- 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: 2711
10-year publication summary
|
332
|
337
|
287
|
187
|
188
|
116
|
105
|
81
|
82
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9445 |
385 |
| GE Infrastructure Technology, LLC | 6248 |
203 |
| General Electric Company | 13859 |
202 |
| Pratt & Whitney Canada Corp. | 4818 |
189 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
139 |
| Mitsubishi Power, Ltd. | 1783 |
106 |
| IHI Corporation | 3451 |
102 |
| United Technologies Corporation | 2241 |
93 |
| Safran Aircraft Engines | 6306 |
93 |
| Siemens AG | 24386 |
91 |
| Siemens Energy, Inc. | 1708 |
87 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
57 |
| SNECMA S.A. | 1148 |
50 |
| Rolls-Royce PLC | 3133 |
44 |
| Siemens Energy Global GmbH & Co. KG | 3020 |
44 |
| Rolls-Royce Corporation | 1760 |
42 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
42 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 781 |
35 |
| BorgWarner Inc. | 2600 |
29 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
28 |
| Other owners | 650 |