| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United States | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Semiconductors | |
| #3 | Audio-visual technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gold Bernard Samuel | 3 |
| #2 | Smithers Peter Alan | 3 |
| #3 | Billings Keith H | 1 |
| #4 | Billings Keith Hugh | 1 |
| #5 | Hugh Billings Keith | 1 |
| #6 | Charlwood Horley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1510644A | Voltage stabilizers | |
| GB1507872A | Apparatus for generating alternating currents of accurately predetermined waveform | |
| GB1439365A | Heat sink assemblies | |
| GB1328911A | Heat sink assemblies | |
| US3539865A | Crowbar protection device | |
| CA869114A | Protective devices for power supply equipment |