| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 3 | |
| #3 | Germany | 2 | |
| #4 | Spain | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | France | 1 | |
| #7 | Italy | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Basic materials chemistry | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gilbert Frederick W | 5 |
| #2 | Rose Charles D | 3 |
| #3 | Kowalski V | 1 |
| #4 | Gilbert F | 1 |
| #5 | Furederitsuku Daburiyuu Giruba | 1 |
| #6 | Chiyaaruzu Dei Roozu | 1 |
| #7 | Williamson William R | 1 |
| #8 | Kowalski Valentine W | 1 |
| #9 | Lind C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS52121607A | Maltiistage evaporator and petrolium distilling method | |
| GB1443814A | Liquid evaporator with shrouded heating tube bundle | |
| US3856630A | Evaporator fabricated from pre-formed sheets | |
| US3730848A | Multi-stage flash evaporator for distilling brines |