- 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 5/02 - Pavings made of prefabricated single units made of natural stones, e.g. sett stones
Patent holdings for IPC class E01C 5/02
Total number of patents in this class: 13
10-year publication summary
|
1
|
1
|
2
|
1
|
1
|
1
|
4
|
0
|
1
|
0
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| 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 |
1 |
| Oldcastle Building Products Canada, Inc. | 174 |
1 |
| Riccobene Designs LLC | 13 |
1 |
| Transpave Inc. | 2 |
1 |
| Vyking Wall Systems, LLC | 2 |
1 |
| Zorutek, S.l.l. | 2 |
1 |
| zarmuTEC GmbH & Co. KG | 2 |
1 |
| Solar Earth Technologies Ltd. | 7 |
1 |
| Sejoo Co., Ltd. | 3 |
1 |
| Daidore Co.,Ltd. | 1 |
1 |
| Welsh, Michael Allan | 1 |
1 |
| Huadong Engineering Corporation Limited | 2 |
1 |
| Zhejiang Huadong Engineering Construction Management Co., Ltd. | 1 |
1 |
| Other owners | 0 |