| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Israel | 1 | |
| #9 | Italy | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Sweden | 1 | |
| #12 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Production or use of heat | |
| #2 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schaefer Carl D | 3 |
| #2 | Schaefer C | 2 |
| #3 | Schaefer C D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3791349A | Steam generator |