- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 15/20 - Separately-laid insulating layersOther additional insulating measuresFloating floors for sound insulation
Patent holdings for IPC class E04F 15/20
Total number of patents in this class: 280
10-year publication summary
|
36
|
24
|
26
|
30
|
25
|
33
|
16
|
25
|
22
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pliteq Inc. | 74 |
9 |
| United States Gypsum Company | 949 |
8 |
| LG Hausys, Ltd. | 805 |
7 |
| UNILIN, besloten vennootschap | 1003 |
6 |
| Dow Global Technologies LLC | 11051 |
5 |
| James Hardie Technology Limited | 458 |
5 |
| Zephyros, Inc. | 694 |
5 |
| GP Industrial Plasters LLC | 9 |
5 |
| Rohm and Haas Company | 2941 |
4 |
| Toray Plastics (America), Inc. | 197 |
4 |
| Bostik SA | 688 |
4 |
| Gerflor | 122 |
4 |
| Keene Building Products Co., Inc. | 30 |
4 |
| Maxxon Corporation | 60 |
4 |
| MP Global Products, LLC | 91 |
4 |
| Pak-Lite, Inc. | 19 |
4 |
| Korea Advanced Institute of Science and Technology | 4715 |
3 |
| NOX Corporation | 50 |
3 |
| Saint-Gobain Isover | 684 |
3 |
| Saint-Gobain Weber | 175 |
3 |
| Other owners | 186 |