| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | Switzerland | 4 | |
| #3 | Austria | 1 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Spark gaps and corona devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smits Wijtze Beije | 8 |
| #2 | Wijtze Beije Smits | 4 |
| Publication | Filing date | Title |
|---|---|---|
| CA459056A | Low tension sparking plug | |
| CA455276A | Low tension electrical ignition system | |
| CA307619A | Electric heating device | |
| CA455278A | Low tension sparking plug | |
| CA455279A | Sparking plug | |
| CA455277A | Low tension sparking plug |