- 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: 25
10-year publication summary
|
3
|
1
|
2
|
3
|
1
|
1
|
0
|
1
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 9931 |
2 |
| Guangzhou Alpha Culture Communications Co., Ltd. | 107 |
2 |
| Tokyo Unique Co., Ltd. | 11 |
2 |
| Traxxas LP | 679 |
2 |
| LEGO A/S | 480 |
2 |
| NxtGen Toys LLC | 16 |
2 |
| Mattel, Inc. | 3073 |
1 |
| Hasbro, Inc. | 2205 |
1 |
| Spin Master Ltd. | 1563 |
1 |
| Alpha Group Co. Ltd. | 269 |
1 |
| Guangdong Alpha Animation & Culture Co., Ltd. | 46 |
1 |
| Guangdong Auldey Animation & Toy Co., Ltd. | 65 |
1 |
| JAKKS Pacific, Inc. | 319 |
1 |
| TOMY Company, Ltd. | 478 |
1 |
| Wells Fargo Bank, National Association, AS Successor Agent | 28 |
1 |
| GW Development UK Limited | 13 |
1 |
| JKID Limited | 2 |
1 |
| AR Racing S.r.l. | 1 |
1 |
| Kabushiki Kaisha C.P.TOM'S | 1 |
1 |
| Other owners | 0 |