Inventor · disambiguated record
Mark David Hartwell
Also filed as: HARTWELL MARK · HARTWELL MARK DAVID
2 granted patents·1 pending application·15 citations·filing 2007–2023
50Inventor score
Top patents by PatentIndex Score
3 records- 0173US7823633B2Valve apparatusHARTWELL MARK DAVID·Filed 2009·Granted Nov 2, 2010·15 cites·20 claims
- 0235US2009090879A1Valve apparatusHARTWELL MARK DAVID·Filed 2007·Application pending·0 cites
- 0329US12140016B2Downhole sensor packageDATACAN SERVICES CORP·Filed 2023·Granted Nov 12, 2024·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →