| Class | Subclass | Patent |
| 110 | 278 | 07921786 |
| 111 | 121 | 07921787 |
| 112 | 237 | 07921788 |
| 410 | 07921789 | |
| 114 | 125 | 07921790 |
| 219 | 07921791 | |
| 230.1 | 07921792 | |
| 253 | 07921793 | |
| 294 | 07921794 | |
| 331 | 07921795 | |
| 361 | 07921796 | |
| 07921797 | ||
| 116 | 206 | 07921798 |
| 117 | 7 | 07922812 |
| 73 | RE042279 | |
| 84 | 07922813 | |
| 85 | 07922814 | |
| 200 | 07922815 | |
| 201 | 07922816 | |
| 206 | 07922817 | |
| 118 | 300 | 07921799 |
| 663 | 07921800 | |
| 692 | 07921801 | |
| 696 | 07921802 | |
| 712 | 07921803 | |
| 715 | 07922818 | |
| 719 | 07922819 | |
| 723MW | 07921804 | |
| 723VE | 07921805 | |
| 726 | 07922820 | |
| 07922821 | ||
| 119 | 14.49 | 07921806 |
| 28.5 | 07921807 | |
| 52.2 | 07921808 | |
| 57.8 | 07921809 | |
| 421 | 07921810 | |
| 501 | 07921811 | |
| 604 | 07921812 | |
| 606 | 07921813 | |
| 710 | 07921814 | |
| 786 | 07921815 |