| Class | Subclass | Patent |
| 540 | 145 | 07919615 |
| 302 | 07919616 | |
| 544 | 158 | 07919617 |
| 330 | 07919618 | |
| 348 | 07919619 | |
| 546 | 63 | 07919620 |
| 80 | 07919621 | |
| 95 | 07919622 | |
| 123 | 07919623 | |
| 139 | 07919624 | |
| 159 | 07919625 | |
| 184 | 07919626 | |
| 275.4 | 07919627 | |
| 548 | 179 | 07919628 |
| 263.2 | 07919629 | |
| 325.1 | 07919630 | |
| 335.1 | 07919631 | |
| 374.1 | 07919632 | |
| 377.1 | 07919633 | |
| 549 | 11 | 07919634 |
| 22 | 07919635 | |
| 278 | 07919636 | |
| 335 | 07919637 |