- 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: 2565
10-year publication summary
|
306
|
254
|
286
|
234
|
190
|
172
|
132
|
91
|
84
|
55
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9420 |
490 |
| Safran Aircraft Engines | 6302 |
257 |
| Pratt & Whitney Canada Corp. | 4804 |
198 |
| General Electric Company | 13807 |
194 |
| BorgWarner Inc. | 2602 |
151 |
| Rolls-Royce PLC | 3125 |
60 |
| IHI Corporation | 3449 |
54 |
| SNECMA S.A. | 1148 |
50 |
| United Technologies Corporation | 2242 |
44 |
| Siemens AG | 24436 |
41 |
| Snecma | 1064 |
35 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
33 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 775 |
29 |
| NTN Corporation | 4965 |
27 |
| JPMorgan Chase Bank, National Association | 8571 |
27 |
| MTU Aero Engines AG | 688 |
26 |
| Rolls-Royce Corporation | 1756 |
25 |
| Honeywell International Inc. | 13547 |
23 |
| Hamilton Sundstrand Corporation | 4902 |
21 |
| Nuovo Pignone Tecnologie S.r.l. | 991 |
21 |
| Other owners | 759 |