| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Argentina | 6 | |
| #2 | Norway | 4 | |
| #3 | Malaysia | 3 | |
| #4 | Brazil | 2 | |
| #5 | Peru | 2 | |
| #6 | South Africa | 2 | |
| #7 | Canada | 1 | |
| #8 | China | 1 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | Finland | 1 | |
| #11 | Hong Kong | 1 | |
| #12 | Republic of Korea | 1 | |
| #13 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Explosives | |
| #2 | Blasting | |
| #3 | Detonating devices | |
| #4 | Rotary-pistons | |
| #5 | Explosive charges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Halander John B | 10 |
| #2 | Nelson Casey L | 8 |
| #3 | Bonner Clark D | 8 |
| #4 | Cranney Don H | 2 |
| #5 | Hales Richard H | 2 |
| #6 | Preston Scott B | 2 |
| #7 | Atkinson Kerry S | 2 |
| #8 | Hurley Eldon K | 2 |
| #9 | Gladden Ernest L | 2 |
| #10 | Shank Lawrence J Iii | 2 |