| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 5 | |
| #2 | United States | 5 | |
| #3 | WIPO (World Intellectual Property Organization) | 5 | |
| #4 | Canada | 4 | |
| #5 | EPO (European Patent Office) | 4 | |
| #6 | Brazil | 3 | |
| #7 | Chile | 3 | |
| #8 | Ireland | 3 | |
| #9 | Republic of Korea | 3 | |
| #10 | United Kingdom | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Percussive tools | |
| #3 | Positive-displacement engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Purcell Joseph | 10 |
| #2 | Kosovich John | 8 |
| #3 | Purcell Ciaran | 7 |
| #4 | Markku Keskiniva | 7 |
| #5 | Keskiniva Markku | 7 |
| #6 | Joseph Purcell | 4 |
| #7 | Ciaran Purcell | 2 |
| #8 | John Kosovich | 2 |
| #9 | Purcell Jospeh | 1 |
| #10 | Jospeh Purcell | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2020104527A1 | Drill bit assembly for percussion drill tools | |
| IES20180460A2 | Drill bit assembly for percussion drill tools | |
| IES20180218A2 | A drill bit assembly for fluid-operated percussion drill tools | |
| KR20200032699A | Valve controls for hydraulic shock devices | |
| IES86935B2 | Drill bit with detachable bit head | |
| GB201620220D0 | Drill bits |