- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 23/04 - Davits, i.e. devices having arms for lowering boats by cables or the like with arms pivoting on substantially-horizontal axes, e.g. gravity type
Patent holdings for IPC class B63B 23/04
Total number of patents in this class: 11
10-year publication summary
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0
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0
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1
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2
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1
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1
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0
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2
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The United States of America as represented by the Secretary of the Navy | 2726 |
2 |
| Beaver Technology Services Pty Ltd | 4 |
2 |
| Thistle, Owen James | 1 |
1 |
| ThyssenKrupp AG | 3210 |
1 |
| ThyssenKrupp Marine Systems GmbH | 261 |
1 |
| Livingston, John | 1 |
1 |
| Sealift Systems AS | 2 |
1 |
| Heron Davits AS | 4 |
1 |
| Impossible Metals Inc. | 10 |
1 |
| Other owners | 0 |