| Class | Subclass | Patent |
| 152 | 152 | 07913732 |
| 159 | 07913733 | |
| 156 | 60 | 07914634 |
| 62.2 | 07914635 | |
| 89.11 | 07914636 | |
| 167 | 07914637 | |
| 248 | 07914638 | |
| 252 | 07914639 | |
| 256 | 07914640 | |
| 275.7 | 07914641 | |
| 304.6 | 07914642 | |
| 305 | 07914643 | |
| 325 | 07914644 | |
| 329 | 07914645 | |
| 360 | 07913734 | |
| 379.8 | 07913735 | |
| 510 | 07913736 | |
| 556 | 07913737 |