| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 | |
| #5 | Switzerland | 1 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Electrical machinery and energy | |
| #3 | Basic communication technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wanlass Cravens L | 4 |
| #2 | Lamar Wanlass Cravens | 3 |
| #3 | Dean Wanlass Sylvan | 2 |
| #4 | Kent Wanlass Leslie | 1 |
| #5 | Wanlass Sylvan D | 1 |
| #6 | Sylvan Dean Wanlass | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1287133A | High frequency parametric voltage regulator | |
| US3409822A | Voltage regulator | |
| US3403323A | Electrical energy translating devices and regulators using the same | |
| CA875161A | Parametric voltage regulator | |
| CA878717A | High frequency parametric voltage regulator | |
| CA852838A | Ac solid state voltage regulator | |
| CA880499A | Phase converter |