| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Denmark | 4 | |
| #3 | Spain | 3 | |
| #4 | Canada | 2 | |
| #5 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Visser Johan Marie | 7 |
| #2 | Johan Marie Visser | 5 |
| Publication | Filing date | Title |
|---|---|---|
| ES167711A1 | A thermal permutator for fluent substances | |
| ES167655A1 | A thermal permutator for fluent liquids and gases | |
| ES136727A1 | An apparatus for recovering a dry substance contained in solutions, emulsions, suspensions and the like. | |
| CA456680A | Heat exchanger for flowing liquids or gases | |
| CA458180A | Heat exchanger for fluid substances |