Inventor · disambiguated record
Qianshan Duan
Also filed as: DUAN QIANSHAN
2 granted patents·11 citations·filing 2002–2003
56Inventor score
Technology areasF25D
Files withQINGDAO RES INST OF HOME APPLI1
Top patents by PatentIndex Score
2 recordsJoin the waitlist — get patent alerts
Get an alert when Qianshan Duan 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 →