- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 11/10 - Preventing or minimising internal leakage of working fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
Patent holdings for IPC class F01D 11/10
Total number of patents in this class: 102
10-year publication summary
|
6
|
19
|
11
|
16
|
5
|
4
|
6
|
3
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13780 |
15 |
| Rtx Corporation | 9376 |
14 |
| Rolls-Royce North American Technologies, Inc. | 1169 |
6 |
| GE Infrastructure Technology, LLC | 6222 |
6 |
| Rolls-Royce PLC | 3094 |
5 |
| Safran Aircraft Engines | 6276 |
4 |
| Mitsubishi Power, Ltd. | 1762 |
4 |
| Siemens AG | 24484 |
3 |
| Rolls-Royce Corporation | 1736 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2957 |
3 |
| Honeywell International Inc. | 13545 |
2 |
| United Technologies Corporation | 2245 |
2 |
| Pratt & Whitney Canada Corp. | 4745 |
2 |
| Cummins Ltd. | 197 |
2 |
| EagleBurgmann Germany GmbH & Co. KG | 338 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
2 |
| Safran Helicopter Engines | 758 |
2 |
| Turboden SpA | 58 |
2 |
| ABB Turbo Systems AG | 95 |
1 |
| Ansaldo Energia Switzerland AG | 275 |
1 |
| Other owners | 21 |