- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 7/00 - Rotors with blades adjustable in operation; Control thereof
Patent holdings for IPC class F01D 7/00
Total number of patents in this class: 383
10-year publication summary
|
25
|
24
|
49
|
23
|
26
|
25
|
34
|
28
|
31
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
128 |
| General Electric Company | 18133 |
42 |
| SNECMA S.A. | 1160 |
26 |
| Pratt & Whitney Canada Corp. | 4215 |
22 |
| GE Infrastructure Technology, LLC | 5873 |
15 |
| Snecma | 1065 |
15 |
| Textron Innovations Inc. | 2138 |
11 |
| Rtx Corporation | 8674 |
10 |
| Rolls-Royce PLC | 2944 |
7 |
| Hamilton Sundstrand Corporation | 4525 |
7 |
| The Boeing Company | 19843 |
6 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Airbus Helicopters | 984 |
3 |
| MTU Aero Engines AG | 622 |
3 |
| Ratier-figeac SAS | 173 |
3 |
| Siemens AG | 24990 |
2 |
| GM Global Technology Operations LLC | 13620 |
2 |
| Bell Helicopter Textron Inc. | 1122 |
2 |
| GE Aviation Systems Limited | 257 |
2 |
| Other owners | 69 |