MD

Marcus Joseph Doran

NV National Oilwell Varco: 2 patents #125 of 551Top 25%
📍 Conroe, TX: #208 of 788 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,110,186 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12018994 Chain wear sensor Timothy S. Steffenhagen, Kenneth Gene Barnes 2024-06-25
11359446 Coiled tubing injector with gripper shoe carrier position monitor Timothy S. Steffenhagen, Kenneth Gene Barnes 2022-06-14
10975634 Tubing guide stabilization Timothy S. Steffenhagen, Antonio Ruiz, Kevin Edwin AuBuchon 2021-04-13
10612324 Wellsite tool guide assembly and method of using same Michael Jordan, Richard M. Ward 2020-04-07