- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 9/02 - NozzlesNozzle boxesStator bladesGuide conduits
Patent holdings for IPC class F01D 9/02
Total number of patents in this class: 2712
10-year publication summary
|
332
|
337
|
287
|
187
|
188
|
116
|
105
|
81
|
83
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9611 |
386 |
| General Electric Company | 13827 |
203 |
| GE Infrastructure Technology, LLC | 6196 |
203 |
| Pratt & Whitney Canada Corp. | 4970 |
197 |
| Mitsubishi Heavy Industries, Ltd. | 8910 |
139 |
| Mitsubishi Power, Ltd. | 1810 |
106 |
| IHI Corporation | 3469 |
99 |
| Safran Aircraft Engines | 6420 |
94 |
| United Technologies Corporation | 2230 |
93 |
| Siemens AG | 24323 |
91 |
| Siemens Energy, Inc. | 1703 |
87 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
57 |
| SNECMA S.A. | 1148 |
50 |
| Siemens Energy Global GmbH & Co. KG | 3096 |
45 |
| Rolls-Royce PLC | 3165 |
43 |
| Rolls-Royce North American Technologies, Inc. | 1177 |
40 |
| Rolls-Royce Corporation | 1753 |
39 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 797 |
36 |
| BorgWarner Inc. | 2599 |
29 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
28 |
| Other owners | 647 |