| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Brazil | 2 | |
| #4 | Chile | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Mexico | 1 | |
| #7 | Russian Federation | 1 | |
| #8 | United States | 1 |
| # | Technology | |
|---|---|---|
| #1 | Safety devices | |
| #2 | Shafts | |
| #3 | Ladders | |
| #4 | Foundations and excavations | |
| #5 | Mining | |
| #6 | Platform constructions | |
| #7 | Pipes | |
| #8 | Materials for miscellaneous applications | |
| #9 | Compounding ingredients | |
| #10 | Layered products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Durkin Steven Peter | 11 |
| #2 | Murdoch John Forbes | 4 |
| #3 | Peter Steven Durkin | 2 |
| #4 | John Forbes Murdoch | 1 |
| #5 | Steven Peter Durkin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2017204308A1 | Ventilation Duct | |
| US2017130417A1 | Edge protection safety bund system | |
| AU2014225271A1 | Laddertube for underground raises | |
| WO2011085431A1 | Improved ladderway system for underground raises |