| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Denmark | 3 | |
| #3 | Sweden | 3 | |
| #4 | Italy | 2 | |
| #5 | United States | 1 | |
| #6 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Textiles and paper | |
| #3 | Chemical engineering | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Static electricity | |
| #2 | Printing machines | |
| #3 | Spark gaps and corona devices | |
| #4 | Finishing textile fabrics | |
| #5 | Printing processes | |
| #6 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spengler W | 8 |
| Publication | Filing date | Title |
|---|---|---|
| DK144720B | Device for electrostatic charges |