- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 73/20 - Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Patent holdings for IPC class B63B 73/20
Total number of patents in this class: 83
10-year publication summary
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0
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0
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1
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4
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6
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10
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10
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11
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13
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16
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hudong Zhonghua Shipbuilding (Group) Co., Ltd | 31 |
7 |
| HD Korea Shipbuilding ＆ Offshore Engineering Co., Ltd. | 114 |
6 |
| Korea Advanced Institute of Science and Technology | 4664 |
4 |
| BAE SYSTEMS plc | 2480 |
3 |
| Harbor Cottage, LLC | 12 |
3 |
| China State Shipbuilding Corporation Limited | 20 |
3 |
| Schlumberger Technology Corporation | 11798 |
2 |
| Schlumberger Canada Limited | 7606 |
2 |
| Schlumberger Technology B.v. | 5298 |
2 |
| Hyundai Heavy Industries Co., Ltd. | 270 |
2 |
| Services Petroliers Schlumberger | 6024 |
2 |
| Eelume AS | 22 |
2 |
| Publichnoe Aktsionernoe Obshchestvo "novatek" | 35 |
2 |
| Ocergy Inc | 12 |
2 |
| Deep R&D Ltd | 37 |
2 |
| HD Hyundai Heavy Industries Co., Ltd. | 94 |
2 |
| Sb-sintec SRL | 2 |
2 |
| Shanghai Jiangnan-changxing Shipbuilding Co., Ltd. | 2 |
2 |
| Hitachi, Ltd. | 16071 |
1 |
| Kawasaki Heavy Industries, Limited | 1671 |
1 |
| Other owners | 31 |