DM

David March

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,168,031 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7033113 Mid-line connector and method for pipe-in-pipe electrical heating 2006-04-25
6937030 Testing electrical integrity of electrically heated subsea pipelines David John Liney 2005-08-30