| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 6 | |
| #3 | Australia | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 | |
| #5 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Veneer production | |
| #3 | Sawing | |
| #4 | Separating solids | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hughes John H | 19 |
| #2 | John H Hughes | 1 |
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