- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 9/00 - Stators
Patent holdings for IPC class F01D 9/00
Total number of patents in this class: 233
10-year publication summary
|
17
|
12
|
13
|
8
|
4
|
9
|
5
|
4
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10283 |
29 |
| United Technologies Corporation | 2174 |
27 |
| Pratt & Whitney Canada Corp. | 5656 |
17 |
| SNECMA S.A. | 1145 |
16 |
| GE Infrastructure Technology, LLC | 6144 |
14 |
| General Electric Company | 14047 |
13 |
| Safran Aircraft Engines | 6835 |
11 |
| Solar Turbines Incorporated | 511 |
6 |
| Rolls-Royce Corporation | 1689 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 870 |
4 |
| Siemens AG | 23946 |
3 |
| Rolls-Royce PLC | 3236 |
3 |
| Hamilton Sundstrand Corporation | 5013 |
3 |
| MTU Aero Engines AG | 746 |
3 |
| Siemens Energy Global GmbH & Co. KG | 3556 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9295 |
2 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
2 |
| IHI Corporation | 3561 |
2 |
| Lufthansa Technik AG | 505 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
2 |
| Other owners | 66 |