Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24J - Production or use of heat not otherwise provided for › F24J 3 - Other production or use of heat, not derived from combustion
Patents for F24J 3 - Other production or use of heat, not derived from combustion (4,775)
08/1999
08/03/1999US5931153 Apparatus and method for generating heat
08/03/1999US5931122 Viscous fluid type heat generator with means for impeding degradation of the viscous fluid
08/03/1999CA2203415C Viscous heater
07/1999
07/21/1999CN1223368A Method and apparatus for generating pollution-free thermal energy by utilizing static electricity
07/20/1999CA2220890A1 System and method for recovery of waste heat from pipelines
07/13/1999CA2185092C Viscous fluid type heat generator
06/1999
06/29/1999US5915341 Viscous heater with shear force increasing means
06/22/1999US5914065 Apparatus and method for heating a fluid by induction heating
06/22/1999US5913306 Viscous fluid heater
06/16/1999EP0804709B1 Use of at least two wells to the extraction of geothermal energy
06/15/1999US5911684 System for geothermal production of electricity
06/15/1999US5911361 Viscous heater
06/10/1999DE19854725A1 Heater for motor vehicle
06/01/1999US5908010 Viscous fluid heater
05/1999
05/25/1999US5906177 Vehicle heating system
05/20/1999DE19739856A1 Heat energy extraction method
05/19/1999EP0916913A2 Process and apparatus for production of heat energy
05/18/1999US5904120 Viscous heater
05/12/1999DE19851546A1 Heater unit for motor vehicle
05/11/1999US5901670 Variable heat generation viscous fluid type heat generator
05/05/1999CN1215790A Matching technique for changing production well into geothermal exploitation well
05/04/1999US5899173 Viscous fluid heater
04/1999
04/27/1999US5897056 Heating apparatus for vehicle
04/27/1999US5896832 Viscous fluid heat generator
04/15/1999DE19846949A1 Air conditioning for electric vehicle
04/13/1999US5893342 Viscous fluid type heat generator with temperature sensor incorporated therein
03/1999
03/30/1999US5887582 Viscous fluid heater
03/30/1999US5887559 Heating device for vehicle
03/30/1999US5887551 Viscous fluid type heat generator with heat-generating performance changing ability
03/23/1999US5884839 Heating apparatus for vehicle having heat-generating unit
03/17/1999EP0901600A1 Continuous dryer with permanent magnets
03/16/1999US5881953 Viscous fluid type heat generator with heat generation increasing means
03/16/1999US5881712 Vehicle heaters
03/16/1999US5881711 Viscous heater
03/16/1999US5881683 Viscous fluid type heat generator with means for enhancing heat transfer efficiency
03/16/1999US5881682 Heat generator for automotive vehicles
03/11/1999WO1999011478A1 Heat generator
03/11/1999DE19840458A1 Vehicle heater
03/11/1999DE19840457A1 Vehicle heater
03/09/1999US5878951 Viscous fluid type heat generator with heat-generation performance changing ability
03/04/1999WO1999010971A1 Heating device
03/04/1999DE19736744A1 Insulated habitable cellar with integrated geothermal exchanger
03/04/1999DE19728637C1 Arrangement for heating a house using heat from the earth
03/03/1999CN1209532A Method for balancing extreme temp. indoor in the year by using temp. of water in middle of deep well
03/02/1999US5875742 Viscous fluid type heat generator with means for maintaining reliable heat-generating-performance
03/02/1999US5875741 Viscous fluid type heat generator with heat transmission enhancing means
03/02/1999US5875740 Viscous fluid type heat generator with variable heat-generating performance
02/1999
02/25/1999DE19820370A1 Heating device e.g. for eddy current brake
02/16/1999US5871149 Viscous fluid type heat generator
02/11/1999DE19835765A1 Vehicle heating viscous fluid-type generator
02/11/1999DE19835277A1 Heat generator for motor vehicle heating system
02/04/1999WO1999005416A1 Geothermal energy means and procedure
02/04/1999WO1999005415A1 Geothermal energy means and procedure
02/04/1999DE19834223A1 Vehicle heating device.
01/1999
01/27/1999CN1206097A Geothermal energy extracting method and equipment
01/13/1999EP0755498B1 Facility for effecting energy exchange between the ground and an energy exchanger
01/06/1999CN1204266A Heated respiratory conduit
12/1998
12/23/1998EP0853746A4 Method and apparatus for heating a liquid medium
12/23/1998EP0810898A4 Vaporizer and liquid delivery system using same
12/10/1998DE19825005A1 Vehicle heating device
12/08/1998US5845608 Variable capacity type viscous heater
12/02/1998CN2299286Y Complementary temp. regulating equipment for cold and hot weather
12/01/1998US5842636 Viscous fluid type heat generator
12/01/1998US5842635 Variable performance viscous fluid heater
11/1998
11/19/1998WO1998051974A1 Process and equipment for utilizing the vacuum energy in liquids
11/19/1998DE19820952A1 Variable capacity viscous heater for room interior
11/03/1998US5829676 Heating apparatus and method for vehicle
11/03/1998US5829675 Method and apparatus for controlling operation of auxiliary heating system of vehicle
10/1998
10/29/1998DE19818335A1 Fluid friction heater containing silicone oil
10/29/1998DE19818051A1 Heater using viscous fluid
10/29/1998DE19817779A1 Viscous-fluid-type heat-generator for cars
10/22/1998WO1998046970A2 Vortical device
10/22/1998WO1998046969A2 Vortical device
10/22/1998WO1998046945A2 Portable heating device
10/22/1998DE19817810A1 Viscous fluid-type heat generator with stabilising device
10/22/1998DE19817483A1 Vehicle heating apparatus in which viscous fluid is used
10/21/1998EP0871537A1 Methods and systems for heat transfer by unmixed combustion
10/13/1998US5819724 Friction heat developer
10/07/1998CN1195098A Elliptic cavity heating-cooling device
10/07/1998CN1195096A Multi-energy source water heater
10/06/1998US5816495 Heating apparatus for vehicle
10/06/1998US5816236 Viscous fluid type heat generator with an additional chamber for storing viscous fluid
10/01/1998DE19813212A1 Viscous fluid heater
10/01/1998DE19813050A1 Heater using viscous fluid
09/1998
09/23/1998CN1193717A Portable constant temperature warming bag and manufacture thereof
09/22/1998US5809992 Viscous fluid heater
09/16/1998EP0864825A2 Visous fluid type heat generator with means for enhancing heat transfer efficiency
09/16/1998EP0864068A1 Device and method for treating and producing fresh air
09/16/1998CN1193093A Optical refrigerating and heat-collecting method without energy-consumption and apparatus therefor
09/03/1998DE19715749C1 Ortsbewegliche Heizvorrichtung Portable heater
09/02/1998EP0862029A2 Fluid friction vehicle heaters
09/02/1998EP0862028A2 Viscous fluid heater
09/02/1998EP0862027A2 Viscous fluid type heat generator with heat transmission enhancing means
09/01/1998US5799619 Viscous fluid heater
08/1998
08/28/1998CA2230462A1 Fluid friction vehicle heaters
08/28/1998CA2230457A1 Parallel couette type viscous heater
08/27/1998DE19807957A1 Liquid frictional heater, e.g. for use in motor vehicles
08/27/1998DE19807955A1 Internal combustion engine heater installed in road vehicle
08/27/1998DE19708701A1 Heat supply system for central heating plants in buildings
08/26/1998CA2230466A1 Viscous fluid heater
1 ... 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48