| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | South Africa | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Moir Frederick Graham | 9 |
| #2 | Dewar John | 3 |
| Publication | Filing date | Title |
|---|---|---|
| AU3072995A | Inner sleeve for a fluid operated piston type hammer | |
| AU3072895A | Locking a sample tube in a downhole hammer | |
| AUPM720194A0 | Locking a sample tube in a downhole hammer | |
| AUPM720294A0 | Inner sleeve for a fluid operated piston type hammer |