- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/50 - Underground or underwater installation; Installation through tubing, conduits or ducts
Patent holdings for IPC class G02B 6/50
Total number of patents in this class: 315
10-year publication summary
|
25
|
37
|
31
|
21
|
27
|
28
|
32
|
38
|
29
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
19 |
| CenturyLink Intellectual Property LLC | 1130 |
17 |
| Corning Research & Development Corporation | 1087 |
17 |
| Schlumberger Technology Corporation | 9690 |
11 |
| NEC Corporation | 32703 |
9 |
| Cciip LLC | 28 |
9 |
| Milliken & Company | 1253 |
7 |
| CommScope Technologies LLC | 4937 |
6 |
| DellCron AB | 11 |
6 |
| Husqvarna AB | 2824 |
6 |
| NEC Platforms, Ltd. | 1106 |
6 |
| Teledyne Instruments, Inc. | 245 |
5 |
| Baker Hughes Incorporated | 5689 |
4 |
| Clearfield, Inc. | 96 |
4 |
| Condux International, Inc. | 30 |
4 |
| Geospace Technologies Corporation | 42 |
4 |
| Jelcer-ip B.V. | 7 |
4 |
| OptaSense Holdings Limited | 190 |
4 |
| The Penn State Research Foundation | 1423 |
4 |
| Traxyl, Inc. | 17 |
4 |
| Other owners | 165 |