Patents for F03G 7 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for (9,673)
07/1979
07/10/1979US4160624 Water vehicle-actuated air compressor and system therefor
06/1979
06/26/1979US4159427 Apparatus for utilizing natural energies
06/26/1979US4159426 Energy conversion system
06/05/1979US4157014 Differential pressure system for generating power
05/1979
05/08/1979US4152898 Energy transfer apparatus and method using geothermal brine
05/03/1979WO1979000228A1 Engine with contraction-active,ion-separating means
04/1979
04/24/1979US4151260 Hydrogen sulfide abatement in geothermal steam
04/24/1979US4150544 Engine
04/18/1979EP0001382A2 Methods and installations for producing utilisable energy and/or cold from heat
04/17/1979US4149385 Well stimulation and systems for recovering geothermal heat
04/17/1979US4149383 Internal vaporization engine
04/03/1979CA1051673A1 Apparatus for generating power using environmental temperature differentials
03/1979
03/27/1979US4145890 Energy generating device
03/22/1979WO1979000150A1 Elevating nutrient-rich ocean water
03/20/1979US4144715 Method of producing mechanical energy from geothermal fluids
03/13/1979US4143517 Thermal engine
03/06/1979US4142675 Three port thermal vacuum valve with electrical switch
02/1979
02/27/1979US4142108 Geothermal energy conversion system
02/13/1979US4138851 Apparatus and method of geothermal energy conversion
02/06/1979US4137720 Use of calcium halide-water as a heat extraction medium for energy recovery from hot rock systems
02/06/1979US4137719 Ketone and water
01/1979
01/23/1979US4135366 Valveless differential temperature engine
01/16/1979US4134265 Method and system for developing gas pressure to drive piston members
01/02/1979US4132077 Process and apparatus for obtaining useful energy from a body of liquid at moderate temperature
01/02/1979US4132075 Method of producing mechanical energy from geothermal brine
12/1978
12/26/1978US4130993 Method and apparatus for converting thermal energy to rotational energy
12/19/1978CA1044566A1 Method and apparatus for utilizing moving traffic for generating electricity and to produce other useful work
10/1978
10/31/1978US4123506 Utilization of impure steam contaminated with hydrogen sulfide
10/17/1978US4120158 Power conversion and systems for recovering geothermal heat
10/10/1978US4118934 Process and apparatus for transforming heat at a relatively low temperature into power or energy
10/03/1978US4117680 Continuous loop shape memory effect heat engine
09/1978
09/26/1978US4116009 Compliant underwater pipe system
09/19/1978US4115034 Vehicle-actuated air compressor and system therefor
09/19/1978US4114645 Directional valves with thermo-electric operators
09/19/1978US4114380 Traveling wave heat engine
09/12/1978US4112745 High temperature geothermal energy system
09/12/1978US4112687 Power source for subsea oil wells
08/1978
08/29/1978US4110628 Solar sea power system
08/29/1978US4110172 Solar energy collecting pond
08/29/1978CA1037326A1 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry
08/22/1978US4107987 Geothermal well pump performance sensing system and monitor therefor
08/08/1978US4104883 Mass transport heat exchanger method and apparatus for use in ocean thermal energy exchange power plants
08/01/1978US4104507 PTC heater for enhancing thermal actuator response
07/1978
07/25/1978US4102496 Thermal valve
07/25/1978US4102133 Multiple well dual fluid geothermal power cycle
07/18/1978US4100744 Installation for the production of energy which utilizes a source of heat or natural thermic differences in level
07/11/1978US4099384 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry
07/11/1978US4099381 Geothermal and solar integrated energy transport and conversion system
06/1978
06/20/1978US4095470 Thermal element and parts therefor and methods of making the same
06/06/1978US4092874 Actuator mechanism
06/06/1978CA1032425A1 Method and installations for energy production, storage, modulation and distribution
05/1978
05/30/1978US4091623 Geothermal actuated method of producing fresh water and electric power
05/16/1978US4089175 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
05/09/1978US4087975 Ocean thermal plant
05/09/1978US4087971 Devices and methods for converting heat energy to mechanical energy
05/02/1978US4086769 Compound memory engine
04/1978
04/18/1978US4084408 Method of recovering energy by means of a cyclic thermodynamic process
04/18/1978US4084379 Energy conversion system
04/11/1978US4083189 Open cycle method and apparatus for generating energy from ocean thermal gradients
03/1978
03/28/1978US4081224 Apparatus for compressing gas in response to vehicular traffic
03/21/1978US4079596 Heat engines and heat pumps
03/21/1978US4079590 Well stimulation and systems for recovering geothermal heat
03/21/1978US4079589 Electro-thermal actuator with valved boiler configuration
03/14/1978US4079263 Power producing system
03/14/1978US4078976 Solar potable water recovery and power generation from salinous water
03/14/1978US4078610 Low friction loss method for fracturing a subterranean geothermal earth formation
03/07/1978US4077220 Gravity head geothermal energy conversion system
02/1978
02/28/1978US4075847 Direct conversion of solar energy to mechanical energy
02/28/1978US4075846 Thermal engine with entrapped working medium
02/28/1978US4075845 Freeze/thaw power system
02/21/1978US4074526 Pressure source and systems incorporating it
02/07/1978US4072579 Power generation and potable water recovery from salinous water
01/1978
01/31/1978US4071114 Motion operated power apparatus
01/31/1978US4070859 Thermal fluid displacement actuator
01/17/1978US4068820 Valve
01/10/1978US4067539 Gas valve
12/1977
12/20/1977US4063418 Power producing system employing geothermally heated fluid
12/20/1977US4063417 Power generating system employing geothermally heated fluid
12/20/1977US4063416 Steam generator
12/13/1977US4062189 Method of preventing the accumulation of micro-organisms in thermal energy conversion systems
12/06/1977US4060988 Process for heating a fluid in a geothermal formation
11/1977
11/29/1977US4059959 Geothermal energy processing system with improved heat rejection
11/15/1977US4057964 Working fluids and systems for recovering geothermal or waste heat
11/01/1977US4055956 High torque solar motor
11/01/1977US4055955 Memory alloy heat engine and method of operation
11/01/1977US4055954 Damper actuator for a ventilation system
10/1977
10/18/1977US4054176 Multiple-completion geothermal energy production systems
10/18/1977US4054175 Geothermal power system
10/11/1977US4052858 Method and apparatus integrating water treatment and electrical power production
10/11/1977US4052857 Geothermal energy from salt formations
10/11/1977US4052849 Mechanical work generating means
10/04/1977US4051678 Thermal panel powered heat engine
10/04/1977US4051677 Multiple-completion geothermal energy production systems
08/1977
08/30/1977US4044830 Multiple-completion geothermal energy production systems
08/23/1977US4043386 Energy recovery from geothermal reservoirs
08/23/1977US4043129 High temperature geothermal energy system
08/16/1977US4041785 Mechanical drive system for a remote area
08/16/1977US4041707 Underwater thermal energy conversion unit
08/16/1977US4041706 Linear force generator and heat engine embodying same
08/16/1977US4041705 Low temperature engine
1 ... 86 87 88 89 90 91 92 93 94 95 96 97