- 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: 28
10-year publication summary
|
3
|
1
|
2
|
3
|
1
|
1
|
0
|
1
|
2
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NxtGen Toys LLC | 18 |
4 |
| Massachusetts Institute of Technology | 10051 |
2 |
| Guangzhou Alpha Culture Communications Co., Ltd. | 108 |
2 |
| Tokyo Unique Co., Ltd. | 11 |
2 |
| Traxxas LP | 714 |
2 |
| LEGO A/S | 491 |
2 |
| Mattel, Inc. | 3029 |
1 |
| Hasbro, Inc. | 2200 |
1 |
| Spin Master Ltd. | 1550 |
1 |
| Alpha Group Co. Ltd. | 270 |
1 |
| Guangdong Alpha Animation & Culture Co., Ltd. | 46 |
1 |
| Guangdong Auldey Animation & Toy Co., Ltd. | 65 |
1 |
| JAKKS Pacific, Inc. | 318 |
1 |
| TOMY Company, Ltd. | 500 |
1 |
| The University of Chicago | 1404 |
1 |
| Wells Fargo Bank, National Association, AS Successor Agent | 52 |
1 |
| GW Development UK Limited | 13 |
1 |
| JKID Limited | 1 |
1 |
| AR Racing S.r.l. | 1 |
1 |
| Kabushiki Kaisha C.P.TOM'S | 1 |
1 |
| Other owners | 0 |