Devices descending from K153543
7 later devices reach WHILL Model M through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K213383 | WHILL Model C2 | Whill, Inc. | 2021 | 6 | Class I |
| +2 | K261175 | WHILL (WHILL Model C2) | Whill, Inc. | 2026 | 0 | — |
| +2 | K223393 | Electric Wheelchair | Shanghai Bangbang Robotics Co., Ltd. | 2023 | 3 | — |
| +2 | K221438 | WHILL Model F | Whill, Inc. | 2022 | 0 | Class I |
| +3 | K231868 | Electric Wheelchair (Robooter E40), Model name: BBR-E40-01 | Shanghai Bangbang Robotics Co., Ltd. | 2023 | 2 | — |
| +4 | K253276 | Electric Wheelchair (Robooter E80) (BBR-E80-01); Electric Wheelchair (Robooter E80)… | Shanghai Bangbang Robotics Co., Ltd. | 2026 | 0 | — |
| +4 | K240339 | Electric Wheelchair (Robooter E60) (BBR-E60-01); Electric Wheelchair (Robooter E60)… | Shanghai Bangbang Robotics Co., Ltd. | 2024 | 0 | — |