FYI US patent for vertical turbine just published by USPTO (May 24, 2012)

http://www.ipexl.com/en/patents/U2S/yunhe-den...26542.html

Published in name of Yatu Chairman Deng YunHe

He holds quite a few other patents, mostly with the China patent office.

http://www.patentmaps.com/inventor/Deng_Yunhe_1.html