- 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: 239
10-year publication summary
|
20
|
17
|
12
|
13
|
8
|
4
|
9
|
4
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Technologies Corporation | 2247 |
27 |
| Rtx Corporation | 9313 |
27 |
| GE Infrastructure Technology, LLC | 6196 |
17 |
| SNECMA S.A. | 1145 |
16 |
| General Electric Company | 13830 |
13 |
| Pratt & Whitney Canada Corp. | 4629 |
13 |
| Safran Aircraft Engines | 6250 |
13 |
| Rolls-Royce Corporation | 1727 |
6 |
| Solar Turbines Incorporated | 474 |
6 |
| Rolls-Royce PLC | 3072 |
4 |
| Rolls-Royce Deutschland Ltd & Co KG | 810 |
4 |
| Siemens AG | 24547 |
3 |
| Hamilton Sundstrand Corporation | 4834 |
3 |
| Siemens Energy, Inc. | 1691 |
3 |
| MTU Aero Engines AG | 671 |
3 |
| Mitsubishi Power, Ltd. | 1758 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2923 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
2 |
| Ansaldo Energia Switzerland AG | 278 |
2 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
2 |
| Other owners | 69 |