- All sections
- B - Performing operations; transporting
- B63G - Offensive or defensive arrangements on vessels; mine-laying; mine-sweeping; submarines; aircraft carriers
- B63G 8/22 - Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks
Patent holdings for IPC class B63G 8/22
Total number of patents in this class: 164
10-year publication summary
|
17
|
16
|
12
|
26
|
23
|
17
|
15
|
15
|
29
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saildrone, Inc. | 13 |
6 |
| Unmanned Innovations, Inc. | 7 |
6 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
5 |
| Subseasail, Inc. | 10 |
5 |
| The Boeing Company | 19843 |
4 |
| ThyssenKrupp AG | 3086 |
4 |
| ThyssenKrupp Marine Systems GmbH | 257 |
4 |
| Equinor Energy AS | 475 |
4 |
| Raytheon Company | 8535 |
3 |
| Thales SA | 2318 |
3 |
| Atlas Elektronik GmbH | 395 |
3 |
| MRV Systems, LLC | 11 |
3 |
| Ocean Aero, Inc. | 9 |
3 |
| Autonomous Robotics Limited | 13 |
3 |
| Gooch's Beach Drone Company | 5 |
3 |
| Blue Ocean Seismic Services Limited | 3 |
3 |
| is Engineering Design LLC | 3 |
3 |
| Composite Energy Technologies, Inc. | 3 |
3 |
| Impossible Metals Inc. | 7 |
3 |
| Lockheed Martin Corporation | 3406 |
2 |
| Other owners | 91 |