Inventor · disambiguated record
Roy G. Lewis
Also filed as: LEWIS ROY · LEWIS ROY G
5 granted patents·123 citations·filing 1984–2008
83Inventor score
Top patents by PatentIndex Score
5 records- 0191US4957714ASolvent extraction processHENKEL CORP·Filed 1988·Granted Sep 18, 1990·46 cites·17 claims
- 0287US4563256ASolvent extraction process for recovery of zincHENKEL CORP·Filed 1984·Granted Jan 7, 1986·34 cites·13 claims
- 0360USD623121SToolboxLEWIS ROY G·Filed 2008·Granted Sep 7, 2010·14 cites·1 claims
- 0458US6315871B1Method for forming diamonds from carbonaceous materialUS ENERGY·Filed 1999·Granted Nov 13, 2001·20 cites·20 claims
- 0556US4965054AProcess of extraction of gallium from aqueous solutions thereofHENKEL CORP·Filed 1989·Granted Oct 23, 1990·9 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Roy G. Lewis 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 →