- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 19/28 - Other safety devices
Patent holdings for IPC class B63B 19/28
Total number of patents in this class: 9
10-year publication summary
|
1
|
1
|
0
|
4
|
2
|
0
|
0
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guangzhou Shipyard International Company Limited | 186 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2726 |
1 |
| Daewoo Shipbuilding & Marine Engineering Co., Ltd. | 235 |
1 |
| Ferretti S.p.A. | 116 |
1 |
| FINCANTIERI S.p.A. | 63 |
1 |
| Transocean Sedco Forex Ventures Limited | 65 |
1 |
| Zeroes Technology AS | 1 |
1 |
| Vertech Group Pty Ltd | 1 |
1 |
| Other owners | 0 |