- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 11/04 - Parts or details not provided for in, or of interest apart from, groups for diminishing cavitation or vibration, e.g. balancing
Patent holdings for IPC class F03B 11/04
Total number of patents in this class: 75
10-year publication summary
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1
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3
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2
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5
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6
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7
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6
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7
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5
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4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2756 |
10 |
| GE Renewable Technologies | 104 |
8 |
| Alstom Hydro France | 38 |
6 |
| Alstom Renewable Technologies | 72 |
3 |
| TMV Detections Oy | 3 |
3 |
| Toshiba Corporation | 12317 |
2 |
| Andritz Hydro Canada Inc. | 16 |
2 |
| Andritz Hydro GmbH | 69 |
2 |
| Safran Aircraft Engines | 6265 |
2 |
| Textron Innovations Inc. | 2295 |
2 |
| ResMed Pty Ltd | 2096 |
2 |
| Canadian Powerplus Corporation | 2 |
2 |
| Honeywell International Inc. | 13573 |
1 |
| The Regents of the University of Michigan | 4675 |
1 |
| Aisan Kogyo Kabushiki Kaisha | 737 |
1 |
| Andritz Hydro Ltd. | 8 |
1 |
| Andritz Technology and Asset Management GmbH | 90 |
1 |
| The Anspach Effort, Inc. | 8 |
1 |
| Asociacion de Canalistas Sociedad del Canal del Maipo | 1 |
1 |
| Cummins Inc. | 2565 |
1 |
| Other owners | 23 |