| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | Austria | 1 | |
| #3 | Belgium | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Denmark | 1 | |
| #6 | France | 1 | |
| #7 | Greece | 1 | |
| #8 | Italy | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves for solid fuels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Henniges S | 2 |
| #2 | Henniges Geb Kahle Sigrid | 1 |
| #3 | Henniges Geb Kahle | 1 |
| #4 | Henniges Sigrid | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3031096A1 | Living-room chimney-piece - has central tubes forming combustion air and air intake conduits | |
| DE2732468A1 | FIREPLACE FOR A LIVING ROOM |