| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Hong Kong | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Republic of Korea | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Comer Paul Andrew | 13 |
| Publication | Filing date | Title |
|---|---|---|
| HK1132219A1 | Pulveriser mill with port ring | |
| GB0805207D0 | Pulveriser mill with port ring | |
| GB0714812D0 | Improvement in relation to grinding mills |