Patents
Patents for F24J 3 - Other production or use of heat, not derived from combustion (4,775)
11/1995
11/27/1995CA2124364A1 Process and apparatus for radiation generation
11/16/1995WO1995030864A1 Facility for effecting energy exchange between the ground and an energy exchanger
11/15/1995EP0681676A1 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
11/15/1995EP0681559A1 Amorphous silica, its preparation and uses
11/09/1995DE19516644A1 Energy exchange installation for domestic properties
10/1995
10/25/1995EP0678633A2 Building made of several separate prefabricated concrete elements absorbing thermal energy
10/25/1995CN1110762A Method and apparatus for converting heat from geothermal liquid and geothermal steam to electric power
10/10/1995US5456082 Pin stack array for thermoacoustic energy conversion
09/1995
09/28/1995DE4322559A1 Convection warming appliance
09/20/1995CN1029795C Compressor assembly
09/08/1995WO1995023942A1 A method of and device for producing energy
09/07/1995DE4439251A1 Energy generation and material conversion system
08/1995
08/15/1995US5440882 Method and apparatus for converting heat from geothermal liquid and geothermal steam to electric power
08/09/1995EP0666454A1 An air conditioning/providing system directly through natural heat preserving main body
08/03/1995DE4403139A1 Submersed oil pump as heat producer
08/02/1995EP0664872A1 Heating process and device
07/1995
07/20/1995DE4401278A1 Plant growth medium prepared by rapid fermentation
06/1995
06/14/1995CN2200799Y Machine for pumping underground hot water
06/08/1995WO1995015466A1 Thermal extraction system and method
06/01/1995WO1995014896A1 Process and device for converting electric power into useful heat
05/1995
05/31/1995CN1103156A Air conditioning method and device using underground heat (cold)
05/30/1995US5419306 Apparatus for heating liquids
05/24/1995CN2198549Y 节能加温加湿盒 Energy-heated humidification box
05/18/1995WO1995013508A1 Apparatus for conversion of kinetic energy
05/18/1995DE4439491A1 Solar cell for electricity and heat generation
05/18/1995CA2176141A1 Apparatus for conversion of kinetic energy
05/16/1995US5415227 Method for well completions in horizontal wellbores in loosely consolidated formations
05/16/1995CA2135348A1 Method for completing a horizontal well
05/13/1995CA2103006A1 Container device for defrosting foodstuff
05/11/1995DE4415031C1 Hydrodynamic device as a heating generator for a motor vehicle
05/10/1995EP0652368A1 Method and apparatus for converting heat from geothermal liquid and geothermal steam to electric power
05/04/1995DE4336836A1 Method for obtaining heat and CO2 from a composting plant
04/1995
04/15/1995CA2104939A1 Ultrasonic fusion of deuterium and deuterium mixed with tritium 1:1, and deuterium compounds and tritium compounds
03/1995
03/30/1995DE4317281A1 Beam cannon
02/1995
02/28/1995US5392737 Friction heater
02/16/1995DE4341209C1 Heating system
02/14/1995US5388419 Staged cooling direct expansion geothermal heat pump
01/1995
01/31/1995US5385298 Apparatus for heating fluids
01/11/1995CN1097240A Geothermal power plant operating on high pressure geothermal fluid
01/11/1995CN1097239A Geothermal power plant operating on high pressure geothermal fluid
12/1994
12/13/1994US5372194 Method of and means for operating geothermal wells
12/13/1994US5372016 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
12/08/1994WO1994021889A3 Improvements in or relating to drilling and to the extraction of fluids
12/08/1994DE4319111A1 Method and arrangement for utilising geothermal energy for heating purposes
12/06/1994US5370182 Thermal extraction system and method
11/1994
11/24/1994WO1994027097A1 Heating process and device
11/24/1994DE4316748A1 Radiation disposal system for nuclear installations and other wastes and the disposal of complete installations, inter alia decommissioning
11/23/1994EP0625682A2 Power generation device/convector/materials converter/voltage distributor/motor by conversion light-heat
11/23/1994EP0625681A1 Heating process and apparatus
11/23/1994EP0625680A1 Heating process and apparatus
11/22/1994US5365703 Tar holder and associated roofing materials
11/19/1994CA2121525A1 Heating method and heating device
10/1994
10/24/1994CA2122100A1 Direct expansion heat pump
09/1994
09/29/1994WO1994021889A2 Improvements in or relating to drilling and to the extraction of fluids
09/29/1994CA2158637A1 Improvements in or relating to drilling and the extraction of fluids
09/21/1994EP0616182A2 Process for the transmission of heat energy
08/1994
08/30/1994US5341768 Apparatus for frictionally heating liquid
08/18/1994WO1994018510A1 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
08/18/1994WO1994018121A1 Amorphous silica, its preparation and uses
08/18/1994CA2155667A1 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
08/17/1994EP0610914A1 Apparatus for heating fluids
08/02/1994US5333679 Climate control system for motor vehicle
07/1994
07/26/1994US5332367 Automotive air conditioning apparatus
07/13/1994EP0352275B1 Reservoirs for media
07/12/1994US5327734 Passive-active thermosyphon
07/07/1994DE4322155A1 Energy generator using heat contained in light beam
06/1994
06/16/1994DE4312371A1 Light heat energy generator and convector - uses mass within air-tight converter brought into critical oscillation via light source
06/01/1994DE4324942A1 Lamp-heated energy prodn. and convector system with air flow control - releases internal stress of industrial waste or scrap materials to produce high temp. for water heating or evapn.
05/1994
05/31/1994US5315938 Heat accumulator
05/24/1994US5313804 Direct expansion geothermal heat pump
05/17/1994US5311741 Hybrid electric power generation
05/10/1994US5309980 Device for heat supply by conductive heat transfer
04/1994
04/28/1994DE4235844A1 Converting environmental heat into other energy forms - using potential gradients or vector potential gradients and only converting heat, even in closed system
03/1994
03/17/1994DE4326632A1 Energy producer and material converter using heat generated by light in convector system - has inclined, circulating hacking slots in container with steam drum and hot gas hoses
03/15/1994US5293929 Cooling apparatus for machine parts such as pump seals
02/1994
02/10/1994DE4325890A1 Vehicle air conditioning system - has pump and compressor with sealed chamber containing viscous fluid
02/09/1994EP0582118A1 Ground probe, distance piece and one-piece pile for ground probe, geothermal plant and method of manufacturing a geothermal plant
01/1994
01/18/1994US5279262 Mechanical liquid vaporizing waterbrake
12/1993
12/28/1993US5273635 Electrolytic heater
12/23/1993DE4320145A1 Air conditioning unit for vehicle - combines hydraulic motor and heat exchanger connected by flow control valve.
12/01/1993CN2148298Y Light-heat transforming device
10/1993
10/26/1993US5256301 Adjusting Ph of steam concentrate to within 2 Ph units of the brine concentrate, treating with air to oxidize sulfide ion to sulfate, mixing oxidized steam concentrate with brine concentrate, injecting into earth
10/19/1993US5253926 Process for making general use of the earth's heat and obtaining minerals in the zone of weakness (at depths of 13-30 km)
08/1993
08/31/1993US5240687 Corrosion resistance, demetallization
08/31/1993US5239948 Heat exchange system utilizing cavitating fluid
08/10/1993US5233801 Method of erecting the outer walls of a building, and a building
08/05/1993DE4202395A1 Water vortex brake to produce heat - is diverted to recoil energy using centrifugal force or spring power to regulate rotary speed
07/1993
07/13/1993US5226593 Method and means of heating space areas and objects
07/13/1993US5226408 Method and apparatus for heating a spa
07/13/1993CA1320055C Thermodynamic cyclic process
06/1993
06/10/1993CA2057527A1 Method and apparatus for heating a spa
06/09/1993EP0545022A1 Spacer means for insulating glazing
06/08/1993CA1318911C Device for heat transfer
06/03/1993DE4234367A1 Heat recovery and heat storage obtained from shutdown mines and brown coal pits - utilising underground and above ground parts of mines and after preparations and survey pipes are laid underground also pipe-rerouting stations with surface access
06/01/1993CA1318557C Non-water-sprinkling type snow melting method and system
05/1993
05/27/1993CA2082440A1 Spacing device for a transparent insulating arrangement
05/12/1993CN1072010A Heat pump heating and cooling system
04/1993
04/20/1993US5203173 Device for utilization of geothermal energy
04/06/1993CA1315667C Water warming method and apparatus therefor
04/01/1993DE4131989A1 Extraction of heat from below ground - involves deep situated heat-exchangers heating cold water supplied from surface subsequently pumped back up to ground level
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