| Class | Subclass | Patent |
| 51 | 21 | 07905932 |
| 52 | 8 | 07905060 |
| 84 | 07905061 | |
| 92.1 | 07905062 | |
| 125.5 | 07905063 | |
| 173.3 | 07905064 | |
| 202 | 07905065 | |
| 223.14 | 07905066 | |
| 293.3 | 07905067 | |
| 301 | 07905068 | |
| 514 | 07905069 | |
| 604 | 07905070 | |
| 717.01 | 07905071 | |
| 783.1 | 07905072 | |
| 838 | 07905073 | |
| 53 | 403 | 07905074 |
| 472 | 07905075 | |
| 473 | 07905076 | |
| 523 | 07905077 | |
| 55 | 282.3 | 07905933 |
| 320 | 07905934 | |
| 341.1 | 07905935 | |
| 357 | 07905936 | |
| 444 | 07905937 | |
| 480 | 07905938 | |
| 523 | 07905939 | |
| 56 | 53 | 07905078 |
| 94 | 07905079 | |
| 203 | 07905080 | |
| 57 | 236 | 07905081 |