- All sections
- A - Human necessities
- A63G - Merry-go-rounds; swings; rocking-horses; chutes; switchbacks; similar devices for public amusement
- A63G 21/10 - Chutes; Helter-skelters with spiral tracks
Patent holdings for IPC class A63G 21/10
Total number of patents in this class: 25
10-year publication summary
|
5
|
1
|
2
|
3
|
0
|
3
|
1
|
4
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Whitewater West Industries Ltd. | 170 |
5 |
| Martin & Vleminckx Ltd. | 32 |
5 |
| Proslide Technology Inc. | 177 |
4 |
| Fischer Design-concepts SARL | 6 |
3 |
| PlayCore Wisconsin, Inc. | 89 |
3 |
| William J. Kitchen | 1 |
1 |
| Inter-fab, Inc. | 1 |
1 |
| Splashtacular, LLC | 17 |
1 |
| Van Egdom B.V. | 1 |
1 |
| True Play LLC, DBA Stairslide LLC | 30 |
1 |
| Other owners | 0 |