- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 21/34 - Arrangements of propulsion power-unit exhaust uptakesFunnels peculiar to vessels having exhaust-gas deflecting means
Patent holdings for IPC class B63H 21/34
Total number of patents in this class: 29
10-year publication summary
|
1
|
2
|
1
|
0
|
1
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2
|
4
|
2
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2
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brunswick Corporation | 1494 |
6 |
| Yamaha Motor Co., Ltd. | 2854 |
3 |
| Marathon Petroleum Company LP | 420 |
3 |
| Greener Process Systems Inc. | 8 |
3 |
| Suzuki Motor Corporation | 1367 |
2 |
| Honda Motor Co., Ltd. | 26154 |
1 |
| ZF Friedrichshafen AG | 7270 |
1 |
| Air Products and Chemicals, Inc. | 1468 |
1 |
| FINCANTIERI S.p.A. | 83 |
1 |
| Neander Motors AG | 11 |
1 |
| Rolls-Royce North American Technologies, Inc. | 1131 |
1 |
| Suzuki Kabushiki Kaisha | 15 |
1 |
| ThyssenKrupp AG | 3354 |
1 |
| ThyssenKrupp Marine Systems GmbH | 252 |
1 |
| Kathryn Marie Day | 1 |
1 |
| Yanmar Power Technology Co., Ltd. | 580 |
1 |
| Greener Port Solutions, LLC | 3 |
1 |
| Other owners | 0 |