- 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: 4849
10-year publication summary
|
563
|
472
|
339
|
393
|
259
|
215
|
221
|
180
|
236
|
141
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10082 |
837 |
| Safran Aircraft Engines | 6671 |
476 |
| General Electric Company | 13888 |
354 |
| Pratt & Whitney Canada Corp. | 5472 |
271 |
| Rolls-Royce Corporation | 1676 |
169 |
| Rolls-Royce PLC | 3219 |
153 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
134 |
| GE Infrastructure Technology, LLC | 6171 |
131 |
| BorgWarner Inc. | 2581 |
120 |
| Rolls-Royce North American Technologies, Inc. | 1127 |
114 |
| Siemens AG | 24033 |
111 |
| United Technologies Corporation | 2220 |
95 |
| IHI Corporation | 3532 |
80 |
| Mitsubishi Power, Ltd. | 1832 |
78 |
| MTU Aero Engines AG | 725 |
66 |
| SNECMA S.A. | 1146 |
63 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
62 |
| Snecma | 1058 |
54 |
| Rohr, Inc. | 771 |
50 |
| JPMorgan Chase Bank, National Association | 8949 |
49 |
| Other owners | 1382 |