- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/34 - 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 filling material with or without reinforcements in small channels in, or in grooves between, the elements
Patent holdings for IPC class E04B 2/34
Total number of patents in this class: 17
10-year publication summary
|
3
|
2
|
0
|
1
|
1
|
0
|
3
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Les Materiaux de Construction Oldcastle Canada Inc. | 25 |
5 |
| Buildblock Building Systems, LLC | 23 |
1 |
| Cambridge Pavers, Inc. | 14 |
1 |
| Convergent Market Research, Inc. | 9 |
1 |
| Oldcastle Building Products Canada, Inc. | 171 |
1 |
| Verco Decking, Inc. | 29 |
1 |
| Wood Innovations Ltd. | 11 |
1 |
| Ancomap Dos, S.L. | 1 |
1 |
| Djd Projects Pty Ltd | 3 |
1 |
| True Corners, LLC | 12 |
1 |
| Tremco CPG Inc. | 312 |
1 |
| Kirşehi̇r Ahi̇ Evran Üni̇versi̇tesi̇ Rektörlüğü | 2 |
1 |
| Jensen, David I. | 5 |
1 |
| Other owners | 0 |