| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Austria | 1 | |
| #7 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Mechanical treatment of natural fibrous | |
| #2 | Drying solid materials by removing liquid |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greenleaf Robert M | 3 |
| #2 | Mills Greenleaf Robert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB423002A | Improvements in apparatus for cleaning wool and other fibres | |
| US2015893A | Drying clean wool | |
| US2015894A | Apparatus for removing extraneous matters from wool | |
| ES126470A1 | An improved procedure for cleaning raw wool. | |
| GB395471A | Improvements in or relating to de-burring and similar processes of cleaning wool and other fibres | |
| US1866205A | Process of cleaning wool | |
| CA349439A | Wool cleaning apparatus | |
| CA331655A | Wool cleaning process |