| Class | Subclass | Patent |
| 81 | 57.19 | 07942081 |
| 177.8 | 07942082 | |
| 371 | 07942083 | |
| 429 | 07942084 | |
| 478 | 07942085 | |
| 82 | 1.11 | 07942086 |
| 83 | 76.8 | 07942087 |
| 344 | 07942088 | |
| 346 | 07942089 | |
| 84 | 298 | 07943838 |
| 312R | 07943839 | |
| 421 | 07943840 | |
| 422.3 | 07943841 | |
| 609 | 07943842 | |
| 615 | 07943843 | |
| 89 | 29 | 07942090 |
| 33.02 | 07942091 | |
| 36.13 | 07942092 |