Inventor · disambiguated record
Qihuai Yao
Also filed as: YAO QIHUAI
4 granted patents·8 citations·filing 2011–2016
59Inventor score
Top patents by PatentIndex Score
4 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
- 0329US10215025B2Rotation device and rotor compressor and fluid motor having the sameBEIJING ROSTAR TECH CO LTD·Filed 2014·Granted Feb 26, 2019·0 cites·20 claims
- 0424US11111918B2Rotary device, rotary system, and fluid machinery, to which press-actuated gate valve mechanism is appliedBEIJING ROSTAR TECH CO LTD·Filed 2016·Granted Sep 7, 2021·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →