- 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: 192
10-year publication summary
|
12
|
17
|
13
|
26
|
16
|
31
|
16
|
12
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FMC Technologies, Inc. | 594 |
13 |
| OneSubsea IP UK Limited | 409 |
12 |
| Subsea 7 Norway AS | 88 |
12 |
| EnPro Subsea Limited | 33 |
9 |
| Equinor Energy AS | 481 |
9 |
| Baker Hughes Energy Technology UK Limited | 203 |
9 |
| Aker Subsea AS | 130 |
7 |
| FMC Kongsberg Subsea AS | 257 |
7 |
| Vetco Gray Scandinavia AS | 173 |
7 |
| Aker Solutions AS | 239 |
6 |
| Petroleo Brasileiro S.A. - Petrobras | 806 |
6 |
| Chevron U.S.A. Inc. | 3902 |
5 |
| FMC Technologies do Brasil Ltda. | 66 |
5 |
| Saipem S.p.A. | 514 |
4 |
| Statoil Petroleum AS | 519 |
4 |
| Vetco Gray Scandinavia AS | 22 |
4 |
| Schlumberger Technology Corporation | 10551 |
3 |
| Landmark Graphics Corporation | 1517 |
3 |
| Acergy France SAS | 126 |
3 |
| Enverus, Inc. | 85 |
3 |
| Other owners | 61 |