Inventor · disambiguated record
Ewing Johnson
Also filed as: JOHNSON EWING · JOHNSON EWING A
3 granted patents·36 citations·filing 1981–2014
65Inventor score
Top patents by PatentIndex Score
3 records- 0164US4453122AElectrical balancing control for three-phase loadsJOHNSON EWING A·Filed 1981·Granted Jun 5, 1984·30 cites·5 claims
- 0239US4704135AApparatus for the conversion of coal to gas, liquid and solid productsBONASSO JACK I·Filed 1985·Granted Nov 3, 1987·6 cites·10 claims
- 0331US9302131B2Hold down bracket for fire valveJOHNSON EWING·Filed 2014·Granted Apr 5, 2016·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Ewing Johnson 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 →