- 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: 545
10-year publication summary
|
35
|
53
|
48
|
27
|
25
|
29
|
25
|
43
|
59
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6233 |
63 |
| Rtx Corporation | 9410 |
55 |
| General Electric Company | 13810 |
41 |
| Mitsubishi Power, Ltd. | 1772 |
31 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
22 |
| Siemens AG | 24453 |
15 |
| Hitachi, Ltd. | 15513 |
13 |
| 8 Rivers Capital, LLC | 235 |
11 |
| MTU Aero Engines AG | 683 |
11 |
| Siemens Energy Global GmbH & Co. KG | 2978 |
11 |
| Pratt & Whitney Canada Corp. | 4793 |
9 |
| Ansaldo Energia Switzerland AG | 275 |
9 |
| IHI Corporation | 3450 |
9 |
| Powerphase International, LLC | 40 |
9 |
| Rolls-Royce PLC | 3107 |
8 |
| Rolls-Royce Corporation | 1739 |
7 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3035 |
7 |
| ExxonMobil Upstream Research Company | 2396 |
6 |
| Safran Helicopter Engines | 763 |
6 |
| Airbus Helicopters | 972 |
5 |
| Other owners | 197 |