JG

Joseph G. Greenlee

TW The Charles Machine Works: 12 patents #13 of 211Top 7%
📍 Perry, OK: #8 of 85 inventorsTop 10%
🗺 Oklahoma: #834 of 12,736 inventorsTop 7%
Overall (All Time): #396,462 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12286843 Dual pipe drill head quick interchange joint Greg L. Slaughter, Jr., Travis W. Woodson 2025-04-29
12116855 Virtual brake system Aleksander S. Wolfe, Jarred R. Callaway, Max A. Metcalf 2024-10-15
11885223 Method to prevent dual rod drill string drag Greg L. Slaughter, Jr., Joe G. Worlow 2024-01-30
11828176 Dual-member pipe assembly Greg L. Slaughter, Jr. 2023-11-28
11686180 Virtual brake system Aleksander S. Wolfe, Jarred R. Callaway, Max A. Metcalf 2023-06-27
11578540 Dual pipe drill head quick interchange joint Greg L. Slaughter, Jr., Travis W. Woodson 2023-02-14
11208851 Dual pipe drill head quick interchange joint Greg L. Slaughter, Jr., Travis W. Woodson 2021-12-28
11118430 Virtual brake system Aleksander S. Wolfe, Jarred R. Callaway, Max A. Metcalf 2021-09-14
11002076 Dual-member pipe assembly Greg L. Slaughter, Jr. 2021-05-11
10724347 Virtual brake system Aleksander S. Wolfe, Jarred R. Callaway, Max A. Metcalf 2020-07-28
D851132 Horizontal directional drill Clinton T. Cosgrove, Cole J. Rush, Pete Ramos, Seth T. Matthesen, David Thimm +2 more 2019-06-11
10260287 Dual-member pipe assembly Greg L. Slaughter, Jr. 2019-04-16