Hello,
This topic is somehow connected to aviation/aerospace as it touches airflow, so I am posting it here.
I am looking for a ribbon ceiling fan design as described here and in other websites.
https://newatlas.com/ribbon-ceiling-fan/15660/
http://inventorspot.com/articles/ribbon_ceiling_fan_cool_next_generation_cooler_44379
(The patent over this has been abandoned so there's no way to retreive it)
Thanks
It certainly looks cool but it has nothing to do with Aerospace industry trends. This is more of an industrial design issue.