- 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: 2613
10-year publication summary
|
254
|
286
|
234
|
190
|
172
|
132
|
91
|
92
|
88
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9765 |
507 |
| Safran Aircraft Engines | 6473 |
272 |
| Pratt & Whitney Canada Corp. | 5077 |
211 |
| General Electric Company | 13777 |
195 |
| BorgWarner Inc. | 2594 |
154 |
| Rolls-Royce PLC | 3173 |
59 |
| IHI Corporation | 3499 |
54 |
| SNECMA S.A. | 1148 |
50 |
| United Technologies Corporation | 2224 |
44 |
| Siemens AG | 24291 |
40 |
| Snecma | 1061 |
35 |
| Mitsubishi Heavy Industries, Ltd. | 8964 |
33 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 802 |
30 |
| JPMorgan Chase Bank, National Association | 8625 |
27 |
| MTU Aero Engines AG | 709 |
27 |
| NTN Corporation | 4940 |
25 |
| Nuovo Pignone Tecnologie S.r.l. | 1110 |
23 |
| Honeywell International Inc. | 13564 |
22 |
| Hamilton Sundstrand Corporation | 5003 |
22 |
| Mitsubishi Power, Ltd. | 1814 |
21 |
| Other owners | 762 |