Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9482078 | Diffuser for cable suspended dewatering pumping system | Rik W. De Doncker, Helge Brauer, Holger Franz, Johannes P. Schmidt, Benjamin Eduard Wilkosz | 2016-11-01 |
| 8584761 | Compact cable suspended pumping system for dewatering gas wells | Lance I. Fielder, Rik W. De Doncker, Helge Brauer, Holger Franz, Johannes P. Schmidt +1 more | 2013-11-19 |
| 8408312 | Compact cable suspended pumping system for dewatering gas wells | Lance I. Fielder, Rik W. De Doncker, Helge Brauer, Holger Franz, Johannes P. Schmidt +1 more | 2013-04-02 |