- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 1/39 - Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
Patent holdings for IPC class E04C 1/39
Total number of patents in this class: 325
10-year publication summary
|
41
|
49
|
41
|
34
|
35
|
35
|
27
|
25
|
22
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anchor Wall Systems, Inc. | 129 |
26 |
| Keystone Retaining Wall Systems LLC | 188 |
23 |
| Pavestone, LLC | 79 |
17 |
| Les Materiaux de Construction Oldcastle Canada Inc. | 25 |
8 |
| Just Biofiber Corp. | 6 |
6 |
| Energy Vault, Inc. | 98 |
6 |
| Keystone Retaining Wall Systems, Inc. | 17 |
5 |
| Oldcastle Architectural, Inc. | 18 |
5 |
| Cast Stonescapes, LLC | 7 |
5 |
| Ness Inventions, Inc. | 24 |
4 |
| Just Biofiber Structural Solutions Corp. | 5 |
4 |
| Thermal Wall Technologies, LLC | 4 |
4 |
| Fastbrick IP Pty Ltd | 119 |
3 |
| Johnson Concrete Company | 4 |
3 |
| Oldcastle Building Products Canada, Inc. | 174 |
3 |
| Redi-Rock International, LLC | 57 |
3 |
| Renco World Corporation | 15 |
3 |
| Stone Strong LLC | 9 |
3 |
| Tensar International Corporation | 137 |
3 |
| MineralBuilt LLC | 5 |
3 |
| Other owners | 188 |