| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Finland | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment | |
| #2 | Household appliances | |
| #3 | Domestic washing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koelbel Gert F | 3 |
| #2 | Gert F Koelbel | 1 |
| #3 | F Koelbel Gert | 1 |
| #4 | Friedrich Koelbel Gert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1954442A1 | Electromotive hand device for cleaning window panes and the like. | |
| GB1199533A | Pillow. | |
| GB1108199A | Physical exerciser | |
| GB1103228A | Spring operated physical exerciser |