DM

David McAdam

DU Dreco Energy Services Ulc: 4 patents #1 of 10Top 10%
Overall (2021): #51,649 of 548,734Top 10%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11035198 Multifunction blowout preventer Brian McAdam, James Orr, Clark Weiss 2021-06-15
10941628 Adjustable blowout preventer and methods of use Brian McAdam, James Orr 2021-03-09
10920887 Anti-extrusion seal arrangement and ram-style blowout preventer Brian McAdam, James Orr 2021-02-16
10900313 Method and apparatus for production well pressure containment for blowout Brian McAdam, James Orr 2021-01-26