| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 15 | |
| #2 | Germany | 4 | |
| #3 | Switzerland | 3 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Control or regulating systems | |
| #3 | Special measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kuehnel Robert | 4 |
| #2 | Bonwitt Co Norma Instrumenten- | 3 |
| #3 | Kuehnel Robert Ing | 2 |
| #4 | Gartler Herbert | 1 |
| #5 | Masa Premysl S Ing | 1 |
| #6 | Zawischa Robert Ing | 1 |
| #7 | Dressnandt Karl | 1 |
| #8 | Duerrer Ignaz Ing | 1 |
| #9 | Zwierina Otto Dr Ing | 1 |
| #10 | Zwierina Otto Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE587897C | Electrical measuring device with several pointers and associated scales, which are separated from one another by slots for the pointer ends and provided with a common number | |
| DE659717C | Dynamometric measuring device with iron connection | |
| DE589809C | Dynamometric measuring device with iron connection | |
| DE521381C | Switching device for electrical measuring instruments |