Inventor · disambiguated record
Derk Hartland
Also filed as: HARTLAND DERK
5 granted patents·50 citations·filing 2008–2018
77Inventor score
Top patents by PatentIndex Score
5 records- 0185US8181728B2Automotive vehicle engine apparatusHARTLAND DERK·Filed 2008·Granted May 22, 2012·38 cites·13 claims
- 0273US10118073B2Interactive apparatus and methods for muscle strengtheningWORLDPRO GROUP LLC·Filed 2017·Granted Nov 6, 2018·5 cites·20 claims
- 0364US10850162B2Interactive apparatus and methods for muscle strengtheningWORLDPRO GROUP LLC·Filed 2018·Granted Dec 1, 2020·2 cites·15 claims
- 0459US10703301B2Backup camera enabling deviceHARTLAND DERK·Filed 2018·Granted Jul 7, 2020·1 cites·5 claims
- 0557US8276693B2Powertrain, vehicle, and method with electric motors and dual belt driveSCARBO JOSEPH N·Filed 2011·Granted Oct 2, 2012·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →