| Utility | ||
| Subclass | Subgroup | Patent |
| A47D | 13/063 | 11109691 |
| A62D | 1/0042 | 11110311 |
| B32B | 15/09 | 11110688 |
| E05D | 7/0009 | 11111709 |
| F02B | 47/10 | 11111847 |
| F41F | 3/10 | 11112213 |
| G01C | 21/3652 | 11112261 |
| G06K | 9/00979 | 11113553 |
| Design and Plant | ||
| Class | Subclass | Patent |
| D30 | 161 | D0930292 |