- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 3/30 - Constructional features of auditoriums
Patent holdings for IPC class E04H 3/30
Total number of patents in this class: 85
10-year publication summary
|
13
|
14
|
6
|
9
|
19
|
10
|
1
|
4
|
2
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oceaneering International, Inc. | 425 |
10 |
| Dolby Laboratories Licensing Corporation | 4082 |
5 |
| Willowbrook Capital Group, LLC | 10 |
5 |
| Tait Towers Manufacturing, LLC | 95 |
4 |
| Warehouse Cinemas, LLC | 9 |
3 |
| Imagine Nation B.V. | 8 |
3 |
| Snapback Seat Company Ltd. | 3 |
3 |
| Simex Entertainment Inc. | 5 |
3 |
| CJ CGV Co., Ltd. | 78 |
2 |
| Gestion Laforest Inc. | 25 |
2 |
| IMAX Corporation | 258 |
2 |
| iPic-Gold Class Entertainment, LLC | 6 |
2 |
| Irwin Seating Company | 10 |
2 |
| MACK Rides GmbH & Co. KG | 100 |
2 |
| Rogers Athletic Company, Inc. | 39 |
2 |
| Shenzhen Oct Vision Inc. | 10 |
2 |
| Simex Inc. | 11 |
2 |
| MSG Sports and Entertainment, LLC | 6 |
2 |
| MSG Entertainment Group, LLC | 46 |
2 |
| DreamLight Holdings Inc. formerly known as A Thousand Miles, LLC | 4 |
1 |
| Other owners | 26 |