| Class | Subclass | Patent |
| 173 | 75 | 07909114 |
| 174 | 50 | 07910826 |
| 53 | 07910827 | |
| 58 | 07910828 | |
| 72A | 07910829 | |
| 07910830 | ||
| 07910831 | ||
| 99R | 07910832 | |
| 112 | 07910833 | |
| 07910834 | ||
| 113R | 07910835 | |
| 255 | 07910836 | |
| 262 | 07910837 | |
| 263 | 07910838 | |
| 369 | 07910839 | |
| 175 | 4.6 | 07909115 |
| 54 | 07909116 | |
| 61 | 07909117 | |
| 62 | 07909118 | |
| 403 | 07909119 | |
| 423 | 07909120 | |
| 435 | 07909121 | |
| 177 | 25.16 | 07910840 |
| 238 | 07910841 | |
| 178 | 110 | 07910842 |