| Class | Subclass | Patent |
| 290 | 1R | 07919876 |
| 43 | 07919877 | |
| 07919878 | ||
| 44 | 07919879 | |
| 07919880 | ||
| 292 | 92 | 07918487 |
| 294 | 103.1 | 07918488 |
| 296 | 68.1 | 07918489 |
| 97.4 | 07918490 | |
| 97.8 | 07918491 | |
| 146.12 | 07918492 | |
| 187.09 | 07918493 | |
| 192 | 07918494 | |
| 297 | 42 | 07918495 |
| 75 | 07918496 | |
| 130 | 07918497 | |
| 180.1 | 07918498 | |
| 183.4 | 07918499 | |
| 215.16 | 07918500 | |
| 216.2 | 07918501 | |
| 217.1 | 07918502 | |
| 234 | 07918503 | |
| 248 | 07918504 | |
| 260.2 | 07918505 | |
| 284.3 | 07918506 | |
| 341 | 07918507 | |
| 423.26 | 07918508 | |
| 440.22 | 07918509 | |
| 452.27 | 07918510 | |
| 463.1 | 07918511 | |
| 299 | 39.4 | 07918512 |