| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 11 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Furniture and games | |
| #3 | Control | |
| #4 | Consumer goods | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Co A-G Merker | 10 |
| #2 | G Merker Co A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB528827A | Improvements in or relating to gas lighting devices for use in gas heated liquid heaters | |
| CH195054A | Drainage device on wash troughs. | |
| DE644826C | Control device for gas-heated devices |