- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/14 - Form or construction
Patent holdings for IPC class F01D 5/14
Total number of patents in this class: 4574
10-year publication summary
|
399
|
391
|
347
|
426
|
268
|
220
|
217
|
227
|
200
|
108
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
749 |
| Safran Aircraft Engines | 6694 |
484 |
| General Electric Company | 13899 |
417 |
| GE Infrastructure Technology, LLC | 6171 |
355 |
| Pratt & Whitney Canada Corp. | 5479 |
251 |
| United Technologies Corporation | 2220 |
165 |
| Rolls-Royce PLC | 3221 |
163 |
| Siemens AG | 24029 |
126 |
| MTU Aero Engines AG | 728 |
95 |
| Rolls-Royce Corporation | 1677 |
90 |
| SNECMA S.A. | 1146 |
85 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
74 |
| Snecma | 1058 |
69 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
60 |
| Mitsubishi Power, Ltd. | 1833 |
53 |
| Siemens Energy, Inc. | 1685 |
52 |
| IHI Corporation | 3535 |
49 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
47 |
| Honeywell International Inc. | 12778 |
45 |
| Rolls-Royce Deutschland Ltd & Co KG | 858 |
44 |
| Other owners | 1101 |