| Class | Subclass | Patent |
| 152 | 171 | 07931060 |
| 417 | 07931061 | |
| 533 | 07931062 | |
| 156 | 62.2 | 07931765 |
| 64 | 07931766 | |
| 117 | 07931767 | |
| 07931768 | ||
| 155 | 07931769 | |
| 230 | 07931770 | |
| 247 | 07931771 | |
| 285 | 07931772 | |
| 325 | 07931773 | |
| 332 | 07931774 | |
| 345.21 | 07931775 | |
| 345.24 | 07931776 | |
| 379.6 | 07931063 | |
| 499 | 07931064 | |
| 583.3 | 07931065 |