| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 7 | |
| #2 | Germany | 5 | |
| #3 | France | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | Italy | 4 | |
| #6 | United States | 4 | |
| #7 | Australia | 3 | |
| #8 | Canada | 1 | |
| #9 | Japan | 1 | |
| #10 | Norway | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Foundations and excavations | |
| #3 | Separation | |
| #4 | Generating mechanical vibrations | |
| #5 | Accessories for machine tools | |
| #6 | Mining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jysky G | 12 |
| #2 | Mardla I | 11 |
| #3 | Mardla Ilmar | 11 |
| #4 | Eriksson B | 7 |
| #5 | Jysky Goran | 6 |
| #6 | Ericsson B | 5 |
| #7 | Jysky Goeran | 5 |
| #8 | Ericsson Bjorn | 3 |
| #9 | Ericsson Bjoern | 3 |
| #10 | Eriksson Bjorn | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3975831A | Directing instrument | |
| GB1409402A | Vibrating device | |
| US3848686A | Device for collecting drill dust and a sealing member intended for said device | |
| ZA7208443B | An equipment for collecting drill dust | |
| AU4466772A | Supporting foot for a drill post | |
| US3895929A | Device for collecting drill dust | |
| GB1366453A | Apparatus for collecting drill dust |