| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Basic communication technologies | |
| #3 | Digital networks | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Generation of oscillations | |
| #2 | Digital information transmission | |
| #3 | Measuring electric variables | |
| #4 | Antennas | |
| #5 | Transmission |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meissner Alexander | 4 |
| #2 | Gewecke Hermann | 2 |
| #3 | Demuth Walter | 1 |
| #4 | Schaffer Walter | 1 |
| #5 | Arco Graf Georg Von | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA216840A | High power conductor | |
| CA236351A | Relay device | |
| CA248740A | Means of signalling to railway trains in motion | |
| CA236350A | Cathode tube generator | |
| CA236179A | Production of high power currents of constant frequency | |
| CA236178A | Cathode tube generator | |
| CA220540A | Electrical condenser | |
| CA214571A | Conveyance and distribution of high frequency electric currents | |
| CA247842A | Wireless telegraph transmitter |