Inventor · disambiguated record
Shujian Ma
Also filed as: MA SHUJIAN
2 granted patents·21 citations·filing 2000–2017
52Inventor score
Technology areasF04B
Top patents by PatentIndex Score
2 records- 0170US6450050B1Walking beam balanced span and moment regulating economized oil pump and a stroke regulating device of the sameNO 3 MACHINE TOOL PLANT OF THE·Filed 2000·Granted Sep 17, 2002·21 cites·4 claims
- 0223US10527034B2Digitized automatic control method for oil-pumping and digitized balance-shifting pumpjackXINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS·Filed 2017·Granted Jan 7, 2020·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Shujian Ma 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 →