| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Germany | 3 | |
| #3 | Denmark | 3 | |
| #4 | United States | 3 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Netherlands | 2 | |
| #8 | Sweden | 2 | |
| #9 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heidenescher Hermann | 11 |
| #2 | Appel Hans | 9 |
| #3 | Wielebinski Werner | 5 |
| #4 | Starcke Carl | 4 |
| #5 | Heidenescher H | 2 |
| #6 | Appel H | 2 |
| #7 | Appel Hans Dipl Ing | 2 |
| #8 | Starcke Carl Dipl-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3536160A1 | SIDE TRAIN ROLLER | |
| DE3428483C1 | Spring roller blind | |
| DE3232722A1 | SIDE TRAIN BLINDS |