shaped tubular geothermal heat exchanger |
| 11/03/2004 | CN1542384A Heat source installation by utilizing geothermal energy and method for configuring the installation |
| 11/03/2004 | CN1542383A Geothermal energy utilization arrangement |
| 11/03/2004 | CN1542382A Refrigeration and heating installation by utilizing natural resources and configuration method thereof |
| 11/03/2004 | CN1542381A Single well type heat collection apparatus |
| 11/03/2004 | CN1542357A Composite air-conditioning system of groundwater energy-storage and refrigeration unit |
| 11/03/2004 | CN1542228A Road surface thawing device |
| 11/03/2004 | CN1542226A Control method for a thawing device utilizing terrestrial heat |
| 10/28/2004 | US20040213668 Apparatus and method for heating fluids |
| 10/28/2004 | DE10317664B3 Process for inserting geothermal probe into an underground borehole comprises decoupling a hollow bore screw from, guiding the probe into the screw, removing the tip from the screw, removing the screw and introducing a filler |
| 10/27/2004 | EP1470380A1 Heat exchanger |
| 10/21/2004 | WO2004090435A2 Self-contained personal warming apparatus and method of warning |
| 10/21/2004 | US20040206085 Geothermal systems with improved control strategies |
| 10/21/2004 | US20040206084 Natural thermo-carrier heat release system |
| 10/21/2004 | CA2521401A1 Self-contained personal warming apparatus and method of warming |
| 10/20/2004 | EP1468226A1 Heat source or heat sink unit with thermal ground coupling |
| 10/20/2004 | EP1409870A4 Geothermal power generation |
| 10/20/2004 | CN2650029Y Radiation well water heat exchange water-returning device |
| 10/20/2004 | CN1538127A Heat exchange system using natural heat-accumulation mother body to recovery heat |
| 10/20/2004 | CN1538126A Heat releasing system using nutural heat-accumulaton mother body to generate heat convection |
| 10/13/2004 | CN2648330Y Environment protecting energy saving air conditioner |
| 10/07/2004 | US20040199231 Self-contained personal warming apparatus and method of warming |
| 10/07/2004 | US20040194916 Heat exchanger for recollecting waste heat |
| 10/07/2004 | US20040194909 Natural thermo carrier fluid exchange system for heat reclaim |
| 10/07/2004 | US20040194775 Apparatus and method for heating fluids |
| 10/06/2004 | CN2646629Y Automatic controlled geothermal water reinjection device |
| 10/06/2004 | CN2646628Y A highly effective underground heat exchanger rig |
| 10/06/2004 | CN2646600Y A novel air conditioner refrigerating system |
| 09/30/2004 | DE202004007567U1 Geothermal sonde of pipe and inside tube uses roll-up corrugated pipe or plastics forming annulus with metal inner tube with enclosed temperature compensator for heat exchange technology. |
| 09/30/2004 | DE10342920B3 Collector for using earth's temperature for heating/cooling, has collector line at level of lower third of foil trough/channel, filler consisting of material forming bearing layer |
| 09/30/2004 | DE10312137A1 Autonomous energy unit for single-family dwellings functions on sunless winter days/at night, irrespective of weather, provides current/heat, is independent of fossil energy media, climate-friendly |
| 09/29/2004 | EP1462736A1 Method of storing and abstracting heat and cold in or from an aquifer |
| 09/29/2004 | CN2644997Y High-performance heat energy generator |
| 09/29/2004 | CN2644957Y Air-conditioning plant by utilizing ground temperature |
| 09/22/2004 | CN2643251Y Horizontal gyrating type singlewell pumping heat exchanger rig |
| 09/22/2004 | CN2643250Y A geothermal air conditioner |
| 09/15/2004 | CN2641508Y Air conditioner utilizing cold water to cool air |
| 09/15/2004 | CN1529104A Underground water-containing layer energy-stroage air-return cooling (heating) air-conditioning system |
| 09/15/2004 | CN1529103A Enclosed pressure-bearing water-containg layer and energy-storage composite air-conditioning system |
| 09/08/2004 | EP1455148A2 Device for using geothermal heat |
| 09/08/2004 | CN2639772Y Practical earth temperature air conditioner |
| 09/07/2004 | US6788884 Space heating system |
| 09/02/2004 | US20040168716 Method for transforming energy and vortex tube for carrying out said method |
| 09/02/2004 | DE20306216U1 Earth probe guide foot for geothermal recovery unit consists of two interconnected guide members each with tubular guide bend forming cylinder section with flat end face at one end and cone point for insertion in drill hole at other end |