- 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: 425
10-year publication summary
|
20
|
39
|
20
|
22
|
23
|
32
|
29
|
32
|
36
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6294 |
151 |
| General Electric Company | 13810 |
54 |
| SNECMA S.A. | 1148 |
25 |
| Pratt & Whitney Canada Corp. | 4793 |
25 |
| GE Infrastructure Technology, LLC | 6233 |
15 |
| Snecma | 1064 |
15 |
| Textron Innovations Inc. | 2321 |
11 |
| Rtx Corporation | 9410 |
11 |
| Rolls-Royce PLC | 3107 |
7 |
| Hamilton Sundstrand Corporation | 4891 |
7 |
| The Boeing Company | 20084 |
6 |
| Rolls-Royce North American Technologies, Inc. | 1169 |
6 |
| GE Avio S.r.l. | 276 |
3 |
| MTU Aero Engines AG | 683 |
3 |
| Ratier-figeac SAS | 187 |
3 |
| Siemens AG | 24453 |
2 |
| GM Global Technology Operations LLC | 15095 |
2 |
| Bell Helicopter Textron Inc. | 1064 |
2 |
| GE Aviation Systems Limited | 267 |
2 |
| Rolls-Royce Corporation | 1739 |
2 |
| Other owners | 73 |