- All sections
- A - Human necessities
- A63G - Merry-go-rounds; swings; rocking-horses; chutes; switchbacks; similar devices for public amusement
- A63G 21/04 - Chutes; Helter-skelters with fixed rails
Patent holdings for IPC class A63G 21/04
Total number of patents in this class: 106
10-year publication summary
|
17
|
12
|
12
|
10
|
19
|
11
|
4
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Universal City Studios LLC | 2368 |
25 |
| MACK Rides GmbH & Co. KG | 100 |
16 |
| Disney Enterprises, Inc. | 6051 |
4 |
| Dalian Wanda Group Co., Ltd. | 43 |
4 |
| Martin & Vleminckx Ltd. | 41 |
4 |
| Dynamic Structures, Ltd. | 11 |
3 |
| IDEA TV Gesellschaft fur kommunikative Unternehmensbetreuung mbH | 5 |
3 |
| Lifetime Products, Inc. | 397 |
3 |
| Vekoma Rides Engineering B.V. | 40 |
3 |
| Skysurfer International Limited | 7 |
3 |
| Rockwell Automation, Inc. | 301 |
2 |
| Kabushiki Kaisha Sega | 132 |
2 |
| Landscape Structures, Inc. | 229 |
2 |
| Leisure Time Products, LLC | 48 |
2 |
| The Gravity Group, LLC | 4 |
2 |
| Antonio Zamperla S.p.A. | 61 |
1 |
| BLD Oriental Co., Ltd. | 62 |
1 |
| Delta Enterprise Corp. | 84 |
1 |
| Dynamic Attractions Ltd. | 8 |
1 |
| Goodbaby Child Products Co., Ltd. | 188 |
1 |
| Other owners | 23 |