| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Switzerland | 3 | |
| #3 | Germany | 3 | |
| #4 | Austria | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Electrical machinery and energy | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Pulse technique | |
| #3 | Systems for regulating electrical variables | |
| #4 | Resonators | |
| #5 | Amplifiers | |
| #6 | Amplification control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wanlass Leslie Kent | 6 |
| #2 | Kent Wanlass Leslie | 3 |
| #3 | Leslie Kent Wanlass | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB1206279A | Parametric device | |
| GB1153902A | Improvements in or relating to Electromagnetic Circuit Devices |