- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/34 - Open-work ceilings, e.g. lattice type
Patent holdings for IPC class E04B 9/34
Total number of patents in this class: 120
10-year publication summary
|
15
|
5
|
16
|
10
|
8
|
14
|
7
|
7
|
11
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AFI Licensing LLC | 241 |
23 |
| Armstrong World Industries, Inc. | 370 |
14 |
| Arktura, LLC | 159 |
9 |
| Saint-Gobain Ecophon AB | 188 |
7 |
| USG Interiors, LLC | 319 |
7 |
| CertainTeed Ceilings Corporation | 109 |
5 |
| Eleda S.r.l. | 31 |
4 |
| Turf Design, Inc. | 51 |
4 |
| The Regents of the University of Michigan | 5038 |
3 |
| Gripple Limited | 250 |
3 |
| Worthington Armstrong Venture | 119 |
3 |
| Tomm Tech Pty Ltd | 9 |
3 |
| Signify Holding B.V. | 8181 |
3 |
| Nut Shell LLC | 18 |
2 |
| Rockwool A/S | 843 |
2 |
| Polygrid Pty Ltd | 4 |
2 |
| Picklr, Inc. | 19 |
2 |
| Koninklijke Philips N.V. | 26042 |
1 |
| 3form, LLC | 191 |
1 |
| AUTEX Industries Limited | 35 |
1 |
| Other owners | 21 |