JE

Johann van Es

BH Baker Hughes Holdings: 2 patents #1,327 of 3,522Top 40%
📍 Sherwood Park, CA: #170 of 486 inventorsTop 35%
Overall (All Time): #2,317,594 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5052502 Apparatus for directional coring Rainer Jurgens 1991-10-01
5029653 Method for directional coring Rainer Jurgens 1991-07-09