| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 7 | |
| #2 | France | 4 | |
| #3 | Canada | 3 | |
| #4 | German Democratic Republic | 2 | |
| #5 | Denmark | 2 | |
| #6 | Finland | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Ireland | 2 | |
| #9 | Italy | 2 | |
| #10 | Norway | 2 | |
| #11 | Poland | 2 | |
| #12 | Australia | 1 | |
| #13 | Belgium | 1 | |
| #14 | Germany | 1 | |
| #15 | Japan | 1 | |
| #16 | Luxembourg | 1 | |
| #17 | Netherlands | 1 | |
| #18 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Machine tools | |
| #5 | Mechanical elements | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Unspecified technologies | |
| #3 | Ships | |
| #4 | Belts or cables for driving | |
| #5 | Turning | |
| #6 | Vehicle parts | |
| #7 | Buttons, pins and buckles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swensson Torsten | 18 |
| #2 | Knorring Enar Von | 15 |
| #3 | Von Knorring Enar | 5 |
| #4 | Von Knorring E | 2 |
| #5 | Knorring E V | 1 |
| #6 | Swensson T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1164332A | Latch for a pulling rope | |
| IE820784L | Roller blinds | |
| DK58282A | Roller blind | |
| IE792192L | Roller blinds | |
| JPS55108589A | Roller blind | |
| FI793545A | Rullgardinskonstruktion | |
| SE7907364L | Locking device for pulling lines | |
| DD133894A5 | Roll curtain | |
| IT1090903B | Roller blind with displaceable blind holder - has flange rollers and cords attached to movable sleeve bringing blind against window | |
| FR2373667A1 | Roller blind with displaceable blind holder - has flange rollers and cords attached to movable sleeve bringing blind against window |