Inventor · disambiguated record
Robert Machen
Also filed as: MACHEN ROBERT · MACHEN ROBERT B
3 granted patents·1 pending application·31 citations·filing 1978–2020
63Inventor score
Top patents by PatentIndex Score
4 records- 0178US11969495B2Sulphate-free and nonionic surfactant-free cleansing compositionCONOPCO INC·Filed 2019·Granted Apr 30, 2024·2 cites·17 claims
- 0273US4305069APersonal smoke and fire detector and warning unitMACHEN ROBERT B·Filed 1978·Granted Dec 8, 1981·29 cites·3 claims
- 0351US12403084B2Cleansing compositionCONOPCO INC·Filed 2020·Granted Sep 2, 2025·0 cites·18 claims
- 0445US2021069092A1Cleansing compositionCONOPCO INC DBA UNILEVER·Filed 2019·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Robert Machen 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 →