- All sections
- B - Performing operationstransporting
- B63J - Auxiliaries on vessels
- B63J 2/10 - Ventilating-shaftsAir-scoops
Patent holdings for IPC class B63J 2/10
Total number of patents in this class: 31
10-year publication summary
|
1
|
3
|
3
|
2
|
1
|
2
|
4
|
1
|
2
|
4
|
| 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 |
3 |
| Daewoo Shipbuilding & Marine Engineering Co., Ltd. | 231 |
2 |
| Nippon Yusen Kabushiki Kaisha | 161 |
2 |
| Transocean Sedco Forex Ventures Limited | 62 |
2 |
| Brunswick Corporation | 1372 |
1 |
| GBA Marine AS | 15 |
1 |
| GVA Consultants AB | 41 |
1 |
| John Gjerde AS | 14 |
1 |
| Korea Maritime University Industry-Academic Cooperation Foundation | 61 |
1 |
| Plastimo | 2 |
1 |
| Propelwind S.A.S. | 5 |
1 |
| Wartsila Finland Oy | 740 |
1 |
| Winteb Beheer B.V. | 2 |
1 |
| Hanwha Land Systems Co., Ltd. | 11 |
1 |
| MEYER WERFT GmbH & Co. KG | 3 |
1 |
| Mitsubishi Shipbuilding Co., Ltd. | 168 |
1 |
| Mitsui E&S Shipbuilding Co., Ltd. | 44 |
1 |
| Maritime Professional Solutions Pty Ltd | 1 |
1 |
| Yanmar Power Technology Co., Ltd. | 580 |
1 |
| Ockerman Automation Consulting, Inc. | 21 |
1 |
| Other owners | 6 |