- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02C - Gas-turbine plants; air intakes for jet-propulsion plants; controlling 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: 472
10-year publication summary
|
44
|
35
|
54
|
51
|
27
|
27
|
29
|
26
|
39
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 5873 |
58 |
| Mitsubishi Power, Ltd. | 1680 |
32 |
| General Electric Company | 18133 |
27 |
| Siemens AG | 24990 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
14 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
14 |
| Hitachi, Ltd. | 16452 |
13 |
| Rtx Corporation | 8674 |
13 |
| 8 Rivers Capital, LLC | 224 |
10 |
| Ansaldo Energia Switzerland AG | 293 |
9 |
| IHI Corporation | 3268 |
9 |
| MTU Aero Engines AG | 622 |
9 |
| Powerphase International, LLC | 39 |
9 |
| Rolls-Royce PLC | 2944 |
8 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
8 |
| Alstom Technology Ltd | 1196 |
7 |
| Rolls-Royce Corporation | 1686 |
7 |
| ExxonMobil Upstream Research Company | 2525 |
6 |
| Safran Helicopter Engines | 676 |
6 |
| Airbus Helicopters | 984 |
5 |
| Other owners | 192 |