Are DualSun panels patent-protected?


Yes we have 10 patent families (with 30 patents in total!) that protect the key innovations of the DualSun panels (in France, Europe, United States, China,…): 

DualSun SPRING4 panel

  • WO2023217423 (design of a metallic heat exchanger with fins),

  • FR2312095 (design of a metallic heat exchanger without fins),

DualSun SPRING3 panel

  • WO2017162993 (mechanical fixing with springs),

  • WO2016156764 (polypropylene heat exchanger),

  • FR1761819 (multiple fittings in a unique manifold pipe),

DualSun Wave panel

  • WO2013010922 (direct lamination for the Wave module),

  • WO2012069750 (stamped heat exchanger – stainless steel or polymer).


  • FR2312424 (design of a foldable and plugable panel).

>To go further : What are the certifications of DualSun panels?