- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 15/10 - Placing gravel or like material under water
Patent holdings for IPC class E02D 15/10
Total number of patents in this class: 34
10-year publication summary
|
4
|
1
|
1
|
5
|
4
|
3
|
1
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Van Oord Dredging and Marine Contractors B.V. | 16 |
5 |
| Cashman Dredging and Marine Contracting, Co., LLC | 37 |
4 |
| Baggermaatschappij Boskalis B.V. | 43 |
3 |
| J.F. Brennan Company, Inc. | 23 |
3 |
| China State Construction Engineering (Hong Kong) Limited | 11 |
3 |
| Kyowa Co., Ltd. | 30 |
2 |
| Saipem S.A. | 228 |
2 |
| Deme Offshore NL B.V. | 6 |
2 |
| Baker Hughes Incorporated | 5172 |
1 |
| AMCOL International Corporation | 264 |
1 |
| Dredging International N.V. | 18 |
1 |
| Saipem S.p.A. | 516 |
1 |
| Sumitomo Corporation | 57 |
1 |
| Penta-ocean Construction Co.,Ltd. | 6 |
1 |
| Ecopros AS | 1 |
1 |
| Hizen Construction Co., Ltd. | 1 |
1 |
| Jiangsu Zhongke Jiye Environmental Technology Co., Ltd | 1 |
1 |
| Yangjiang Offshore Wind Energy Laboratory | 2 |
1 |
| Other owners | 0 |