- 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: 304
10-year publication summary
|
27
|
28
|
22
|
56
|
42
|
28
|
32
|
29
|
23
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AFI Licensing LLC | 226 |
24 |
| USG Interiors, LLC | 307 |
17 |
| Worthington Armstrong Venture | 112 |
17 |
| Saint-Gobain Ecophon AB | 176 |
15 |
| Gripple Limited | 240 |
12 |
| Zengcheng City Country Garden Property Development Company Limited | 67 |
12 |
| CertainTeed Ceilings Corporation | 103 |
10 |
| Hilti Aktiengesellschaft | 3495 |
6 |
| Fusion Optix, Inc. | 90 |
6 |
| Knauf Gips KG | 602 |
6 |
| Mitek Holdings, Inc. | 252 |
6 |
| Rockwool A/S | 783 |
5 |
| Hubbell Incorporated | 3266 |
4 |
| Armstrong World Industries, Inc. | 358 |
4 |
| IG Creative Solutions, Inc. | 8 |
4 |
| USG Interiors, Inc. | 49 |
4 |
| Akoustos AB | 7 |
3 |
| Saint-Gobain Isover | 631 |
3 |
| Yoshino Gypsum Co., Ltd. | 252 |
3 |
| Brandon C. Winn | 6 |
3 |
| Other owners | 140 |