| Class | Subclass | Patent |
| 502 | 64 | 07919421 |
| 150 | 07919422 | |
| 07919423 | ||
| 151 | 07919424 | |
| 159 | 07919425 | |
| 182 | 07919426 | |
| 185 | 07919427 | |
| 215 | 07919428 | |
| 304 | 07919429 | |
| 312 | 07919430 | |
| 327 | 07919431 | |
| 406 | 07919432 | |
| 503 | 204 | 07919433 |
| 505 | 238 | 07919434 |
| 320 | 07919435 | |
| 506 | 14 | 07919436 |
| 507 | 117 | 07919437 |
| 508 | 110 | 07919438 |
| 156 | 07919439 | |
| 159 | 07919440 |