| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 22 | |
| #2 | United States | 3 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Centrifuges | |
| #2 | Laundering textiles | |
| #3 | Separation | |
| #4 | Springs | |
| #5 | Refining | |
| #6 | Pistons and sealings | |
| #7 | Textile treatments | |
| #8 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Martin Michel | 3 |
| #2 | Tridon Max | 2 |
| #3 | Dollfus Jacques | 2 |
| #4 | Miachon Jean Paul | 1 |
| #5 | Ranc Jean | 1 |
| #6 | Sauliere Jean | 1 |
| #7 | Frey Pierre | 1 |
| #8 | Grollier-Baron Rene | 1 |
| #9 | Bonnet Pierre | 1 |
| #10 | Marchal Germain | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3446431A | Centrifugal machines | |
| US3459368A | Apparatus for the decantation of liquids |