JG

Josef Grotendorst

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,119,584 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12163426 Method and device for laser drilling 2024-12-10
9631433 Method and apparatus for introducing or sinking cavities in rock 2017-04-25
7066281 Formation fluid sampling and hydraulic testing tool and packer assembly therefor 2006-06-27
6662644 Formation fluid sampling and hydraulic testing tool Gerhard Grotendorst 2003-12-16