- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 1/04 - Sampling of soil
Patent holdings for IPC class E02D 1/04
Total number of patents in this class: 67
10-year publication summary
|
13
|
8
|
4
|
5
|
4
|
3
|
4
|
3
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ConocoPhillips Company | 1677 |
3 |
| Hi-Tec Inc. | 5 |
3 |
| Schlumberger Technology Corporation | 10898 |
2 |
| Schlumberger Canada Limited | 7369 |
2 |
| Purdue Research Foundation | 3673 |
2 |
| Fugro N.V. | 60 |
2 |
| Geoquest Systems B.V. | 775 |
2 |
| Ingios Geotechnics, Inc. | 14 |
2 |
| Korea Institute of Ocean Science & Technology | 422 |
2 |
| Services Petroliers Schlumberger | 5830 |
2 |
| Slim Drilling Servicos de Perfuracao S.A. | 8 |
2 |
| Winfield Solutions, LLC | 419 |
2 |
| Fnv IP B.V. | 316 |
2 |
| Deveron USA LLC | 4 |
2 |
| Climate LLC | 448 |
2 |
| The Coring Company AS | 2 |
2 |
| Baker Hughes Incorporated | 5246 |
1 |
| Halliburton Energy Services, Inc. | 20964 |
1 |
| Robert Bosch GmbH | 42815 |
1 |
| President and Fellows of Harvard College | 6002 |
1 |
| Other owners | 29 |