- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/32 - Walls having cavities between, but not in, the elementsWalls of elements each consisting of two or more parts kept in distance by means of spacers, all parts being solid using elements having specially designed means for stabilising the positionSpacers for cavity walls by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
Patent holdings for IPC class E04B 2/32
Total number of patents in this class: 49
10-year publication summary
|
6
|
7
|
4
|
4
|
6
|
7
|
1
|
9
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pavestone, LLC | 70 |
13 |
| Zhangjiagang Elegant Home-tech Co., Ltd | 5 |
2 |
| Airlite Plastics Co. | 92 |
1 |
| CertainTeed Gypsum, Inc. | 200 |
1 |
| Convergent Market Research, Inc. | 9 |
1 |
| CPC AG | 10 |
1 |
| CSR Building Products Limited | 49 |
1 |
| Dan-Pal | 25 |
1 |
| Euromac 2 | 9 |
1 |
| Huber Engineered Woods LLC | 106 |
1 |
| Lockwood Buildings Limited | 2 |
1 |
| Milliken & Company | 1195 |
1 |
| Oldcastle Building Products Canada, Inc. | 173 |
1 |
| Oneday Wall AB | 6 |
1 |
| Tubav Ventures Corp. | 3 |
1 |
| Valinge Innovation AB | 967 |
1 |
| Max-Block Development L.L.C. | 7 |
1 |
| Anchor Wall Systems Limited | 15 |
1 |
| Horacio Correia | 2 |
1 |
| Excel Project Management Ltd. | 4 |
1 |
| Other owners | 16 |