| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Canada | 3 | |
| #3 | Italy | 3 | |
| #4 | Japan | 3 | |
| #5 | Netherlands | 2 | |
| #6 | United States | 2 | |
| #7 | Spain | 1 | |
| #8 | Israel | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Thermal processes | |
| #3 | Electrical machinery and energy | |
| #4 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edwards Harrison F | 7 |
| #2 | Harison Efu Edowaazu | 2 |
| #3 | Bottorf Stewart F | 2 |
| #4 | Edwards Harrison Ferdinand | 2 |
| #5 | Harison Fuaadeinando Edowaazu | 1 |
| #6 | Ells Edward G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA978589A | Photosensitive control apparatus with movable light control member | |
| US3699387A | Ionic wind machine | |
| US3316709A | Transparent dial |