| Class | Subclass | Patent |
| 392 | 396 | 07920777 |
| 401 | 07920778 | |
| 474 | 07920779 | |
| 396 | 55 | 07920780 |
| 121 | 07920781 | |
| 128 | 07920782 | |
| 147 | 07920783 | |
| 155 | 07920784 | |
| 263 | 07920785 | |
| 411 | 07918613 | |
| 439 | 07918614 | |
| 449 | 07918615 | |
| 471 | 07918616 | |
| 510 | 07918617 | |
| 398 | 3 | 07920786 |
| 16 | 07920787 | |
| 23 | 07920788 | |
| 33 | 07920789 | |
| 65 | 07920790 | |
| 66 | 07920791 | |
| 72 | 07920792 | |
| 92 | 07920793 | |
| 131 | 07920794 | |
| 188 | 07920795 | |
| 07920796 | ||
| 210 | 07920797 | |
| 07920798 | ||
| 399 | 27 | 07920799 |
| 49 | 07920800 | |
| 55 | 07920801 | |
| 69 | 07920802 | |
| 75 | 07920803 | |
| 94 | 07920804 | |
| 111 | 07920805 | |
| 07920806 | ||
| 112 | 07920807 | |
| 121 | 07920808 | |
| 124 | 07920809 | |
| 156 | 07920810 | |
| 162 | 07920811 | |
| 266 | 07920812 | |
| 302 | 07920813 | |
| 07920814 | ||
| 328 | 07920815 | |
| 358 | 07920816 | |
| 366 | 07920817 | |
| 405 | 07920818 | |
| 07920819 | ||
| 408 | 07920820 |