- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 8/16 - Detecting, e.g. by using light barriers using one transmitter and one receiver using optical fibres
Patent holdings for IPC class G01V 8/16
Total number of patents in this class: 273
10-year publication summary
|
13
|
23
|
19
|
14
|
20
|
16
|
17
|
7
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21338 |
52 |
| Baker Hughes Incorporated | 4934 |
43 |
| NEC Laboratories America, Inc. | 1259 |
12 |
| Auris Health, Inc. | 1382 |
12 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
8 |
| Saudi Arabian Oil Company | 14235 |
8 |
| Schlumberger Canada Limited | 7606 |
7 |
| Schlumberger Technology Corporation | 11818 |
6 |
| Nippon Telegraph and Telephone Corporation | 15924 |
6 |
| Shell USA, Inc. | 1315 |
6 |
| Schlumberger Technology B.v. | 5298 |
5 |
| Schlumberger Holdings Limited | 2699 |
5 |
| Shell Oil Company | 2071 |
5 |
| Prad Research and Development Limited | 2661 |
5 |
| Services Petroliers Schlumberger | 6024 |
5 |
| Baker Hughes, a GE Company, LLC | 2056 |
5 |
| OptaSense Holdings Limited | 183 |
4 |
| NEC Corporation | 37004 |
3 |
| GE Energy Oilfield Technology, Inc. | 19 |
3 |
| KEYENCE Corporation | 519 |
3 |
| Other owners | 70 |