| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 8 | |
| #2 | Germany | 3 | |
| #3 | Brazil | 1 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Percussive tools | |
| #2 | Unspecified technologies | |
| #3 | Earth drilling | |
| #4 | Turning | |
| #5 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nielsen Mogens Bjarne | 6 |
| #2 | Nielsen Mogens | 3 |
| #3 | Nielsen Mogens B | 1 |
| #4 | Pedersen Hans | 1 |
| #5 | Pallesen L | 1 |
| #6 | Pallesen Leif | 1 |
| #7 | Saxlund Preben Jensen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK130593D0 | Boropsaetningssystem | |
| DK30592D0 | Boropsaetning | |
| DK25192D0 | Step drill | |
| EP0525274A1 | A holding device for receiving an externally threaded shaft or rod member | |
| DK27891D0 | Chucking | |
| DK50190D0 | hammer | |
| DK271186D0 | Shift for a drill or similar tool of the rotating and shipping type | |
| DK146185D0 | Stone drill, isair for hammer drilling machines | |
| DK162279A | Tool machines for dram hammers and drilling machines | |
| DE2834991A1 | Hammer or percussion drill type tool holder - has interfacing coupling balls engaging pressure face in peripheral groove |