- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 25/16 - Arrangement of bearingsSupporting or mounting bearings in casings
Patent holdings for IPC class F01D 25/16
Total number of patents in this class: 2553
10-year publication summary
|
319
|
292
|
299
|
245
|
223
|
183
|
142
|
102
|
85
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9332 |
489 |
| Safran Aircraft Engines | 6270 |
256 |
| General Electric Company | 13811 |
193 |
| Pratt & Whitney Canada Corp. | 4716 |
193 |
| BorgWarner Inc. | 2603 |
151 |
| Rolls-Royce PLC | 3085 |
57 |
| IHI Corporation | 3416 |
54 |
| SNECMA S.A. | 1147 |
50 |
| United Technologies Corporation | 2247 |
45 |
| Siemens AG | 24520 |
41 |
| Snecma | 1064 |
35 |
| Mitsubishi Heavy Industries, Ltd. | 8694 |
33 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 771 |
29 |
| NTN Corporation | 4983 |
27 |
| JPMorgan Chase Bank, National Association | 8556 |
27 |
| MTU Aero Engines AG | 672 |
26 |
| Rolls-Royce Corporation | 1729 |
25 |
| Honeywell International Inc. | 13525 |
23 |
| Hamilton Sundstrand Corporation | 4853 |
21 |
| Nuovo Pignone Tecnologie S.r.l. | 959 |
21 |
| Other owners | 757 |