Inventor · disambiguated record
John M. Ferrara
Also filed as: FERRARA JOHN M
5 granted patents·54 citations·filing 1975–1987
79Inventor score
Top patents by PatentIndex Score
5 records- 0163US4767554APolycarboxylic acid ester drawing and ironing lubricant emulsions and concentratesNALCO CHEMICAL CO·Filed 1987·Granted Aug 30, 1988·20 cites·7 claims
- 0263US4034794ACasting process with lignosulfonate-humate-graphite mold coatingsNALCO CHEMICAL CO·Filed 1977·Granted Jul 12, 1977·10 cites·3 claims
- 0363US4011503AApparatus for measuring the phase relation of two alternating current signalsNARCO SCIENTIFIC IND·Filed 1975·Granted Mar 8, 1977·17 cites·1 claims
- 0438US4441888ACoal-water slurry viscosity reduction using olefin/maleic acid salt copolymersNALCO CHEMICAL CO·Filed 1982·Granted Apr 10, 1984·6 cites·4 claims
- 0528US4025923ASynchronous filter for VOR systemsNARCO SCIENTIFIC IND·Filed 1976·Granted May 24, 1977·1 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when John M. Ferrara 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 →