- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 3/30 - Adding water, steam or other fluids to the combustible ingredients or to the working fluid before discharge from the turbine
Patent holdings for IPC class F02C 3/30
Total number of patents in this class: 570
10-year publication summary
|
53
|
48
|
27
|
25
|
29
|
25
|
44
|
63
|
65
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9811 |
70 |
| GE Infrastructure Technology, LLC | 6212 |
66 |
| General Electric Company | 13815 |
49 |
| Mitsubishi Power, Ltd. | 1820 |
29 |
| Mitsubishi Heavy Industries, Ltd. | 9002 |
22 |
| Siemens AG | 24299 |
14 |
| Hitachi, Ltd. | 15869 |
12 |
| Siemens Energy Global GmbH & Co. KG | 3222 |
12 |
| 8 Rivers Capital, LLC | 239 |
11 |
| MTU Aero Engines AG | 709 |
11 |
| Powerphase International, LLC | 41 |
10 |
| Pratt & Whitney Canada Corp. | 5184 |
9 |
| Ansaldo Energia Switzerland AG | 270 |
9 |
| IHI Corporation | 3505 |
9 |
| Rolls-Royce PLC | 3177 |
8 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3173 |
7 |
| ExxonMobil Upstream Research Company | 2345 |
6 |
| Rolls-Royce Corporation | 1690 |
6 |
| Safran Helicopter Engines | 804 |
6 |
| Airbus Helicopters | 934 |
5 |
| Other owners | 199 |