- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 7/02 - Rotors with blades adjustable in operationControl thereof having adjustment responsive to speed
Patent holdings for IPC class F01D 7/02
Total number of patents in this class: 69
10-year publication summary
|
6
|
2
|
4
|
6
|
3
|
11
|
2
|
4
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6727 |
21 |
| General Electric Company | 13915 |
11 |
| Pratt & Whitney Canada Corp. | 5517 |
5 |
| Hamilton Sundstrand Corporation | 5014 |
5 |
| Rolls-Royce Corporation | 1680 |
4 |
| Rolls-Royce North American Technologies, Inc. | 1130 |
3 |
| Rolls-Royce PLC | 3224 |
2 |
| Rtx Corporation | 10127 |
2 |
| SNECMA S.A. | 1145 |
1 |
| United Technologies Corporation | 2218 |
1 |
| Caterpillar Inc. | 10280 |
1 |
| Amazon Technologies, Inc. | 28193 |
1 |
| Craft Holdings WA Pty Ltd | 1 |
1 |
| Evapco, Inc. | 311 |
1 |
| Hydrospin Monitoring Solutions Ltd | 3 |
1 |
| Martec Pty Ltd. | 5 |
1 |
| Rolls-Royce Deutschland Ltd & Co KG | 863 |
1 |
| Woodward, Inc. | 677 |
1 |
| Joby Aero, Inc. | 376 |
1 |
| Snecma | 1058 |
1 |
| Other owners | 4 |