- 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 7/228 - Dividing fuel between various burners
Patent holdings for IPC class F02C 7/228
Total number of patents in this class: 290
10-year publication summary
41
|
24
|
38
|
32
|
22
|
14
|
18
|
20
|
13
|
4
|
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 |
32 |
Pratt & Whitney Canada Corp. | 4215 |
22 |
Rolls-Royce PLC | 2944 |
19 |
General Electric Company | 18133 |
16 |
Siemens Energy Global GmbH & Co. KG | 2775 |
16 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
13 |
Ansaldo Energia Switzerland AG | 293 |
13 |
Hamilton Sundstrand Corporation | 4525 |
12 |
Siemens AG | 24990 |
11 |
Rtx Corporation | 8674 |
11 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
9 |
Mitsubishi Power, Ltd. | 1680 |
9 |
Safran Aircraft Engines | 5739 |
8 |
Woodward, Inc. | 602 |
8 |
Alstom Technology Ltd | 1196 |
7 |
Safran Helicopter Engines | 676 |
7 |
Turbomeca | 232 |
7 |
Collins Engine Nozzles, Inc. | 264 |
7 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
5 |
Kawasaki Heavy Industries, Limited | 1524 |
4 |
Other owners | 54 |