WO2009148377A1
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Drieng system with circulating gas
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WO2004041412A1
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Device for cleaning of gases from dust particles with or without ionisation and with dry, wet or both dry and wet dust catching
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SE9802684D0
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Recirculation system for condensation in boilers, used to supply boiler with water from condenser for cooling flue gases
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SE9700746D0
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Electrostatic separator for purifying flue gases
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SE9700571D0
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Recovery of heat from combustion gases
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SE9201790D0
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System for optimal use of heat pump - involves recovery of heat from one or more heat sources at different temp. levels
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SE8900660L
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Safe system for gas-oil transport and storage - uses tank inside heat-insulated steel casing
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