| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Germany | 4 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Telecommunications | |
| #3 | Electrical machinery and energy | |
| #4 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation | |
| #2 | Transmission | |
| #3 | Electric switches | |
| #4 | Resonators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Orlich Dipl-Ing Peter | 2 |
| #2 | Schmidt Kommanditgesellschaft | 1 |
| #3 | Hans Bolgmann | 1 |
| #4 | Heinz Dickmann | 1 |
| #5 | Orlich Peter | 1 |
| #6 | Roessler Erich | 1 |
| #7 | Hartz Hans | 1 |
| #8 | John Dr Ulrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE716626C | Centrifugal governor with a flyweight carrier designed as an angle lever | |
| DE704702C | Echo sounder display | |
| DE734070C | Device for weakening or complete suppression of disturbance displays in echo sounders | |
| DE735348C | Magnetostrictive sound absorber | |
| CA394340A | Echo-sounding device |