TH

Thomas Henry Holtkamp

CW Cactus Wellhead: 1 patents #8 of 13Top 65%
GE: 1 patents #19,878 of 36,430Top 55%
Overall (All Time): #1,720,790 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12338703 Isolation sleeve Martin Anthony Trumbull 2025-06-24
8950485 Drilling/frac adapter and method of use Danny R. Wilkins, Jerry D. Smith 2015-02-10