- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 7/00 - Rotors with blades adjustable in operationControl thereof
Patent holdings for IPC class F01D 7/00
Total number of patents in this class: 477
10-year publication summary
|
49
|
23
|
26
|
25
|
35
|
29
|
33
|
42
|
39
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6727 |
165 |
| General Electric Company | 13915 |
73 |
| Pratt & Whitney Canada Corp. | 5517 |
31 |
| SNECMA S.A. | 1145 |
25 |
| GE Infrastructure Technology, LLC | 6159 |
15 |
| Snecma | 1058 |
15 |
| Rtx Corporation | 10127 |
15 |
| Textron Innovations Inc. | 2534 |
11 |
| Rolls-Royce PLC | 3224 |
7 |
| Hamilton Sundstrand Corporation | 5014 |
7 |
| The Boeing Company | 20186 |
6 |
| Ratier-figeac SAS | 205 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1130 |
5 |
| GE Avio S.r.l. | 336 |
4 |
| MTU Aero Engines AG | 731 |
4 |
| General Electric Company Polska Sp. z o.o. | 85 |
3 |
| Siemens AG | 23996 |
2 |
| Airbus Operations S.A.S. | 2566 |
2 |
| GM Global Technology Operations LLC | 16188 |
2 |
| Bell Helicopter Textron Inc. | 958 |
2 |
| Other owners | 78 |