| Class | Subclass | Patent |
| 540 | 456 | 07923553 |
| 544 | 182 | 07923554 |
| 256 | 07923555 | |
| 315 | 07923556 | |
| 317 | 07923557 | |
| 375 | 07923558 | |
| 546 | 15 | 07923559 |
| 82 | 07923560 | |
| 159 | 07923561 | |
| 175 | 07923562 | |
| 210 | 07923563 | |
| 223 | 07923564 | |
| 301 | 07923565 | |
| 548 | 250 | 07923566 |
| 253 | 07923567 | |
| 257 | 07923568 | |
| 452 | 07923569 | |
| 492 | 07923570 | |
| 549 | 68 | 07923571 |