| Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852) |
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| 03/17/1981 | CA1097532A1 Range ventilator |
| 03/10/1981 | CA1097337A1 Device for the exchange of heat between supply air and exhaust air in indoor premises |
| 03/05/1981 | WO1981000616A1 Heat exchanger |
| 03/03/1981 | CA1096854A1 Heat exchanger device |
| 02/17/1981 | US4250917 Air flow reverser system |
| 01/27/1981 | CA1094542A1 Method and device for defrosting a heat exchange without impairment of its heat exchange efficiency |
| 01/13/1981 | US4244422 Method and device for defrosting heat exchanger without impairment of its heat exchange efficiency |
| 11/04/1980 | CA1088921A1 Heat recovery system |
| 10/21/1980 | US4228849 Apparatus for controlling relative gas flow rates through ducts |
| 10/16/1980 | WO1980002190A1 Method and arrangement for heat conditioning of buildings |
| 10/14/1980 | US4227378 Method and device for improving the efficiency of a heat generator |
| 10/07/1980 | CA1087143A1 Arrangement for transferring heat from the exhaust air leaving an enclosed volume to the input air supplied to said volume |
| 10/02/1980 | WO1980002064A1 A heat exchanger in plants for ventilating rooms or buildings |
| 09/16/1980 | US4222436 Heat exchange apparatus |
| 09/03/1980 | EP0014863A1 Continuous heat exchanger for a gaseous fluid |
| 07/22/1980 | CA1081978A1 Method and device for improving the efficiency of a heat generator |
| 06/03/1980 | CA1078820A1 Heat and moisture transferring system |
| 05/28/1980 | EP0011450A1 Air flow reverser apparatus |
| 04/29/1980 | US4200147 Device for the exchange of heat between supply air and exhaust air in indoor premises |
| 01/15/1980 | US4183398 Heating and air-conditioning system |
| 01/08/1980 | US4182403 Arrangement for transferring heat from the exhaust air leaving an enclosed volume to the input air supplied to said volume |
| 11/27/1979 | US4175614 Heat exchanger device |
| 10/23/1979 | US4171722 Heat recovery system |
| 10/16/1979 | CA1064260A1 Roof device for air-conditioning |
| 08/28/1979 | CA1061303A1 Heat recovery apparatus |
| 05/29/1979 | CA1055480A1 Ventilation system with thermal energy recovery |
| 04/24/1979 | CA1053221A1 Vertical counterflow heat exchanger apparatus |
| 04/17/1979 | US4149590 Roof device for air conditioning |
| 04/10/1979 | CA1052371A1 Heat recuperator structure |
| 03/06/1979 | US4142575 Run-around type energy recovery system |
| 02/13/1979 | CA1048490A1 Recuperator structure |
| 10/31/1978 | US4122834 Ventilating, cooling and heat reclaiming apparatus for cooking equipment |
| 10/10/1978 | US4119142 Arrangement for transferring heat from the exhaust air leaving an enclosed volume to the input air supplied to said volume |
| 08/29/1978 | US4109705 Heat exchange in ventilation installation |
| 07/18/1978 | US4100963 Heat exchange system |
| 01/31/1978 | US4071080 Air conditioning system |
| 12/27/1977 | US4064932 All climate heat exchanger unit with adjustable temperature and defrost control |
| 12/06/1977 | US4061186 Combined cooling and heat recovery system |
| 09/20/1977 | US4049404 Ventilation system with thermal energy recovery |
| 09/20/1977 | US4048811 Combination of air conditioner and ventilating unit provided with total heat exchanger assembly |
| 08/16/1977 | US4042018 Packaging for heat exchangers |
| 08/09/1977 | US4040804 Water permeable paper sheet |
| 08/09/1977 | US4040477 Heat recovery apparatus |
| 07/12/1977 | US4034801 Optimum environmental control system for a building |
| 01/04/1977 | US4000778 Temperature-control system with rotary heat exchangers |
| 12/28/1976 | US3999603 Heat recuperator structure |
| 11/16/1976 | US3991820 Recuperator structure |
| 11/09/1976 | US3990506 Heat exchanger |
| 09/14/1976 | US3980129 Heat exchange in ventilation installation |
| 08/10/1976 | US3973622 Temperature-control system with rotary heat exchangers |
| 07/20/1976 | US3969860 Thermal efficiency structure |
| 07/13/1976 | US3968833 Method for heat recovery in ventilation installations |