- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/12 - Connections between non-parallel members of the supporting construction
Patent holdings for IPC class E04B 9/12
Total number of patents in this class: 196
10-year publication summary
|
20
|
19
|
15
|
19
|
14
|
17
|
9
|
9
|
10
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 308 |
43 |
| Worthington Armstrong Venture | 113 |
17 |
| CertainTeed Ceilings Corporation | 106 |
15 |
| Armstrong World Industries, Inc. | 351 |
14 |
| AFI Licensing LLC | 234 |
12 |
| Rockwool A/S | 799 |
9 |
| Saint-Gobain Ecophon AB | 181 |
7 |
| Plafometal | 9 |
5 |
| Jlc-tech IP LLC | 25 |
4 |
| Fusion Optix, Inc. | 88 |
3 |
| OC S.r.l. | 15 |
3 |
| USG Interiors, Inc. | 47 |
3 |
| ASC Engineered Solutions, LLC | 309 |
3 |
| Rockwool A/S | 12 |
3 |
| Axis Lighting Inc. | 80 |
2 |
| Certainteed Canada, Inc. | 59 |
2 |
| Knauf Gips KG | 611 |
2 |
| Nortek Air Solutions, LLC | 56 |
2 |
| Porta-Fab Corporation | 13 |
2 |
| Saint-Gobain Placo | 236 |
2 |
| Other owners | 43 |