| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United States | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Separation | |
| #3 | Steam generation | |
| #4 | Rotary-pistons | |
| #5 | Ignition and extinguishing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Serge Ziegler | 3 |
| #2 | Ziegler Serge | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB826134A | Improvements in or relating to oil-firing equipment | |
| US2274573A | Oil burner | |
| US2279546A | Igniting means for fuel-air burners | |
| US2188993A | Oil separator | |
| GB522879A | Apparatus for separating oil from gases or vapours |