| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Australia | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sutcliffe Desmond Richard Robi | 5 |
| #2 | Beltzig Guenter | 3 |
| #3 | Gray Philip John | 3 |
| #4 | Critchlow Keith | 3 |
| #5 | Beltzig Gunter | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US4943046A | Playground apparatus | |
| GB8804782D0 | Structures for supporting load in tension | |
| GB8804781D0 | Swing seats | |
| GB8702279D0 | Node member for use in building a geodesic structure | |
| GB8621224D0 | Seats for swings |