| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Details of furnaces | |
| #2 | Special electric heating or lighting | |
| #3 | Casings for combustion chambers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Olsson Sven M J | 4 |
| #2 | Carter Frederick H N | 2 |
| #3 | Vassili Martinson | 1 |
| #4 | Carter F H N | 1 |
| #5 | Martinson William V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3053237A | Furnace lining | |
| GB809986A | Electrode clamp | |
| US2911455A | Electrode clamp | |
| US2752410A | Electrical reduction furnace having means to protect the walls thereof from heat within the furnace and to utilize otherwise wasted heat | |
| CA653798A | Furnace lining | |
| CA544053A | Electrical reduction furnace having means to protect the walls thereof from heat within the furnace and to utilize the otherwise wasted heat | |
| CA614457A | Electrode clamp |