- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/52 - Underground or underwater installationInstallation through tubing, conduits or ducts using fluid, e.g. air
Patent holdings for IPC class G02B 6/52
Total number of patents in this class: 74
10-year publication summary
|
2
|
2
|
7
|
6
|
7
|
9
|
6
|
9
|
13
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Condux International, Inc. | 35 |
7 |
| Fremco A/S | 12 |
5 |
| Sumitomo Electric Industries, Ltd. | 15414 |
4 |
| Emtelle UK Limited | 74 |
4 |
| Reliance Worldwide Corporation (UK) Limited | 33 |
4 |
| CommScope Technologies LLC | 3473 |
3 |
| Hifi Engineering Inc. | 131 |
3 |
| Plumettaz Holding SA | 46 |
3 |
| Ridgemount Technologies Ltd. | 29 |
3 |
| Northrop Grumman Systems Corporation | 2951 |
2 |
| AFL Telecommunications LLC | 713 |
2 |
| Hexatronic Cables & Interconnect Systems AB | 8 |
2 |
| Sterlite Technologies Limited | 222 |
2 |
| Kinetic Machine Tool Service & Repair Ltd | 2 |
2 |
| Schlumberger Technology Corporation | 10662 |
1 |
| Baker Hughes Incorporated | 5277 |
1 |
| Halliburton Energy Services, Inc. | 20835 |
1 |
| Ericsson | 21674 |
1 |
| Huawei Technologies Co., Ltd. | 111764 |
1 |
| Amazon Technologies, Inc. | 26551 |
1 |
| Other owners | 22 |