Patent holdings for IPC class E04H 3/22

Total number of patents in this class: 129

10-year publication summary

13
18
12
19
10
6
7
6
7
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Crystal Lagoons Technologies, Inc.
131
21
CJ 4D Plex Co., Ltd.
27
6
CJ CGV Co., Ltd.
79
6
Dolby Laboratories Licensing Corporation
4341
6
IMAX Corporation
265
6
Barco N.V.
569
3
Electronic Theatre Controls, Inc.
258
3
Shenzhen Oct Vision Inc.
10
3
Warehouse Cinemas, LLC
8
3
Gemco Display and Store Fixtures, LLC
8
3
4Topps LLC
10
2
CJ 4DPLEX Co., Ltd.
88
2
Image Limited
2
2
Saint-Gobain Ecophon AB
187
2
Tait Towers Manufacturing, LLC
84
2
UnchartedVR, Inc., DBA Nomadic
10
2
Willowbrook Capital Group, LLC
10
2
CS Inventions, LLC
2
2
Pierre Chican
2
2
Falcon's Beyond Global, LLC
41
2
Other owners 49