| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Nails | |
| #3 | Venting or aerating devices | |
| #4 | Fluid fuel combustion | |
| #5 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holm Carl Bernhard | 6 |
| Publication | Filing date | Title |
|---|---|---|
| GB684518A | Improvements in or relating to valves | |
| GB690755A | Improvements in or relating to vapour burners | |
| GB685794A | Improvements in method of securing needles in needle carriers | |
| GB516635A | Improvements in or relating to regulating nozzles for vaporizing burners | |
| GB510335A | Improvements in gasifying burners |