| Class | Subclass | Patent |
| 131 | 273 | 07913699 |
| 274 | 07914622 | |
| 359 | 07913700 | |
| 132 | 218 | 07913701 |
| 134 | 1.2 | 07914623 |
| 1.3 | 07914624 | |
| 25.2 | 07914625 | |
| 26 | RE042248 | |
| 30 | 07914626 | |
| 94.1 | 07913702 | |
| 184 | 07913703 | |
| 07913704 | ||
| 198 | 07913705 | |
| 07913706 | ||
| 135 | 21 | 07913707 |
| 22 | 07913708 | |
| 33.5 | 07913709 | |
| 87 | 07913710 | |
| 117 | 07913711 | |
| 136 | 210 | 07915516 |
| 244 | 07915517 | |
| 251 | 07915518 | |
| 07915519 | ||
| 255 | 07915520 | |
| 07915521 | ||
| 256 | 07915522 | |
| 259 | 07915523 | |
| 263 | 07915524 | |
| 137 | 315.11 | 07913712 |
| 354 | 07913713 | |
| 456 | 07913714 | |
| 514.7 | 07913715 | |
| 614.03 | 07913716 | |
| 138 | 89 | 07913717 |
| 112 | 07913718 | |
| 127 | 07913719 |