Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10232876 | Method, system and computer program for controlling propulsion of a drilling rig as well as a drilling rig | Fredrik Ohman, Erik Ahlström | 2019-03-19 |
| 9416605 | Method and system for determining a variation in a flushing medium flow and rock drilling apparatus | — | 2016-08-16 |
| 9347285 | Method and system for controlling a compressor at a rock drilling apparatus and a rock drilling apparatus | Erik Ahlström | 2016-05-24 |
| 9347305 | Method and system for controlling a power source at a rock drilling apparatus and rock drilling apparatus | Anders Nydahl | 2016-05-24 |