Inventor · disambiguated record
John G. Powell
Also filed as: POWELL JOHN · POWELL JOHN G
7 granted patents·161 citations·filing 1983–2005
86Inventor score
Top patents by PatentIndex Score
7 records- 0194US8327631B2Air pollution control system for ocean-going vesselsCARO SAL·Filed 2005·Granted Dec 11, 2012·38 cites·23 claims
- 0290US7258710B2Maritime emissions control systemADVANCED CLEANUP TECHNOLOGIES·Filed 2004·Granted Aug 21, 2007·51 cites·35 claims
- 0387US7275366B2High thermal efficiency Selective Catalytic Reduction (SCR) systemADVANCED CLEANUP TECHNOLOGIES·Filed 2004·Granted Oct 2, 2007·50 cites·20 claims
- 0445US4649853ASirenSOUTHERN CALIFORNIA EDISON CO·Filed 1985·Granted Mar 17, 1987·12 cites·9 claims
- 0533US4558656ASirenSOUTHERN CALIFORNIA EDISON CO·Filed 1983·Granted Dec 17, 1985·3 cites·23 claims
- 0631US4807203ASirenSOUTHERN CALIFORNIA EDISON CO·Filed 1986·Granted Feb 21, 1989·4 cites·5 claims
- 0730US4615530AMethod of sealing between relatively movable componentsSOUTHERN CALIFORNIA EDISON CO·Filed 1985·Granted Oct 7, 1986·3 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when John G. Powell 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 →