Inventor · disambiguated record
Donald Urwin
Also filed as: URWIN DONALD
3 granted patents·103 citations·filing 1975–1992
75Inventor score
Top patents by PatentIndex Score
3 records- 0190US4012338AProcess for manufacturing a carrier of titanium dioxideTIOXIDE GROUP LTD·Filed 1975·Granted Mar 15, 1977·54 cites·11 claims
- 0255US5308458ADestruction processTIOXIDE GROUP SERVICES LTD·Filed 1992·Granted May 3, 1994·30 cites·13 claims
- 0346US5163626ADestruction processTIOXIDE GROUP SERVICES LTD·Filed 1992·Granted Nov 17, 1992·19 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Donald Urwin 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 →