- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/16 - Connections between non-parallel members of the supporting construction the members lying in different planes
Patent holdings for IPC class E04B 9/16
Total number of patents in this class: 72
10-year publication summary
|
3
|
6
|
7
|
11
|
6
|
7
|
10
|
9
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 307 |
7 |
| Saint-Gobain Acoustical Products International B.V. | 7 |
6 |
| AFI Licensing LLC | 226 |
4 |
| Armstrong World Industries, Inc. | 358 |
4 |
| Knauf Gips KG | 602 |
4 |
| Saint-Gobain Ecophon AB | 176 |
4 |
| CertainTeed Ceilings Corporation | 103 |
3 |
| Hunter Douglas Industries BV | 282 |
3 |
| Yoshino Gypsum Co., Ltd. | 252 |
3 |
| Polygrid Pty Ltd | 4 |
3 |
| Mitek Holdings, Inc. | 252 |
2 |
| Roman Empire AS | 3 |
2 |
| ROCKWOOL International A/S | 306 |
2 |
| Brandon C. Winn | 6 |
2 |
| Ken Huber | 6 |
2 |
| MA, Zili | 3 |
2 |
| Quicktrak Ltd | 2 |
2 |
| ASC Engineered Solutions, LLC | 302 |
2 |
| Zentia Limited | 41 |
2 |
| Arktura, LLC | 143 |
1 |
| Other owners | 12 |