DJ

D. Peter Johnson

Schlumberger Technology: 1 patents #253 of 856Top 30%
Overall (2023): #477,875 of 537,848Top 90%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11795781 Actuation valve system with pilot and main valves Edward George Parkin, Michael Pearce, Julien Steimetz, Jonathan Marshall, Clint William Philbrick 2023-10-24