| 11560762 |
Elevator locking system apparatus and methods |
Arno Gruess, Frederik Stoldt |
2023-01-24 |
| 10808473 |
Load limiting tong |
Frederik Stoldt |
2020-10-20 |
| 10544636 |
Guide plate for tubular handling tools |
Yusif Ibrahimov, Victor Manuel Eslava Moreno |
2020-01-28 |
| 10502249 |
Link connector |
Frederik Stoldt, Lawrence E. Childress, II |
2019-12-10 |
| 10479644 |
Elevator system and method with elevator link having integrated control lines |
— |
2019-11-19 |
| 10309170 |
Spinner tool with control valve |
Joshua Kyle Bourgeois, Lawrence E. Childress, II |
2019-06-04 |
| 10196866 |
Handling tool with integrated sensor for real time monitoring during operation |
Frederik Stoldt |
2019-02-05 |
| 10196846 |
Hinge pin |
— |
2019-02-05 |
| 9976365 |
Apparatus to support a tubular member |
Arno Gruess, Frederik Stoldt |
2018-05-22 |
| 9790750 |
Handling tool with integrated sensor for real time monitoring during operation |
Frederik Stoldt |
2017-10-17 |
| 9062698 |
Apparatus for handling and holding a pipe |
Jens Baier |
2015-06-23 |
| 9057225 |
Apparatus for releasably holding a pipe, rod or the like |
Frederik Stoldt |
2015-06-16 |