Inventor · disambiguated record
Roelof E. Groenewald
Also filed as: GROENEWALD ROELOF E
2 granted patents·1 pending application·8 citations·filing 2020–2021
49Inventor score
Top patents by PatentIndex Score
3 records- 0193US11897768B2Systems and methods for local generation and/or consumption of hydrogen gasMODERN HYDROGEN INC·Filed 2021·Granted Feb 13, 2024·8 cites·28 claims
- 0251US12081145B2Time-dependent plasma systems and methods for thermionic conversionMODERN HYDROGEN INC·Filed 2020·Granted Sep 3, 2024·0 cites·28 claims
- 0343US2021057123A1Elements For Mitigating Electron Reflection and Vacuum Electronic Devices Incorporating Elements For Mitigating Electron ReflectionMODERN ELECTRON INC·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Roelof E. Groenewald 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 →