| 11560762 |
Elevator locking system apparatus and methods |
Arno Gruess, Andre Vierke |
2023-01-24 |
| D936111 |
Pipe lifting elevator ear |
— |
2021-11-16 |
| D925612 |
Pipe lifting elevator body |
— |
2021-07-20 |
| 10927616 |
Elevator with securing apparatus and method of moving tubulars |
Victor Manuel Eslava Moreno, Robert Dugal, Robert Arlen Holifield |
2021-02-23 |
| 10808473 |
Load limiting tong |
Andre Vierke |
2020-10-20 |
| 10801275 |
Elevator system for supporting a tubular member |
Arno Gruess |
2020-10-13 |
| 10641305 |
Link extension connector |
— |
2020-05-05 |
| 10570679 |
Elevator with securing apparatus and method of moving tubulars |
Victor Manuel Eslava Moreno, Robert Dugal, Robert Arlen Holifield |
2020-02-25 |
| 10502249 |
Link connector |
Andre Vierke, Lawrence E. Childress, II |
2019-12-10 |
| 10196866 |
Handling tool with integrated sensor for real time monitoring during operation |
Andre Vierke |
2019-02-05 |
| 9976365 |
Apparatus to support a tubular member |
Andre Vierke, Arno Gruess |
2018-05-22 |
| 9790750 |
Handling tool with integrated sensor for real time monitoring during operation |
Andre Vierke |
2017-10-17 |
| 9181762 |
Device for securing pipes having various diameters |
Jens Baier |
2015-11-10 |
| 9057225 |
Apparatus for releasably holding a pipe, rod or the like |
Andre Vierke |
2015-06-16 |