| Patents for F01K 25 - Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for (4,827) |
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| 08/21/2003 | WO2003050393B1 Waste gas energy generator |
| 08/21/2003 | US20030154718 Method and system for a thermodynamic process for producing usable energy |
| 08/20/2003 | EP1336724A1 Exhaust heat utilization method for carbon dioxide recovery process |
| 08/20/2003 | CN1436987A Dual-purpose vacuum apparatus for industrial afterheat power generation and flue gas dust collection |
| 08/19/2003 | US6606860 Energy conversion method and system with enhanced heat engine |
| 08/14/2003 | US20030150403 Stratified vapor generator |
| 08/12/2003 | US6604364 Thermoacoustic cogeneration system |
| 08/07/2003 | US20030145594 Method and apparatus for converting dissipated heat to work energy |
| 08/05/2003 | US6601390 Method and apparatus for converting dissipated heat to work energy |
| 07/31/2003 | US20030140786 Exhaust heat utilization method for carbon dioxide recovery process |
| 07/29/2003 | US6598416 Fundaments and system for generating power and portable water |
| 07/29/2003 | US6598397 Integrated micro combined heat and power system |
| 07/24/2003 | US20030136126 Engines driven by liquified or compressed gas |
| 07/23/2003 | CN1432102A 发动机 Engine |
| 07/22/2003 | US6595006 Miniature reciprocating heat pumps and engines |
| 07/22/2003 | US6594997 Vapor engines utilizing closed loop fluorocarbon circuit for power generation |
| 07/16/2003 | EP1327111A1 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current |
| 07/01/2003 | US6584801 Absorption cycle with integrated heating system |
| 06/25/2003 | EP1015738B1 Retrofitting coal-fired power generation systems with hydrogen combustors |
| 06/24/2003 | US6581411 Plant for producing high pressure oxygen by air distillation |
| 06/24/2003 | US6581384 Cooling and heating apparatus and process utilizing waste heat and method of control |
| 06/19/2003 | WO2003050393A1 Waste gas energy generator |
| 06/19/2003 | US20030113602 Fuel preparation unit and method for preparing a fuel that contains hydrogen |
| 06/19/2003 | US20030110773 Generated system bottoming cycle |
| 06/18/2003 | EP1075588A4 Producing power from pressurized liquefied natural gas |
| 06/18/2003 | EP1066452A4 Producing power from liquefied natural gas |
| 06/05/2003 | US20030101732 Miniature reciprocating heat pumps and engines |
| 05/22/2003 | WO2003042505A2 Energy conversion method and system with enhanced heat engine |
| 05/07/2003 | EP1307641A1 Method for converting thermal energy into mechanical work |
| 05/07/2003 | EP1038094B1 Multistep steam power operating method for generating electric power in a cycle and device for the implementation thereof |
| 05/02/2003 | EP1306526A1 Power generator using hydrogen storage alloy and medium/low temperature heat |
| 05/02/2003 | EP1075630A4 Systems and methods for converting thermal energy |
| 04/30/2003 | CA2361948A1 Hydro-thermal turbine |
| 04/24/2003 | US20030074900 Energy conversion method and system with enhanced heat engine |
| 04/24/2003 | US20030074895 Seal and valve systems and methods for use in expanders and compressors of energy conversion systems |
| 04/17/2003 | WO2003031776A1 Vapor engines utilizing closed loop |
| 04/17/2003 | US20030070431 Vapor engines utilizing closed loop fluorocarbon circuit for power generation |
| 04/17/2003 | CA2462864A1 Vapor engines utilizing closed loop fluorocarbon circuit for power generation |
| 04/16/2003 | EP0812378B1 Preheated injection turbine cycle |
| 04/16/2003 | EP0805909B1 Hybrid two-phase turbine |
| 04/03/2003 | WO2003016680B1 Apparatus and method for a heat engine |
| 04/02/2003 | CN1407948A Hydrogen production from carbonaceous material |
| 04/01/2003 | US6539720 Generated system bottoming cycle |
| 03/13/2003 | US20030049139 Engine |
| 03/11/2003 | US6530226 Multistep steam power operating method for generating electric power in a cycle and device for the implementation thereof |
| 03/06/2003 | WO2002093722A3 Method of and apparatus for producing uninterruptible power |
| 03/05/2003 | EP1287246A1 Heat engines and associated methods of producing mechanical energy and their application to vehicles |
| 02/27/2003 | WO2003016804A2 Installation for high pressure oxygen production by means of air distillation |
| 02/27/2003 | WO2003016680A1 Apparatus and method for a heat engine |
| 02/25/2003 | US6523349 Clean air engines for transportation and other power applications |
| 02/20/2003 | WO2003014534A1 Integrated micro combined heat and power system |
| 02/20/2003 | US20030033832 Plant for producing high pressure oxygen by air distillation |
| 02/20/2003 | US20030033806 Apparatus and method for a heat engine field of the invention |
| 02/18/2003 | US6519942 Systems and methods for harvesting energy from direct iron-making off gases |
| 02/13/2003 | WO2003012260A2 Method and device for utilization of heat |
| 02/13/2003 | US20030029169 Integrated micro combined heat and power system |
| 02/05/2003 | CN1100933C Method and device for converting heat into useful energy using separating-closing return circuit |
| 01/30/2003 | WO2003008767A2 Mixed working fluid power system with incremental vapor generation |
| 01/23/2003 | WO2003006802A1 Rankine cycle device |
| 01/16/2003 | WO2003004835A1 Assembly of gas expansion elements and a method for operating said assembly |
| 01/16/2003 | CA2453017A1 Arrangement of gas expansion elements and method for operating the arrangement |
| 01/09/2003 | US20030005698 LNG regassification process and system |
| 01/08/2003 | EP0932748B1 Closed loop steam cooled steam turbine |
| 01/08/2003 | CN1098406C Power generating device employing hydrogen absorbing alloy and low heat |
| 01/02/2003 | US20030000213 Heat engine |
| 01/02/2003 | EP1269001A1 An engine |
| 01/02/2003 | EP1268984A2 High efficiency turbine |
| 12/27/2002 | WO2002103266A2 Cryogen production and thermoelectric solid-state electric power generation |
| 12/19/2002 | WO2002101206A1 Stratified vapor generator |
| 12/19/2002 | WO2002093722A9 Method of and apparatus for producing uninterruptible power |
| 12/19/2002 | WO2002079703A3 Miniature reciprocating heat pumps and engines |
| 12/18/2002 | CN1386157A Power generator using hydrogen storage alloy and medium/low temperature heat |
| 12/18/2002 | CN1385597A Closed circulation |
| 12/17/2002 | US6494251 Thermodynamic cycle using hydrostatic head for compression |
| 12/17/2002 | US6494042 Method of and apparatus for producing uninterruptible power |
| 12/12/2002 | WO2002099262A2 Cryogen production via a crogenic vapor driven power piston |
| 12/05/2002 | WO2002097252A1 Lng regasification process and system |
| 12/05/2002 | US20020178724 Cyrogen production via a cryogenic vapor driven power piston for use in a cryogenic vapor powered vehicle with rotary vane motors attached to the axles of the vehicle next to the vehicle's four wheels, using a heat source such as solar heat, heat of compression (heat pump or air compressor, etc.) or heat of friction (as formed by an electric generator), or chemical heat, or heat formed by electrical resistance, heat of combustion, etc. to generate high-pressure, high-kinetic energy cryogenic vapor |
| 11/28/2002 | CA2349117A1 Energy & diving equipment |
| 11/21/2002 | WO2002093722A2 Method of and apparatus for producing uninterruptible power |
| 11/20/2002 | EP1257733A1 Engines driven by liquified or compressed gas |
| 11/14/2002 | WO2002090747A2 Heat energy utilization system |
| 11/12/2002 | US6477841 Closed cycle power plant |
| 11/07/2002 | US20020162330 Power generating system |
| 11/07/2002 | DE10206701A1 Oxyhydrogen power plant has primary fuel tank containing hydrogen in a chemical bond with another substance and expelled by heat |
| 10/30/2002 | CN1377441A Fundaments and system for generating power and potable water |
| 10/24/2002 | DE10105350A1 Solar thermal power system has evaporation process for steam turbine plants running in day-night cycle in two working directions |
| 10/17/2002 | US20020148237 Miniature reciprocating heat pumps and engines |
| 10/10/2002 | WO2002079703A2 Miniature reciprocating heat pumps and engines |
| 10/09/2002 | CN1373287A Hydrogen engine, power driving system and driven vehicle |
| 10/02/2002 | EP0859940B1 Rotatable heat transfer apparatus |
| 09/26/2002 | US20020134085 Process for the operation of a gas turbine plant and related gas turbine plant |
| 09/19/2002 | WO2002073007A2 Power producing device |
| 09/18/2002 | EP1240100A1 Hydrogen production from carbonaceous material |
| 09/04/2002 | CN1090275C Method and device for covnerting thermal energy into useful form |
| 09/04/2002 | CN1090274C Bricks supporting for forming wall board and making method thereof |
| 08/29/2002 | DE10158512A1 Rückgewinnung von Wärme aus einem Brennstoffzellenabgas Recovering heat from a fuel cell exhaust gas |
| 08/22/2002 | WO2000032909A9 Ambient temperature sensitive heat engine cycle |
| 08/20/2002 | US6435484 Absorber |
| 08/20/2002 | US6434944 High efficiency turbine |