SF

Shannon Freeman

ES Epic Lift Systems: 5 patents #2 of 10Top 20%
PF Pcs Ferguson: 1 patents #7 of 17Top 45%
📍 Tomball, TX: #130 of 577 inventorsTop 25%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #675,584 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12320225 Electric auto-catcher Robert G. Roycroft, Tony Giang 2025-06-03
12221850 Annular flow lubricator method and apparatus 2025-02-11
12180811 Lubricator with orifice Robert G. Roycroft, Aaron Michael Benjamin Skeete 2024-12-31
12091939 Dart and clutch assembly Robert G. Roycroft 2024-09-17
12091933 Annular flow lubricator method and apparatus 2024-09-17
11851980 Annular flow lubricator method and apparatus 2023-12-26
10895128 Taper lock bypass plunger Jason Thompson, Paul T. Roberts, Kolten P. Jelden 2021-01-19