| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Denmark | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Switzerland | 1 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Amplifiers | |
| #2 | Electric discharge tubes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Reisz Eugen | 10 |
| #2 | Lieben Robert Von | 9 |
| #3 | Strauss Siegmund | 8 |
| #4 | Robert Von Lieben | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191215975A | Process and Device for Increasing the Life, Uniformity and Economy of Electric Discharge Tubes having an Incandescent Cathode. | |
| GB191101482A | An Improved Relay for Undulatory Currents. | |
| GB190421795A | An Improved Dynamic-electric Clutch or Electro-magnetic Gearing. |