510(k) · Cleared
ClearedWu's 4-Wheeled Neo Scooter, WT-L4
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Wu'S Tech Co., Ltd. · INI Vehicle, Motorized 3-Wheeled
Cleared on Jul 30, 2002 after a 259-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 30 later devices descend from it.
- Decided
- Jul 30, 2002
- Review
- 259 days
- Class
- Class II
- Product code
- INI
- Recalls
- None
- Predicates
- 0
30 later devices descend from it, 6 citing it directly.
- This deviceK013763 Wu's 4-Wheeled Neo Scooter, WT-L4Wu'S Tech Co., Ltd. · 2002
- Descendant · cites it directly · 21 of its ownK033239 BE-Mobile 4-Wheeled Electric Scooter, Model DK S500Tung Keng Enterprise Co., Ltd. · 2003
- Descendant · 2 generations on · 19 of its ownK043326 Bewell, Model SC 20Cycling and Health Tech. Industry R&D Center · 2005
- Descendant · 3 generations on · 12 of its ownK051538 Avanticare, Model SA4022Lerado China Limited · 2005
- Descendant · 4 generations on · 9 of its ownK072630 Foru, Model EQ30Kwang Yang Motor Co., Ltd. · 2007
- Descendant · cites it directly · 3 of its ownK032617 Wu's 4-Wheeled Scooter, WT-L4JRWu'S Tech Co., Ltd. · 2003
Showing 5 of 30 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 30 · See all- K033239BE-Mobile 4-Wheeled Electric Scooter, Model DK S500Tung Keng Enterprise Co., Ltd. · 2003 · cites it directly21descendants
- K043326Bewell, Model SC 20Cycling and Health Tech. Industry R&D Center · 2005 · 2 generations on19descendants
- K051538Avanticare, Model SA4022Lerado China Limited · 2005 · 3 generations on12descendants
- K072630Foru, Model EQ30Kwang Yang Motor Co., Ltd. · 2007 · 4 generations on9descendants
- K032617Wu's 4-Wheeled Scooter, WT-L4JRWu'S Tech Co., Ltd. · 2003 · cites it directly3descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K013763 | Wu's 4-Wheeled Neo Scooter, WT-L4 | Wu'S Tech Co., Ltd. | 2002 | — |
| +1 | K033239 | BE-Mobile 4-Wheeled Electric Scooter, Model DK S500 | Tung Keng Enterprise Co., Ltd. | 2003 | — |
| +2 | K043326 | Bewell, Model SC 20 | Cycling and Health Tech. Industry R&D Center | 2005 | — |
| +3 | K051538 | Avanticare, Model SA4022 | Lerado China Limited | 2005 | — |
| +4 | K072630 | Foru, Model EQ30 | Kwang Yang Motor Co., Ltd. | 2007 | — |
| +1 | K032617 | Wu's 4-Wheeled Scooter, WT-L4JR | Wu'S Tech Co., Ltd. | 2003 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 5 | 0 |
| 2004 | 2 | 0 |
| 2005 | 7 | 0 |
| 2006 | 2 | 0 |
| 2007 | 4 | 0 |
| 2008 | 4 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2013 | 1 | 0 |
| 2017 | 2 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in INI? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new INI device
- #1 K231428 Mobility Scooter (Models: W3431D)score 23.1 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
What descends from it? (30)
See all 306 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K033239 | BE-Mobile 4-Wheeled Electric Scooter, Model DK S500 | 2003 | 21 |
| K032617 | Wu's 4-Wheeled Scooter, WT-L4JR | 2003 | 3 |
| K050042 | Wu's 4-Wheeled Neo Scooter, WT-XL4 | 2005 | 0 |
| K033220 | BE-Mobile 4-Wheeled Electric Scooter, Model DK S280 | 2003 | 0 |
| K033219 | BE-Mobile 4-Wheeled Electric Scooter, Model DK S600 | 2003 | 0 |
| K033204 | Esg 4-Wheel Scooter, Esg-03 | 2003 | 0 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K033239 (Tung Keng Enterprise Co., Ltd., 2003) has gone furthest, with 21 descendants of its own.
How does its category compare?
All INI devicesINI Vehicle, Motorized 3-Wheeled: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · INI
21so far in 2026, the most since 2007
2026 to Oct 25, outlined.
Median 510(k) review, days · INI
111in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · INI
1in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · INI
26in 2025
MAUDE reports naming product code INI, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 18 | 29 | 2 | 64 |
| 2008 | 7 | 28 | 0 | 29 |
| 2009 | 12 | 41 | 0 | 25 |
| 2010 | 5 | 46 | 3 | 56 |
| 2011 | 5 | 130 | 3 | 70 |
| 2012 | 1 | — | 0 | 172 |
| 2013 | 2 | — | 1 | 454 |
| 2014 | 1 | — | 0 | 567 |
| 2015 | 9 | 202 | 0 | 151 |
| 2016 | 1 | — | 0 | 76 |
| 2017 | 5 | 191 | 0 | 45 |
| 2018 | 3 | 266 | 0 | 51 |
| 2019 | 4 | 298 | 0 | 25 |
| 2020 | 1 | — | 0 | 26 |
| 2021 | 5 | 575 | 0 | 41 |
| 2022 | 6 | 159 | 0 | 41 |
| 2023 | 9 | 123 | 0 | 32 |
| 2024 | 8 | 137 | 0 | 31 |
| 2025 | 15 | 111 | 0 | 26 |
| 2026 | 21 | 108 | 0 | — |
What is it indicated for?
The device is iiiferiden for iiredicnl purposes lo provide mobility to persotts restricted to n seated position.
Indications for use as stated in the FDA 510(k) statement.
https://510kreport.com/device/K013763 · printed Nov 6, 2026
Cite this page
510(k) Report. “K013763: Wu's 4-Wheeled Neo Scooter, WT-L4.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K013763
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026