Inventor · disambiguated record

David March

Also filed as: MARCH DAVID M · MARCH DAVID MARTIN

2 granted patents·24 citations·filing 2002–2004

60Inventor score

Technology areasF16L

Files withSHELL OIL CO2

Top patents by PatentIndex Score

2 records

0158US7033113B2Mid-line connector and method for pipe-in-pipe electrical heatingSHELL OIL CO·Filed 2004·Granted Apr 25, 2006·13 cites·20 claims
0254US6937030B2Testing electrical integrity of electrically heated subsea pipelinesSHELL OIL CO·Filed 2002·Granted Aug 30, 2005·11 cites·11 claims

Join the waitlist — get patent alerts

Get an alert when David March 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 →