- All sections
- E - Fixed constructions
- E04C - Structural elements; building materials
- E04C 2/20 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of foamed products of plastics
Patent holdings for IPC class E04C 2/20
Total number of patents in this class: 351
10-year publication summary
|
50
|
60
|
52
|
50
|
42
|
39
|
22
|
38
|
19
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro LLC | 577 |
19 |
| Georgia-Pacific Gypsum LLC | 204 |
9 |
| Sika Technology AG | 2650 |
9 |
| Johns Manville | 980 |
8 |
| Lignum Technologies AG | 79 |
8 |
| Holcim Technology Ltd. | 868 |
7 |
| Shaw Industries Group, Inc. | 275 |
7 |
| Owens Corning Intellectual Capital, LLC | 1456 |
6 |
| BASF SE | 19740 |
5 |
| Advanced Architectural Products, LLC | 72 |
5 |
| Huber Engineered Woods LLC | 128 |
5 |
| SABIC Global Technologies B.V. | 4044 |
5 |
| CBG Systems International Pty Ltd | 6 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Composite Panel Systems, LLC | 38 |
4 |
| Pak-Lite, Inc. | 14 |
4 |
| Valinge Innovation AB | 915 |
4 |
| Kaneka Corporation | 4445 |
3 |
| Fergusson's Advanced Composite Technology Limited | 7 |
3 |
| Keter Plastic Ltd. | 300 |
3 |
| Other owners | 228 |