Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927657 | Wellbore drilling with a top drive device | Pieter Dirk Melis Van Duivendijk, Diederick Bernardus Wijning, Nicolaas Thijs Pieter MAX, Jasper Hendrik Frank Bakker, Joop Roodenburg | 2021-02-23 |
| 10718162 | Servicing a top drive device of a wellbore drilling installation | Pieter Dirk Melis Van Duivendijk, Diederick Bernardus Wijning, Nicolaas Thijs Pieter MAX, Jasper Hendrik Frank Bakker, Joop Roodenburg | 2020-07-21 |
| 10329841 | Wellbore drilling with a trolley and a top drive device | Pieter Dirk Melis Van Duivendijk, Diederick Bernardus Wijning, Nicolaas Thijs Pieter MAX, Jasper Hendrik Frank Bakker, Joop Roodenburg | 2019-06-25 |