Solar cone water distillers have been around for awhile now. Whether they’ve been successfully marketed or deployed is another question. I wonder how different this design is from others. Any idea?
Here are some pictures of earlier solar cones: https://www.google.com/search?q=Solar+Water+cone&client=safari&rls=en&tbm=isch&tbo=u&source=univ&sa=X&ei=Dq4rUunvEMWq4APg4oHICw&ved=0CFIQsAQ&biw=1134&bih=623