Inventor · disambiguated record
Richard M. Ahlgren
Also filed as: AHLGREN RICHARD M
3 granted patents·82 citations·filing 1976–1977
75Inventor score
Files withAQUA CHEM INC3
Top patents by PatentIndex Score
3 records- 0174US4123342AUltrafiltration and electrodialysis method and apparatusAQUA CHEM INC·Filed 1977·Granted Oct 31, 1978·27 cites·7 claims
- 0274US4043896AUltrafiltration and electrodialysis apparatusAQUA CHEM INC·Filed 1976·Granted Aug 23, 1977·27 cites·20 claims
- 0368US4110175AElectrodialysis methodAQUA CHEM INC·Filed 1976·Granted Aug 29, 1978·28 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Richard M. Ahlgren 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 →