- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 13/21 - Fastening means specially adapted for covering or lining elements
Patent holdings for IPC class E04F 13/21
Total number of patents in this class: 187
10-year publication summary
|
21
|
15
|
22
|
17
|
14
|
6
|
21
|
10
|
17
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advanced Architectural Products, LLC | 78 |
7 |
| CFS Concrete Forming Systems Inc. | 94 |
6 |
| Nichiha Corporation | 168 |
6 |
| CertainTeed LLC | 637 |
6 |
| Masonry Support Systems Limited | 21 |
5 |
| Stryker Corporation | 5337 |
4 |
| Quadrosera Corporation | 10 |
4 |
| Panasonic Corporation | 19060 |
3 |
| Hohmann & Barnard, Incorporated | 126 |
3 |
| Saint-Gobain Isover | 678 |
3 |
| Derby Building Products Inc. | 86 |
3 |
| 0776425 B.C. Ltd. | 9 |
3 |
| Acculign Holdings, Inc. | 12 |
2 |
| Barrette Outdoor Living, Inc. | 249 |
2 |
| DIRTT Environmental Solutions, Ltd. | 306 |
2 |
| FERO Corporation | 50 |
2 |
| Floatmax Systems | 3 |
2 |
| Hunter Douglas Industries BV | 263 |
2 |
| James Hardie Technology Limited | 458 |
2 |
| Oldcastle Apg, Inc. | 65 |
2 |
| Other owners | 118 |