| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Foods and drinks |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Generating mechanical vibrations | |
| #3 | Meat processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hiedemann Egon Dr | 2 |
| #2 | Brandt Otto | 2 |
| #3 | Tocquet Bernard | 1 |
| #4 | Otto Brandt | 1 |
| #5 | Hans Freund | 1 |
| #6 | Freund Hans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA957063A | Transducteur electroacoustique de grande puissance concu pour les fortes pressions hydrostatiques | |
| NL171649B | Electro-acoustic transfer. | |
| GB460795A | Process and apparatus for separating suspended particles | |
| GB454050A | Process and apparatus for separating suspended particles |