- All sections
- A - Human necessities
- A63H - Toys, e.g. tops, dolls, hoops or building blocks
- A63H 29/20 - Flywheel driving mechanisms
Patent holdings for IPC class A63H 29/20
Total number of patents in this class: 32
10-year publication summary
|
1
|
2
|
3
|
1
|
1
|
0
|
1
|
3
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NxtGen Toys LLC | 15 |
4 |
| ZipString LLC | 25 |
3 |
| Massachusetts Institute of Technology | 10201 |
2 |
| Guangzhou Alpha Culture Communications Co., Ltd. | 108 |
2 |
| Tokyo Unique Co., Ltd. | 11 |
2 |
| Traxxas LP | 834 |
2 |
| LEGO A/S | 527 |
2 |
| Mattel, Inc. | 2997 |
1 |
| Hasbro, Inc. | 2193 |
1 |
| Spin Master Ltd. | 1533 |
1 |
| Alpha Group Co. Ltd. | 279 |
1 |
| Guangdong Alpha Animation & Culture Co., Ltd. | 46 |
1 |
| Guangdong Auldey Animation & Toy Co., Ltd. | 65 |
1 |
| JAKKS Pacific, Inc. | 313 |
1 |
| TOMY Company, Ltd. | 551 |
1 |
| The University of Chicago | 1469 |
1 |
| Wells Fargo Bank, National Association, AS Successor Agent | 47 |
1 |
| GW Development UK Limited | 9 |
1 |
| JKID Limited | 1 |
1 |
| AR Racing S.r.l. | 1 |
1 |
| Other owners | 2 |