- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation 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: 286
10-year publication summary
|
23
|
27
|
28
|
22
|
56
|
42
|
29
|
30
|
25
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AFI Licensing LLC | 204 |
24 |
| USG Interiors, LLC | 324 |
17 |
| Worthington Armstrong Venture | 110 |
17 |
| Gripple Limited | 219 |
12 |
| Zengcheng City Country Garden Property Development Company Limited | 67 |
12 |
| Saint-Gobain Ecophon AB | 156 |
11 |
| CertainTeed Ceilings Corporation | 101 |
10 |
| Hilti Aktiengesellschaft | 3227 |
6 |
| Mitek Holdings, Inc. | 250 |
6 |
| Fusion Optix, Inc. | 80 |
5 |
| Armstrong World Industries, Inc. | 347 |
4 |
| IG Creative Solutions, Inc. | 8 |
4 |
| Knauf Gips KG | 534 |
4 |
| USG Interiors, Inc. | 54 |
4 |
| Rockwool A/S | 753 |
4 |
| Hubbell Incorporated | 3052 |
3 |
| Akoustos AB | 7 |
3 |
| Innovative Building Technologies, LLC | 70 |
3 |
| Saint-Gobain Isover | 603 |
3 |
| Yoshino Gypsum Co., Ltd. | 224 |
3 |
| Other owners | 131 |