- 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: 205
10-year publication summary
|
27
|
17
|
23
|
16
|
21
|
12
|
12
|
12
|
14
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 315 |
44 |
| Worthington Armstrong Venture | 120 |
17 |
| Armstrong World Industries, Inc. | 369 |
15 |
| CertainTeed Ceilings Corporation | 109 |
15 |
| AFI Licensing LLC | 240 |
12 |
| Rockwool A/S | 842 |
9 |
| Saint-Gobain Ecophon AB | 187 |
6 |
| Tate Access Floors, Inc. | 76 |
6 |
| Jlc-tech IP LLC | 27 |
4 |
| Plafometal | 8 |
4 |
| OC S.r.l. | 16 |
3 |
| USG Interiors, Inc. | 42 |
3 |
| ASC Engineered Solutions, LLC | 332 |
3 |
| Rockwool A/S | 12 |
3 |
| 3LED, Inc. | 92 |
3 |
| Axis Lighting Inc. | 66 |
2 |
| Certainteed Canada, Inc. | 56 |
2 |
| Knauf Gips KG | 643 |
2 |
| Nortek Air Solutions, LLC | 65 |
2 |
| Porta-Fab Corporation | 13 |
2 |
| Other owners | 48 |