- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/50 - Underground or underwater installationInstallation through tubing, conduits or ducts
Patent holdings for IPC class G02B 6/50
Total number of patents in this class: 361
10-year publication summary
|
37
|
30
|
19
|
26
|
26
|
34
|
40
|
29
|
35
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Research & Development Corporation | 1200 |
21 |
| Halliburton Energy Services, Inc. | 20977 |
18 |
| CenturyLink Intellectual Property LLC | 1251 |
17 |
| Schlumberger Technology Corporation | 10914 |
11 |
| Traxyl, Inc. | 24 |
10 |
| NEC Corporation | 36124 |
9 |
| Cciip LLC | 28 |
9 |
| CommScope Technologies LLC | 3248 |
8 |
| Milliken & Company | 1185 |
7 |
| DellCron AB | 11 |
6 |
| Husqvarna AB | 2930 |
6 |
| NEC Platforms, Ltd. | 1150 |
6 |
| British Telecommunications Public Limited Company | 2646 |
5 |
| Nippon Telegraph and Telephone Corporation | 16975 |
5 |
| AFL Telecommunications LLC | 735 |
5 |
| Channell Commercial Corporation | 94 |
5 |
| Clearfield, Inc. | 107 |
5 |
| Emtelle UK Limited | 74 |
5 |
| PPC Broadband, Inc. | 1080 |
5 |
| Teledyne Instruments, Inc. | 230 |
5 |
| Other owners | 193 |