| Class | Subclass | Patent |
| 100 | 35 | 07913616 |
| 48 | 07913617 | |
| 101 | 3.1 | 07913618 |
| 27 | 07913619 | |
| 450.1 | 07913620 | |
| 477 | 07913621 | |
| 487 | 07913622 | |
| 102 | 254 | 07913623 |
| 275.8 | 07913624 | |
| 431 | 07913625 | |
| 517 | 07913626 | |
| 104 | 128 | 07913627 |
| 105 | 458 | 07913628 |
| 106 | 18 | 07914614 |
| 31.6 | 07914615 | |
| 07914616 | ||
| 483 | 07914617 | |
| 819 | 07914618 | |
| 108 | 51.3 | 07913629 |
| 56.3 | 07913630 | |
| 92 | 07913631 |