- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 255
10-year publication summary
|
18
|
20
|
17
|
12
|
13
|
8
|
4
|
9
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Technologies Corporation | 2328 |
27 |
| Rtx Corporation | 8674 |
26 |
| General Electric Company | 18133 |
17 |
| GE Infrastructure Technology, LLC | 5873 |
17 |
| SNECMA S.A. | 1160 |
16 |
| Safran Aircraft Engines | 5739 |
15 |
| Pratt & Whitney Canada Corp. | 4215 |
12 |
| Rolls-Royce Corporation | 1686 |
6 |
| Solar Turbines Incorporated | 452 |
6 |
| Siemens Energy, Inc. | 1770 |
5 |
| Siemens AG | 24990 |
4 |
| Rolls-Royce PLC | 2944 |
4 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| IHI Corporation | 3268 |
3 |
| MTU Aero Engines AG | 622 |
3 |
| Raytheon Technologies Corporation | 332 |
3 |
| Mitsubishi Power, Ltd. | 1680 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Other owners | 76 |