- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 29/00 - Underground or underwater structures; Retaining walls
Patent holdings for IPC class E02D 29/00
Total number of patents in this class: 171
10-year publication summary
15
|
20
|
18
|
18
|
20
|
15
|
11
|
11
|
13
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hyperloop Technologies, Inc. | 207 |
7 |
The American Drain Company, LLC | 8 |
6 |
Contech Engineered Solutions LLC | 208 |
6 |
Nippon Steel Corporation | 5649 |
4 |
Tensar International Corporation | 118 |
4 |
Geneva Pipe and Precast Company | 9 |
4 |
AFL Telecommunications LLC | 656 |
3 |
StormTrap LLC | 30 |
3 |
Fresh Creek Technologies, LLC. | 10 |
3 |
ADProducts, LLC | 7 |
2 |
AIL International Inc. | 65 |
2 |
The Charles Machine Works, Inc. | 411 |
2 |
e & D Company, LLC | 2 |
2 |
Fluor Technologies Corporation | 410 |
2 |
Grade Separation Systems Inc. | 5 |
2 |
Kyungpook National University Industry-Academic Cooperation Foundation | 1041 |
2 |
Nihon Kankyo Seizou Kabushiki Kaisha | 6 |
2 |
Quanta Associates, L.P. | 435 |
2 |
Sandvik Mining and Construction Oy | 703 |
2 |
Shaw Technologies, Inc. | 3 |
2 |
Other owners | 109 |