- All sections
- A - Human necessities
- A63G - Merry-go-rounds; swings; rocking-horses; chutes; switchbacks; similar devices for public amusement
- A63G 21/00 - Chutes; Helter-skelters
Patent holdings for IPC class A63G 21/00
Total number of patents in this class: 144
10-year publication summary
|
13
|
10
|
17
|
14
|
8
|
17
|
6
|
11
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Universal City Studios LLC | 2218 |
23 |
| Whitewater West Industries Ltd. | 170 |
21 |
| Disney Enterprises, Inc. | 6012 |
7 |
| Proslide Technology Inc. | 177 |
6 |
| Backyard Leisure Holdings, Inc. | 7 |
4 |
| PlayCore Wisconsin, Inc. | 89 |
3 |
| T. K. Chin Company Ltd. | 15 |
3 |
| Technifex Products, LLC | 28 |
3 |
| True Play LLC, DBA Stairslide LLC | 30 |
3 |
| BLD Oriental Co., Ltd. | 71 |
2 |
| HM Attractions Inc. | 14 |
2 |
| Indian Industries, Inc. | 285 |
2 |
| Landscape Structures, Inc. | 222 |
2 |
| MACK Rides GmbH & Co. KG | 93 |
2 |
| Oceaneering International, Inc. | 413 |
2 |
| Playstar, Inc. | 57 |
2 |
| Poma | 100 |
2 |
| Solowave Design Inc. | 14 |
2 |
| Whitewater West Industries Ltd. | 23 |
2 |
| Prostairs Fitness, LLC | 7 |
2 |
| Other owners | 49 |