- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 3/16 - Component parts of wells
Patent holdings for IPC class E03B 3/16
Total number of patents in this class: 12
10-year publication summary
|
4
|
3
|
2
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wellgauge, Inc. | 3 |
2 |
| Schlumberger Technology Corporation | 11266 |
1 |
| Schlumberger Canada Limited | 7487 |
1 |
| Schlumberger Technology B.v. | 5242 |
1 |
| Dakeez France | 1 |
1 |
| Poly Rig Company, Inc. | 3 |
1 |
| Services Petroliers Schlumberger | 5921 |
1 |
| Tempero 2000 S.L. | 8 |
1 |
| Well Safe, LLC | 2 |
1 |
| Grundfos Management a/s | 174 |
1 |
| Hankyul Technics, Inc. | 3 |
1 |
| Other owners | 0 |