| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Germany | 4 | |
| #3 | Austria | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hansen Eckhard | 7 |
| #2 | Hansen Eckard | 2 |
| #3 | Hansen E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH656515A5 | Backrest support for sitting furniture | |
| CH656514A5 | Sitting support for sitting furniture with an upright or turning column | |
| DE3130999A1 | WORK CHAIR WITH ADJUSTABLE SEAT AND BACKREST | |
| DE3117666A1 | Swivel chair on castors | |
| DE3116459A1 | Chair | |
| DE3109542A1 | Self-supporting plastic seating panel for seats | |
| ATA43281A | Seat furniture |