CB

Calvin Blankenship

NV National Oilwell Varco: 2 patents #1 of 46Top 3%
📍 Frostburg, MD: #1 of 2 inventorsTop 50%
🗺 Maryland: #504 of 3,967 inventorsTop 15%
Overall (2021): #175,294 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11136826 Guidance systems and apparatus for power swivel Christopher Brian Walker, Henry Do, Robert Ioan Papp, Mihail Puscas, Delfino Moreno, III +1 more 2021-10-05
10947796 Power swivel and gooseneck Christopher Brian Walker, Henry Do, Robert Ioan Papp, Mihail Puscas 2021-03-16