- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding 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 wood, fibres, chips, vegetable stems, or the likeBuilding elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of plasticsBuilding 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: 368
10-year publication summary
|
60
|
52
|
51
|
42
|
39
|
23
|
40
|
21
|
24
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro LLC | 579 |
19 |
| Valinge Innovation AB | 970 |
10 |
| Georgia-Pacific Gypsum LLC | 219 |
9 |
| Sika Technology AG | 2855 |
9 |
| Holcim Technology Ltd. | 985 |
8 |
| Shaw Industries Group, Inc. | 324 |
8 |
| Lignum Technologies AG | 64 |
8 |
| Johns Manville | 955 |
6 |
| Owens Corning Intellectual Capital, LLC | 1629 |
6 |
| BASF SE | 20874 |
5 |
| Advanced Architectural Products, LLC | 76 |
5 |
| Huber Engineered Woods LLC | 106 |
5 |
| CBG Systems International Pty Ltd | 6 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
4 |
| Composite Panel Systems, LLC | 37 |
4 |
| Pak-Lite, Inc. | 17 |
4 |
| Wellmade Floor Covering Int'l Inc. | 15 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8664 |
3 |
| PPG Industries Ohio, Inc. | 3458 |
3 |
| Kaneka Corporation | 4496 |
3 |
| Other owners | 240 |