- All sections
- B - Performing operationstransporting
- B63G - Offensive or defensive arrangements on vesselsmine-layingmine-sweepingsubmarinesaircraft carriers
- B63G 8/22 - Adjustment of buoyancy by water ballastingEmptying equipment for ballast tanks
Patent holdings for IPC class B63G 8/22
Total number of patents in this class: 224
10-year publication summary
|
12
|
26
|
23
|
17
|
15
|
15
|
30
|
26
|
25
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The United States of America as represented by the Secretary of the Navy | 2865 |
8 |
| Maritime Tactical Systems Inc. | 12 |
8 |
| Impossible Metals Inc. | 18 |
7 |
| Subseasail, Inc. | 18 |
7 |
| Saildrone, Inc. | 17 |
6 |
| ThyssenKrupp AG | 3354 |
5 |
| ThyssenKrupp Marine Systems GmbH | 252 |
5 |
| The Boeing Company | 20196 |
4 |
| Raytheon Company | 8435 |
4 |
| BP Exploration Operating Company Limited | 253 |
4 |
| Woods Hole Oceanographic Institution | 149 |
4 |
| Equinor Energy AS | 498 |
4 |
| is Engineering Design LLC | 4 |
4 |
| UAM Tec Pty Ltd | 14 |
4 |
| Composite Energy Technologies, Inc. | 7 |
4 |
| Thales SA | 2393 |
3 |
| Atlas Elektronik GmbH | 386 |
3 |
| MRV Systems, LLC | 11 |
3 |
| Ocean Aero, Inc. | 9 |
3 |
| Saudi Arabian Oil Company | 14329 |
3 |
| Other owners | 131 |