| Subclass | Subgroup | Patent |
| B63B | 1/246 | 12391337 |
| 13/00 | 12391338 | |
| 21/00 | 12391339 | |
| 21/50 | 12391340 | |
| 29/04 | 12391341 | |
| 32/10 | 12391342 | |
| 35/44 | 12391343 | |
| 12391344 | ||
| 39/04 | 12391345 | |
| 43/18 | 12391346 | |
| 59/02 | 12391347 | |
| B63C | 1/06 | 12391348 |
| 9/1255 | 12391349 | |
| B63H | 20/12 | 12391350 |
| 12391351 | ||
| 20/285 | 12391352 | |
| 20/32 | 12391353 | |
| 20/36 | 12391354 | |
| 21/305 | 12391355 |