DS

Donald C. Van Slyke

Chevron: 3 patents #22 of 387Top 6%
HS Halliburton Energy Services: 2 patents #266 of 1,091Top 25%
📍 Richmond, TX: #11 of 123 inventorsTop 9%
🗺 Texas: #1,940 of 17,606 inventorsTop 15%
Overall (2019): #92,128 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10435610 Drilling fluid for downhole electrocrushing drilling Dale E. Jamison, William Walter Shumway 2019-10-08
10316237 Drilling fluid for downhole electrocrushing drilling William Walter Shumway 2019-06-11
10208540 Non-toxic, inexpensive, low viscosity mineral oil based drilling fluid Christopher E. Johnson 2019-02-19