- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 23/22 - Underwater equipments, e.g. for submarine periscope
Patent holdings for IPC class G02B 23/22
Total number of patents in this class: 16
10-year publication summary
|
0
|
0
|
2
|
1
|
0
|
3
|
3
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pentair Water Pool and Spa, Inc. | 457 |
3 |
| Carl Zeiss Jena GmbH | 177 |
2 |
| Woods Hole Oceanographic Institution | 136 |
2 |
| Real Big Waves LLC | 6 |
2 |
| Raytheon Company | 8535 |
1 |
| Carl Zeiss AG | 855 |
1 |
| DCNS | 97 |
1 |
| Elbit Systems of America, LLC | 194 |
1 |
| Optex Systems, Inc. | 8 |
1 |
| BEATTIE, Alex | 12 |
1 |
| Nauticam Holdings Limited | 1 |
1 |
| Other owners | 0 |