| Class | Subclass | Patent |
| 81 | 57.16 | 07921750 |
| 63.1 | 07921751 | |
| 427.5 | 07921752 | |
| 444 | 07921753 | |
| 83 | 58 | 07921754 |
| 102.1 | 07921755 | |
| 614 | 07921756 | |
| 84 | 267 | 07923616 |
| 297S | 07923617 | |
| 383R | 07923618 | |
| 423R | 07923619 | |
| 477R | 07923620 | |
| 612 | 07923621 | |
| 645 | 07923622 | |
| 701 | 07923623 | |
| 89 | 36.05 | 07921757 |
| 36.07 | 07921758 | |
| 36.17 | 07921759 | |
| 193 | 07921760 | |
| 204 | 07921761 | |
| 07921762 |