- All sections
- E - Fixed constructions
- E21B - Earth or rock drillingobtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 43/017 - Production satellite stations, i.e. underwater installations comprising a plurality of satellite well heads connected to a central station
Patent holdings for IPC class E21B 43/017
Total number of patents in this class: 202
10-year publication summary
|
17
|
13
|
26
|
16
|
31
|
16
|
13
|
7
|
11
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FMC Technologies, Inc. | 622 |
16 |
| OneSubsea IP UK Limited | 439 |
12 |
| Subsea 7 Norway AS | 94 |
12 |
| Baker Hughes Energy Technology UK Limited | 283 |
10 |
| EnPro Subsea Limited | 31 |
9 |
| Chevron U.S.A. Inc. | 4186 |
8 |
| Petroleo Brasileiro S.A. - Petrobras | 982 |
8 |
| Vetco Gray Scandinavia AS | 162 |
8 |
| Aker Subsea AS | 126 |
7 |
| Equinor Energy AS | 498 |
7 |
| Aker Solutions AS | 174 |
5 |
| FMC Kongsberg Subsea AS | 170 |
5 |
| FMC Technologies do Brasil Ltda. | 69 |
5 |
| Saipem S.p.A. | 530 |
4 |
| Statoil Petroleum AS | 466 |
4 |
| Schlumberger Technology Corporation | 12005 |
3 |
| Acergy France SAS | 138 |
3 |
| Vetco Gray Scandinavia AS | 20 |
3 |
| Enverus, Inc. | 92 |
3 |
| TechnipFMC Norge AS | 130 |
3 |
| Other owners | 67 |