F03G 4 - Devices for producing mechanical power from geothermal energy

Patents for F03G 4 - Devices for producing mechanical power from geothermal energy (645)
01/1979
01/02/1979	US4132075 Method of producing mechanical energy from geothermal brine
10/1978
10/31/1978	US4123506 Utilization of impure steam contaminated with hydrogen sulfide
10/17/1978	US4120158 Power conversion and systems for recovering geothermal heat
09/1978
09/12/1978	US4112745 High temperature geothermal energy system
09/12/1978	US4112687 Power source for subsea oil wells
08/1978
08/29/1978	CA1037326A1 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry
08/22/1978	US4107987 Geothermal well pump performance sensing system and monitor therefor
07/1978
07/25/1978	US4102133 Multiple well dual fluid geothermal power cycle
07/11/1978	US4099384 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry
05/1978
05/30/1978	US4091623 Geothermal actuated method of producing fresh water and electric power
05/16/1978	US4089175 Process and system for recovery of energy from geothermal brines and other water containing sources by direct contact with a working fluid below the critical pressure
04/1978
04/18/1978	US4084379 Energy conversion system
03/1978
03/21/1978	US4079590 Well stimulation and systems for recovering geothermal heat
03/14/1978	US4078610 Low friction loss method for fracturing a subterranean geothermal earth formation
03/07/1978	US4077220 Gravity head geothermal energy conversion system
12/1977
12/20/1977	US4063418 Power producing system employing geothermally heated fluid
12/20/1977	US4063417 Power generating system employing geothermally heated fluid
12/06/1977	US4060988 Process for heating a fluid in a geothermal formation
11/1977
11/29/1977	US4059959 Geothermal energy processing system with improved heat rejection
11/15/1977	US4057964 Working fluids and systems for recovering geothermal or waste heat
10/1977
10/18/1977	US4054176 Multiple-completion geothermal energy production systems
10/18/1977	US4054175 Geothermal power system
10/11/1977	US4052857 Geothermal energy from salt formations
10/04/1977	US4051678 Thermal panel powered heat engine
10/04/1977	US4051677 Multiple-completion geothermal energy production systems
08/1977
08/30/1977	US4044830 Multiple-completion geothermal energy production systems
08/23/1977	US4043386 Energy recovery from geothermal reservoirs
08/23/1977	US4043129 High temperature geothermal energy system
06/1977
06/07/1977	US4027483 Device for converting internal energy of hot fluids to shaft work
05/1977
05/24/1977	US4025240 Geothermal energy control system and method
05/10/1977	US4023136 Borehole telemetry system
12/1976
12/07/1976	US3995428 Waste heat recovery system
11/1976
11/02/1976	US3988896 Geothermal energy pump and monitor system
11/02/1976	US3988895 Power generation from hot brines
10/1976
10/19/1976	US3986362 Geothermal power plant with intermediate superheating and simultaneous generation of thermal and electrical energy
08/1976
08/24/1976	US3975912 Geothermal dual energy transfer method and apparatus
08/03/1976	US3972193 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry
07/1976
07/06/1976	US3967448 Geothermal energy well casing seal
06/1976
06/08/1976	US3961866 Geothermal energy system heat exchanger and control apparatus
05/1976
05/18/1976	US3957108 Multiple-completion geothermal energy production systems
05/04/1976	US3953972 Geothermal energy recovery process
02/1976
02/24/1976	US3939659 Geothermal energy system fluid filter and control apparatus
02/17/1976	US3938592 Rock-exploitation method based on thermodynamic cycles utilizing in-situ energy source
02/17/1976	US3938334 Geothermal energy control system and method
01/1976
01/27/1976	US3935102 Geothermal power system and method

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