Inventor · disambiguated record
Harmen Derk Stoffers
Also filed as: STOFFERS HARMEN DERK
3 granted patents·5 citations·filing 2014–2014
56Inventor score
Top patents by PatentIndex Score
3 records- 0156US9874000B2Subsurface mining vehicle and method for collecting mineral deposits from a sea bed at great depths and transporting said deposits to a floating vesselOCEANFLORE B V·Filed 2014·Granted Jan 23, 2018·4 cites·19 claims
- 0256US9611014B2Device for launching a subsurface mining vehicle into a water mass and recovering the same from the water massIHC HOLLAND IE BV·Filed 2014·Granted Apr 4, 2017·1 cites·20 claims
- 0334US9874096B2Subsea container transport system for deep-sea miningIHC HOLLAND IE BV·Filed 2014·Granted Jan 23, 2018·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Harmen Derk Stoffers 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 →