- All sections
- E - Fixed constructions
- E04C - Structural elements; building 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: 311
10-year publication summary
|
37
|
65
|
41
|
49
|
41
|
34
|
35
|
35
|
25
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anchor Wall Systems, Inc. | 227 |
28 |
| Keystone Retaining Wall Systems LLC | 228 |
26 |
| Pavestone, LLC | 76 |
16 |
| Les Materiaux de Construction Oldcastle Canada Inc. | 28 |
8 |
| Keystone Retaining Wall Systems, Inc. | 36 |
7 |
| Just Biofiber Corp. | 6 |
6 |
| Oldcastle Architectural, Inc. | 23 |
5 |
| Energy Vault, Inc. | 56 |
5 |
| Ness Inventions, Inc. | 33 |
4 |
| Tensar International Corporation | 118 |
4 |
| Just Biofiber Structural Solutions Corp. | 5 |
4 |
| Eleven Solutions RFE S.A. de C.V. | 7 |
3 |
| Johnson Concrete Company | 5 |
3 |
| Redi-Rock International, LLC | 41 |
3 |
| Renco World Corporation | 15 |
3 |
| Stone Strong LLC | 10 |
3 |
| MineralBuilt LLC | 5 |
3 |
| Thermal Wall Technologies, LLC | 3 |
3 |
| Grundland Farace, Eduardo Alberto | 3 |
3 |
| M3 Floodtec Holdings Limited | 6 |
3 |
| Other owners | 171 |