| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 4 | |
| #4 | Germany | 3 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Sucrose production | |
| #2 | Guiding railway traffic | |
| #3 | Non-metallic elements | |
| #4 | Separation | |
| #5 | Drying solid materials by removing liquid |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fernand Lafeuille | 4 |
| #2 | Lafeuille Fernand | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US2202696A | Rotary crystallizer-cooker | |
| GB301304A | Improvements in the treatment of syrup | |
| GB301453A | Improvements in or relating to tubular rotary crystallisers or crystalliser-boilers | |
| US1815852A | Crystallizer cooker | |
| US1649601A | Rotary tubular crystallizer cooker | |
| GB252686A | Apparatus for evaporating and crystallizing sugar and other solutions | |
| GB245114A | Improvements in apparatus for crystallizing sugar or other solutions | |
| US1653712A | Crystallizer |