| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Zimbabwe | 2 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Malawi | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Tobacco | |
| #2 | Separating solids | |
| #3 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Surtees Guy F | 6 |
| #2 | Guy Franklin Surtees | 2 |
| #3 | Andrews Andrew T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5205415A | Modular classifier | |
| CA1286632C | Pneumatic classifier for tobacco and method | |
| US2158565A | Process for making harsh tobacco mild and the resultant product thereof |