- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/18 - Means for suspending the supporting construction
Patent holdings for IPC class E04B 9/18
Total number of patents in this class: 310
10-year publication summary
|
25
|
19
|
51
|
35
|
26
|
29
|
24
|
21
|
15
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AFI Licensing LLC | 235 |
25 |
| USG Interiors, LLC | 313 |
17 |
| Worthington Armstrong Venture | 116 |
17 |
| Saint-Gobain Ecophon AB | 183 |
15 |
| Gripple Limited | 248 |
12 |
| Zengcheng City Country Garden Property Development Company Limited | 67 |
12 |
| CertainTeed Ceilings Corporation | 107 |
10 |
| Fusion Optix, Inc. | 88 |
7 |
| Hilti Aktiengesellschaft | 3566 |
6 |
| Knauf Gips KG | 634 |
6 |
| Mitek Holdings, Inc. | 243 |
6 |
| Rockwool A/S | 815 |
5 |
| Hubbell Incorporated | 3380 |
4 |
| USG Interiors, Inc. | 43 |
4 |
| Tate Access Floors, Inc. | 74 |
4 |
| Akoustos AB | 7 |
3 |
| Armstrong World Industries, Inc. | 352 |
3 |
| Saint-Gobain Isover | 665 |
3 |
| Saint-Gobain Placo | 253 |
3 |
| Yoshino Gypsum Co., Ltd. | 262 |
3 |
| Other owners | 145 |