- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 7/02 - Rotors with blades adjustable in operation; Control thereof having adjustment responsive to speed
Patent holdings for IPC class F01D 7/02
Total number of patents in this class: 61
10-year publication summary
|
5
|
6
|
6
|
2
|
4
|
6
|
3
|
10
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
20 |
| General Electric Company | 18133 |
8 |
| Hamilton Sundstrand Corporation | 4525 |
5 |
| Rolls-Royce Corporation | 1686 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
3 |
| SNECMA S.A. | 1160 |
2 |
| Rolls-Royce PLC | 2944 |
2 |
| Rtx Corporation | 8674 |
2 |
| United Technologies Corporation | 2328 |
1 |
| Amazon Technologies, Inc. | 24422 |
1 |
| Atlas Copco Tools AB | 75 |
1 |
| Craft Holdings WA Pty Ltd | 1 |
1 |
| Hydrospin Monitoring Solutions Ltd | 3 |
1 |
| Martec Pty Ltd. | 2 |
1 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
1 |
| Woodward, Inc. | 602 |
1 |
| Snecma | 1065 |
1 |
| Broadstar Wind Systems Group | 5 |
1 |
| Stormrider Holdings Limited | 1 |
1 |
| Other owners | 1 |