| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Switzerland | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Centrifuges | |
| #2 | Gearing | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Persoons Jules | 13 |
| #2 | Persoons Alphonse | 13 |
| #3 | Jules Persoons | 1 |
| #4 | Alphonse Persoons | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US969400A | Collecting-casing for cream-separators. | |
| GB190816917A | Improvements in or relating to Centrifugal Separators. | |
| US969399A | Liner for centrifugal separators. | |
| CA116960A | Liner for centrifugal separators | |
| US941809A | Drum for centrifugal cream-separators. | |
| US946985A | Gearing. | |
| GB190523398A | Improvements in Guides for the Suspension-axles of Cream Separators and like Apparatus | |
| CA351596A | Linen washing machine | |
| CA387970A | Cream separator | |
| CA293668A | Cream separator |