- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/52 - Underground or underwater installation; Installation 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: 63
10-year publication summary
3
|
2
|
2
|
7
|
6
|
7
|
9
|
6
|
7
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Condux International, Inc. | 30 |
6 |
Sumitomo Electric Industries, Ltd. | 14131 |
4 |
Fremco A/S | 11 |
4 |
Hifi Engineering Inc. | 125 |
3 |
Ridgemount Technologies Ltd. | 23 |
3 |
Reliance Worldwide Corporation (UK) Limited | 24 |
3 |
British Telecommunications Public Limited Company | 2575 |
2 |
Northrop Grumman Systems Corporation | 2940 |
2 |
Hexatronic Cables & Interconnect Systems AB | 7 |
2 |
Plumettaz Holding SA | 45 |
2 |
Corning Research & Development Corporation | 1087 |
2 |
Kinetic Machine Tool Service & Repair Ltd | 2 |
2 |
Schlumberger Technology Corporation | 9690 |
1 |
Baker Hughes Incorporated | 5689 |
1 |
Halliburton Energy Services, Inc. | 20165 |
1 |
Ericsson | 20417 |
1 |
Corning Incorporated | 9932 |
1 |
Tyco Electronics UK Limited | 489 |
1 |
Tyco Electronics Raychem BVBA | 181 |
1 |
Tyco Electronics (shanghai) Co. Ltd. | 759 |
1 |
Other owners | 20 |