Thank you so much!
I think I understand, but I do not really understand the meaning of "patent" .. What is copyrighted, if everything is similar, if part of the concept is used ..?

Thank you very much for your quick response! I wish I could glean more information on the rotor you attached, if it's roughly efficient and how it works, does it use wind drag force or lift like the Darrieux? I had trouble visualizing.

Hello to the whole community of this forum! Right now I would like to create a wind turbine in the shape of a ball, for an aesthetic aspect. So I didn't really find a system that suited me, so I was wondering if a system like the one I tried to reach you could possibly ...