- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/22 - Blade-to-blade connections, e.g. by shrouding
Patent holdings for IPC class F01D 5/22
Total number of patents in this class: 932
10-year publication summary
|
85
|
86
|
79
|
51
|
46
|
33
|
33
|
27
|
18
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6206 |
130 |
| Rtx Corporation | 9765 |
94 |
| Safran Aircraft Engines | 6473 |
84 |
| General Electric Company | 13777 |
74 |
| Siemens AG | 24291 |
35 |
| MTU Aero Engines AG | 709 |
29 |
| Mitsubishi Power, Ltd. | 1814 |
24 |
| MTU Aero Engines GmbH | 455 |
23 |
| Rolls-Royce Corporation | 1691 |
23 |
| Siemens Energy, Inc. | 1698 |
21 |
| United Technologies Corporation | 2224 |
20 |
| Pratt & Whitney Canada Corp. | 5077 |
19 |
| Mitsubishi Heavy Industries, Ltd. | 8964 |
18 |
| Rolls-Royce North American Technologies, Inc. | 1143 |
16 |
| Rolls-Royce PLC | 3173 |
14 |
| Snecma | 1061 |
14 |
| SNECMA S.A. | 1148 |
13 |
| Honeywell International Inc. | 13564 |
13 |
| Safran Ceramics | 420 |
12 |
| Nuovo Pignone Tecnologie S.r.l. | 1110 |
12 |
| Other owners | 244 |