Inventor · disambiguated record
Chen Quan
Also filed as: QUAN CHEN · QUAN CHEN KE
1 granted patent·3 pending applications·0 citations·filing 2003–2011
8Inventor score
Top patents by PatentIndex Score
4 records- 0133US8724159B2Identifying a previously marked sheetFREDLUND JOHN RANDALL·Filed 2011·Granted May 13, 2014·0 cites·20 claims
- 0226US2013152806A1Sorting a media stack using a printerQUAN CHEN·Filed 2011·Application pending·0 cites
- 0317US2003230833A1Method of producing polyester filaments by heat drawing with hot tubesSINOPEC SHANGAI PETROCHEMICAL·Filed 2003·Application pending·0 cites
- 0417US2013155433A1Printing on a randomly ordered stack of mediaQUAN CHEN·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Chen Quan 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 →