Patent applications and USPTO patent grants for Zhuang; Zhongping.The latest application filed is for "two-stage medium-pressure screw-type air compressor set".
| Two-stage medium-pressure screw-type air compressor set|
Grant 9,109,600 - Wu , et al. August 18, 2
| Two-stage Medium-pressure Screw-type Air Compressor Set|
App 20130129548 - Wu; Jiangwei ;   et al.
| Isolation of cellular material under microscopic visualization|
Grant 5,843,657 - Liotta , et al. December 1, 1