- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/34 - Rotor-blade aggregates of unitary construction
Patent holdings for IPC class F01D 5/34
Total number of patents in this class: 316
10-year publication summary
50
|
25
|
35
|
32
|
24
|
16
|
8
|
12
|
11
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rtx Corporation | 9332 |
64 |
Safran Aircraft Engines | 6270 |
28 |
MTU Aero Engines GmbH | 506 |
26 |
Pratt & Whitney Canada Corp. | 4716 |
22 |
SNECMA S.A. | 1147 |
15 |
Honeywell International Inc. | 13525 |
14 |
Rolls-Royce PLC | 3085 |
12 |
General Electric Company | 13811 |
11 |
MTU Aero Engines AG | 672 |
10 |
Rolls-Royce Corporation | 1729 |
10 |
Snecma | 1064 |
10 |
Rolls-Royce Deutschland Ltd & Co KG | 814 |
9 |
IHI Corporation | 3416 |
6 |
Siemens AG | 24520 |
5 |
Rolls-Royce North American Technologies, Inc. | 1161 |
5 |
Florida Turbine Technologies, Inc. | 128 |
4 |
Exergy S.p.A. | 25 |
3 |
Intex Holdings Pty Ltd | 25 |
3 |
Mitsubishi Heavy Industries, Ltd. | 8694 |
2 |
Hamilton Sundstrand Corporation | 4853 |
2 |
Other owners | 55 |