Assignee
ZHANG SHENGEN
CN·2 granted patents·0 citations·filing 2012–2012
Top patents by PatentIndex Score
2 records- 0139US9796022B2Pollution-free method for recycling iron-based grinding wasteZHANG SHENGEN·Filed 2012·Granted Oct 24, 2017·0 cites·6 claims
- 0238US9689055B2Complete non-cyanogens wet process for green recycling of waste printed circuit boardZHANG SHENGEN·Filed 2012·Granted Jun 27, 2017·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when ZHANG SHENGEN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →