| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 8 | |
| #2 | Finland | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Norway | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Brushes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Droeser Walter | 15 |
| #2 | Ekholm Hans | 10 |
| #3 | Droeser W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9314672A1 | A device for cassettes for spring members in a rotor for e.g. a sweeping machine | |
| WO9218032A1 | A device at cassettes for spring members in a rotor for e.g. a sweeping machine | |
| WO9206612A1 | A device at cassettes for spring members in a rotor for e.g. a sweeping machine |