Inventor · disambiguated record
Yifei Zhao
Also filed as: ZHAO YIFEI
4 granted patents·1 citations·filing 2008–2025
55Inventor score
Files withMETTLER TOLEDO SAFELINE LTD2TIANJIN PORT ENGINEERING INST CO LTD OF CCCC FIRST HARBOR ENGINEERING CO LTD1ZHAO YIFEI1
Top patents by PatentIndex Score
4 records- 0170US10895658B2Method for operating a metal detector and metal detectorMETTLER TOLEDO SAFELINE LTD·Filed 2020·Granted Jan 19, 2021·1 cites·20 claims
- 0250US12392609B2Methods for real-time deviation monitoring of miniature pipe roofing jacking pipe of spiral soil-dischargingTIANJIN PORT ENGINEERING INST CO LTD OF CCCC FIRST HARBOR ENGINEERING CO LTD·Filed 2025·Granted Aug 19, 2025·0 cites·6 claims
- 0343US10605946B2Metal detection apparatusMETTLER TOLEDO SAFELINE LTD·Filed 2017·Granted Mar 31, 2020·0 cites·15 claims
- 0427US8154266B2Bi-directional DC power circuitZHAO YIFEI·Filed 2008·Granted Apr 10, 2012·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Yifei Zhao 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 →