Patents/Inventors

Robert G. Roycroft

Houston, TXUS8 patents

7 Patents

US126128452026
Dart and Clutch Assembly
EPIC LIFT SYSTEMS
0 cites
US125843782026
Dart and Clutch Assembly
EPIC LIFT SYSTEMS
0 cites
US125349872026
Lubricator with Orifice
EPIC LIFT SYSTEMS
0 cites
US124867402025
Dart and Clutch Assembly
Epic Lift Systems
0 cites
US123202252025
Electric Auto-catcher
TALLY ENERGY SERVICES, LLC
0 cites
US121808112024
Lubricator with Orifice
Epic Lift Systems
0 cites
US120919392024
Dart and Clutch Assembly
Epic Lift Systems
0 cites