Assignee

YAO QIHUAI

CN·2 granted patents·8 citations·filing 2011–2012

Technology mixB01D1 F01C1 F02B1 F03C1 F04C1 F25B1

Top patents by PatentIndex Score

2 records

0178US9017440B2Vortex device for separating cold gas and hot gasYAO QIHUAI·Filed 2012·Granted Apr 28, 2015·8 cites·8 claims
0233US9322272B2Planetary rotary type fluid motor or engine and compressor or pumpYAO QIHUAI·Filed 2011·Granted Apr 26, 2016·0 cites·20 claims

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