| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Denmark | 3 | |
| #3 | Austria | 2 | |
| #4 | Canada | 2 | |
| #5 | Spain | 2 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Chemical or physical processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dufour Rene | 9 |
| #2 | Leduc Henri Auguste | 4 |
| #3 | Henri Auguste Leduc | 3 |
| #4 | Rene Dufour | 2 |
| #5 | Gliksman Marc | 1 |
| #6 | Leduc Henri A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES176149A1 | A procedure with the corresponding device, for thermal treatment, electrically or magnetically, of substances equipped with certain electrical or magnetic properties, such as vulcanizable, thermoplastic materials, emulsions, coagulable and similar dispersions | |
| CA466898A | Methods for the thermal treatment, in high frequency electric fields, of heterogeneous materials | |
| CA367811A | Heat treating process and apparatus |