- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 29/00 - Underground or underwater structuresRetaining walls
Patent holdings for IPC class E02D 29/00
Total number of patents in this class: 161
10-year publication summary
|
17
|
13
|
15
|
18
|
11
|
11
|
10
|
13
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperloop Technologies, Inc. | 181 |
7 |
| The American Drain Company, LLC | 8 |
6 |
| Contech Engineered Solutions LLC | 278 |
6 |
| Nippon Steel Corporation | 6286 |
4 |
| Tensar International Corporation | 134 |
4 |
| Geneva Pipe and Precast Company | 9 |
4 |
| AFL Telecommunications LLC | 719 |
3 |
| AIL International Inc. | 66 |
3 |
| StormTrap LLC | 33 |
3 |
| Fresh Creek Technologies, LLC. | 9 |
3 |
| ADProducts, LLC | 6 |
2 |
| Fluor Technologies Corporation | 375 |
2 |
| Grade Separation Systems Inc. | 5 |
2 |
| Kyungpook National University Industry-Academic Cooperation Foundation | 1149 |
2 |
| Nihon Kankyo Seizou Kabushiki Kaisha | 6 |
2 |
| NuScale Power, LLC | 277 |
2 |
| Quanta Associates, L.P. | 431 |
2 |
| Sandvik Mining and Construction Oy | 837 |
2 |
| Shaw Technologies, Inc. | 3 |
2 |
| Dome Technology, LLC | 6 |
2 |
| Other owners | 98 |