| Class | Subclass | Patent |
| 131 | 360 | 07921856 |
| 132 | 218 | 07921857 |
| 134 | 1 | 07922822 |
| 1.3 | 07922823 | |
| 07922824 | ||
| 18 | 07922825 | |
| 07922826 | ||
| 07922827 | ||
| 07922828 | ||
| 25.1 | 07922829 | |
| 33 | 07922830 | |
| 58D | 07922831 | |
| 137 | 07921858 | |
| 153 | 07921859 | |
| 135 | 66 | 07921860 |
| 07921861 | ||
| 100 | 07921862 | |
| 125 | 07921863 | |
| 145 | 07921864 | |
| 136 | 246 | 07923624 |
| 255 | 07923625 | |
| 256 | 07923626 | |
| 07923627 | ||
| 07923628 | ||
| 263 | 07923629 | |
| 137 | 78.3 | 07921865 |
| 81.2 | 07921866 | |
| 87.04 | 07921867 | |
| 202 | 07921868 | |
| 209 | 07921869 | |
| 243.3 | 07921870 | |
| 355.23 | 07921871 | |
| 382 | 07921872 | |
| 447 | 07921873 | |
| 513.3 | 07921874 | |
| 614.04 | 07921875 | |
| 625.21 | 07921876 | |
| 625.38 | 07921877 | |
| 625.68 | 07921878 | |
| 07921879 | ||
| 881 | 07921880 | |
| 138 | 30 | 07921881 |
| 07921882 |