- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 5/12 - Locking formsEdge jointsPile crossingsBranch pieces
Patent holdings for IPC class E02D 5/12
Total number of patents in this class: 16
10-year publication summary
|
1
|
4
|
2
|
2
|
1
|
3
|
2
|
0
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pnd Engineers, Inc. | 18 |
2 |
| Pirkan Laatupalvelu Oy | 11 |
2 |
| Ridgerock Retaining Walls, LLC | 18 |
2 |
| CMI Limited Company | 45 |
1 |
| Technological Resources Pty. Limited | 452 |
1 |
| Zhengzhou University | 128 |
1 |
| Comtec Industries Pty Ltd | 2 |
1 |
| Seagi Engineering Co., Ltd. | 1 |
1 |
| Gooimeer B.V. | 3 |
1 |
| Contruss Engineering Co. | 1 |
1 |
| Henan Institute of Sun Yat-sen University | 1 |
1 |
| Poundfield Precast Limited | 5 |
1 |
| China Railway Shanghai Design Institute Group Co., Ltd | 8 |
1 |
| Other owners | 0 |