- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 25/24 - CasingsCasing parts, e.g. diaphragms, casing fastenings
Patent holdings for IPC class F01D 25/24
Total number of patents in this class: 4647
10-year publication summary
|
659
|
519
|
444
|
323
|
370
|
250
|
206
|
207
|
166
|
153
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9445 |
806 |
| Safran Aircraft Engines | 6306 |
439 |
| General Electric Company | 13859 |
337 |
| Pratt & Whitney Canada Corp. | 4818 |
210 |
| Rolls-Royce Corporation | 1760 |
167 |
| Rolls-Royce PLC | 3133 |
151 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
131 |
| GE Infrastructure Technology, LLC | 6248 |
129 |
| BorgWarner Inc. | 2600 |
120 |
| Siemens AG | 24386 |
113 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
113 |
| United Technologies Corporation | 2241 |
95 |
| IHI Corporation | 3451 |
82 |
| Mitsubishi Power, Ltd. | 1783 |
77 |
| MTU Aero Engines AG | 690 |
65 |
| SNECMA S.A. | 1148 |
63 |
| Siemens Energy Global GmbH & Co. KG | 3020 |
60 |
| Snecma | 1064 |
54 |
| Rohr, Inc. | 752 |
50 |
| JPMorgan Chase Bank, National Association | 8579 |
49 |
| Other owners | 1336 |