- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 43/24 - Arrangements of watertight doors in bulkheads
Patent holdings for IPC class B63B 43/24
Total number of patents in this class: 8
10-year publication summary
|
1
|
2
|
1
|
0
|
0
|
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
|
|---|---|---|
| CENTRO PER GLI STUDI DI TECNICA NAVALE - CETENA S.p.A. | 13 |
2 |
| Ems-tech Inc. | 10 |
1 |
| Navalimpianti S.p.A. | 16 |
1 |
| Wartsila Finland Oy | 742 |
1 |
| Mitsubishi Shipbuilding Co., Ltd. | 165 |
1 |
| Centro per GLI Studi di Tecnica Navale—centena S.p.A. | 1 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3067 |
1 |
| Other owners | 0 |