- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 19/18 - Hatch covers slidable
Patent holdings for IPC class B63B 19/18
Total number of patents in this class: 36
10-year publication summary
|
1
|
3
|
2
|
3
|
4
|
3
|
4
|
5
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Transport Machinery Co., Ltd. | 61 |
8 |
| PB Holdco, LLC | 14 |
3 |
| Technip France | 714 |
2 |
| Webasto SE | 1135 |
2 |
| Cargo Care Solutions B.V. | 2 |
2 |
| The Hinckley Company | 2 |
2 |
| James Plastics, LLC | 1 |
1 |
| Lewmar Limited | 37 |
1 |
| Oiles Corporation | 509 |
1 |
| Rondal B.V. | 5 |
1 |
| ThyssenKrupp AG | 3227 |
1 |
| ThyssenKrupp Marine Systems GmbH | 262 |
1 |
| Axel Ziethe | 1 |
1 |
| Par Systems, LLC | 31 |
1 |
| TTS Ships Equipment AB | 6 |
1 |
| Brown Water Plastics, LLC | 1 |
1 |
| Guangzhou Shipyard International Company Limited | 186 |
1 |
| Macgregor (fin) Oy | 1 |
1 |
| PB Holdco, LLC DBA Pursuit Boats | 1 |
1 |
| Transport Machinery Co., Ltd. | 1 |
1 |
| Other owners | 3 |