- 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: 4355
10-year publication summary
|
511
|
398
|
391
|
347
|
426
|
268
|
220
|
214
|
208
|
77
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9290 |
724 |
| Safran Aircraft Engines | 6225 |
446 |
| General Electric Company | 13823 |
354 |
| GE Infrastructure Technology, LLC | 6191 |
354 |
| Pratt & Whitney Canada Corp. | 4533 |
221 |
| United Technologies Corporation | 2247 |
165 |
| Rolls-Royce PLC | 3033 |
162 |
| Siemens AG | 24568 |
131 |
| Rolls-Royce Corporation | 1726 |
93 |
| MTU Aero Engines AG | 670 |
91 |
| SNECMA S.A. | 1145 |
85 |
| Mitsubishi Heavy Industries, Ltd. | 8641 |
76 |
| Snecma | 1065 |
69 |
| Siemens Energy Global GmbH & Co. KG | 2912 |
54 |
| Siemens Energy, Inc. | 1694 |
53 |
| Mitsubishi Power, Ltd. | 1758 |
53 |
| IHI Corporation | 3405 |
52 |
| Rolls-Royce North American Technologies, Inc. | 1159 |
48 |
| Honeywell International Inc. | 13557 |
46 |
| Rolls-Royce Deutschland Ltd & Co KG | 807 |
45 |
| Other owners | 1033 |