| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 8 | |
| #2 | Australia | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Finland | 1 | |
| #5 | Norway | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cleaning | |
| #2 | Spraying devices | |
| #3 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gulstad Frank Roenfeldt | 4 |
| #2 | Pedersen Villy Leenhardt | 3 |
| #3 | Gulstad Frank R | 3 |
| #4 | Krogshede Karl | 3 |
| #5 | Andersen Tommy | 1 |
| #6 | Gulstad Frank Ronfeldt | 1 |
| #7 | Andersen Tommy Rysholt | 1 |
| #8 | Pedersen Villy L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK171930B1 | Cleaning Systems | |
| DK120793D0 | Rengoeringsanlaeg | |
| DK45393D0 | Hose clutch | |
| DK131292D0 | Rengoeringsanlaeg | |
| FI915747A0 | cleaning device | |
| DK36091D0 | Lavtryksrengoeringsanlaeg | |
| DK14191D0 | Low-pressure cleaning unit | |
| DK299890D0 | Low pressure cleaner or machine with low pressure piston for application of foamed cleaning or rinsewash | |
| DK289790D0 | Rengoeringsudstyr |