- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 1/38 - Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers
Patent holdings for IPC class B63B 1/38
Total number of patents in this class: 261
10-year publication summary
|
20
|
20
|
20
|
11
|
16
|
9
|
26
|
27
|
28
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8752 |
28 |
| SilverStream Technologies B.V. | 20 |
14 |
| Baden-Württemberg Stiftung gGmbH | 67 |
9 |
| Mærsk A/S | 88 |
9 |
| Dalian University of Technology | 1521 |
8 |
| Juliet Marine Systems, Inc. | 14 |
8 |
| Nippon Yusen Kabushiki Kaisha | 160 |
6 |
| Mitsubishi Shipbuilding Co., Ltd. | 166 |
6 |
| Airglide Ai, Inc. | 11 |
6 |
| Oshima Shipbuilding Co., Ltd. | 19 |
5 |
| National Maritime Research Institute | 15 |
4 |
| Samsung Heavy Industries Co., Ltd. | 32 |
4 |
| K & I Inc. | 8 |
4 |
| CSIC Shanghai Marine Energy Saving Technology Development Co., Ltd. | 11 |
4 |
| Parker Maritime Technologies, LLC | 11 |
4 |
| Alfa Laval Rotterdam B.V. | 5 |
4 |
| Accelleron Switzerland Ltd. | 90 |
4 |
| Archimedes Freight, Inc. | 5 |
4 |
| The Regents of the University of California | 19961 |
3 |
| Hyundai Heavy Industries Co., Ltd. | 274 |
3 |
| Other owners | 124 |