- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 1/30 - Non-positive-displacement machines or engines, e.g. steam turbines characterised by having a single rotor operable in either direction of rotation, e.g. by reversing of blades
Patent holdings for IPC class F01D 1/30
Total number of patents in this class: 15
10-year publication summary
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0
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0
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1
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1
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0
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2
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2
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1
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
3 |
| General Electric Company | 18133 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Dresser-Rand Company | 233 |
1 |
| Northeastern University | 1056 |
1 |
| Oceanlinx Ltd. | 6 |
1 |
| Peter Brotherhood Limited | 3 |
1 |
| Universita' degli Studi di Genova | 152 |
1 |
| SIT Technologies SRL | 3 |
1 |
| EZ PEX | 3 |
1 |
| SANDERS, Gerald Jay | 1 |
1 |
| Wave Power Renewables Limited | 1 |
1 |
| Other owners | 0 |