| Class | Subclass | Patent |
| 270 | 32 | 07931259 |
| 52.2 | 07931260 | |
| 52.26 | 07931261 | |
| 58.09 | 07931262 | |
| 271 | 3.01 | 07931263 |
| 9.02 | 07931264 | |
| 114 | 07931265 | |
| 126 | 07931266 | |
| 164 | 07931267 | |
| 182 | 07931268 | |
| 184 | 07931269 | |
| 07931270 | ||
| 186 | 07931271 | |
| 204 | 07931272 | |
| 214 | 07931273 | |
| 264 | 07931274 | |
| 273 | 146 | 07931275 |
| 277 | 355 | 07931276 |
| 399 | 07931277 | |
| 563 | 07931278 | |
| 630 | 07931279 | |
| 650 | 07931280 |