Inventor · disambiguated record
Edward J. Friihauf
Also filed as: FRIIHAUF EDWARD J · FRIIHAUF EDWARD JOE
2 granted patents·111 citations·filing 1974–1978
66Inventor score
Technology areasC10M
Files withLUBRIZOL CORP2
Top patents by PatentIndex Score
2 records- 0190US4129508ADemulsifier additive compositions for lubricants and fuels and concentrates containing the sameLUBRIZOL CORP·Filed 1978·Granted Dec 12, 1978·101 cites·33 claims
- 0257US4080303ALubricant compositions containing boron dispersant, VI improver, and aromatic carboxylic acid estersLUBRIZOL CORP·Filed 1974·Granted Mar 21, 1978·10 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Edward J. Friihauf 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 →