- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation 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: 190
10-year publication summary
|
22
|
27
|
17
|
23
|
16
|
21
|
12
|
10
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 315 |
43 |
| Worthington Armstrong Venture | 111 |
17 |
| CertainTeed Ceilings Corporation | 104 |
15 |
| AFI Licensing LLC | 212 |
11 |
| Armstrong World Industries, Inc. | 349 |
11 |
| Rockwool A/S | 784 |
10 |
| Saint-Gobain Ecophon AB | 170 |
6 |
| Plafometal | 7 |
5 |
| Jlc-tech IP LLC | 26 |
4 |
| OC S.r.l. | 14 |
4 |
| USG Interiors, Inc. | 53 |
3 |
| ASC Engineered Solutions, LLC | 295 |
3 |
| Axis Lighting Inc. | 95 |
2 |
| Certainteed Canada, Inc. | 59 |
2 |
| Fusion Optix, Inc. | 80 |
2 |
| Knauf Gips KG | 563 |
2 |
| Nortek Air Solutions, LLC | 56 |
2 |
| Porta-Fab Corporation | 12 |
2 |
| Saint-Gobain Placo | 200 |
2 |
| Tate Access Floors, Inc. | 50 |
2 |
| Other owners | 42 |