Sofame Technologies holds 5 Canadian patents and 4 American patents. Sofame is sole proprietary of two of these technologies.
- Air Heater and humidifier using Direct Contact heating principles and method of operation Canada 2,185,857 US 5,769,067 , 100% owned by Sofame
- Direct-contact water heater with "Hybrid" heat source (Hybrid Percomtherm) Canada 2,088,018 US 5,293,861
- Ultra-High efficiency Direct Contact high temperature water heater (Ultra Low Nox ) Canada 2,201,259 US 5,967,137
- Direct Contact Water heater with indirect Contact Section Canada 2,136,781 , 100% owned by Sofame
- Direct Contact Water heater with Dual Water Heating Chambers (Dual Water Heater) Canada 2,229,671 US 5,765,546