Inventor · disambiguated record
Yunzhao Chen
Also filed as: CHEN YUNZHAO
2 granted patents·10 citations·filing 2014–2015
54Inventor score
Technology areasF16K
Files withKELAMAYI KING BULL INFORTEC PETROLEUM EQUIPMENT CO LTD1WUHU KING BULL INFORTEC PETROLEUM EQUIPMENT CO LTD1
Top patents by PatentIndex Score
2 records- 0176US9958074B2Valve seat ring and multi-way valve having valve seat ringKELAMAYI KING BULL INFORTEC PETROLEUM EQUIPMENT CO LTD·Filed 2014·Granted May 1, 2018·7 cites·8 claims
- 0268US10323756B2Multi-way valveWUHU KING BULL INFORTEC PETROLEUM EQUIPMENT CO LTD·Filed 2015·Granted Jun 18, 2019·3 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Yunzhao Chen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →