PS

Phillip Schubert

GD Gregg Drilling: 4 patents #2 of 4Top 50%
📍 Signal Hill, CA: #25 of 83 inventorsTop 35%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,090,044 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12366126 Geotechnical rig systems and methods John Gregg, Matthew Schubert 2025-07-22
11970916 Geotechnical rig systems and methods John Gregg, Matthew Schubert 2024-04-30
11643886 Geotechnical rig systems and methods John Gregg, Matthew Schubert 2023-05-09
11473378 Geotechnical rig systems and methods John Gregg, Matthew Schubert 2022-10-18