- All sections
- E - Fixed constructions
- E01C - Construction of, or surfaces for, roads, sports grounds, or the likemachines or auxiliary tools for construction or repair
- E01C 5/04 - Pavings made of prefabricated single units made of bricks
Patent holdings for IPC class E01C 5/04
Total number of patents in this class: 21
10-year publication summary
|
4
|
5
|
1
|
2
|
3
|
0
|
3
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Keystone Retaining Wall Systems LLC | 218 |
5 |
| Flexbrick, S.L. | 11 |
2 |
| Gilliam Harris Engineering, LLC | 3 |
2 |
| Erosion Prevention Products, LLC | 12 |
1 |
| Jing SI Pureland Co., Ltd. | 17 |
1 |
| MDB Texinov SA | 14 |
1 |
| Riccobene Designs LLC | 14 |
1 |
| Toto Ltd. | 1195 |
1 |
| Universidad de Alicante | 221 |
1 |
| Arelac, Inc. | 105 |
1 |
| China Tiesiju Civil Engineering Group Co., Ltd. | 32 |
1 |
| The First Engineering Co., Ltd. of Ctce Group | 10 |
1 |
| Nanjing Lishui High-Tech Venture Capital Management Co., Ltd | 165 |
1 |
| The AZEK Group LLC | 333 |
1 |
| Abes Technology Group Limited | 1 |
1 |
| Other owners | 0 |