DD

David Devlin

NM Ncs Multistage: 3 patents #3 of 18Top 20%
📍 Calgary, CA: #28 of 622 inventorsTop 5%
Overall (2021): #51,869 of 548,734Top 10%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11180958 Casing float tool Donald Getzlaf, Marty Stromquist, John Ravensbergen, Douglas Braden, Travis Harris 2021-11-23
11041351 Downhole flow diversion device with oscillation damper David S. Cramer, Michael Harvey 2021-06-22
10883314 Casing float tool Donald Getzlaf, Marty Stromquist, John Ravensbergen, Douglas Braden, Travis Harris 2021-01-05
10883315 Casing float tool Donald Getzlaf, Marty Stromquist, John Ravensbergen, Douglas Braden, Travis Harris 2021-01-05