- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling 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: 338
10-year publication summary
|
38
|
32
|
22
|
14
|
18
|
20
|
15
|
23
|
23
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce PLC | 3221 |
35 |
| GE Infrastructure Technology, LLC | 6171 |
33 |
| Pratt & Whitney Canada Corp. | 5479 |
24 |
| General Electric Company | 13899 |
20 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
19 |
| Hamilton Sundstrand Corporation | 5015 |
15 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
15 |
| Mitsubishi Power, Ltd. | 1833 |
14 |
| Ansaldo Energia Switzerland AG | 270 |
13 |
| Collins Engine Nozzles, Inc. | 287 |
12 |
| Rtx Corporation | 10102 |
11 |
| Siemens AG | 24029 |
10 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
9 |
| Safran Aircraft Engines | 6694 |
9 |
| Woodward, Inc. | 674 |
9 |
| Safran Helicopter Engines | 842 |
7 |
| Turbomeca | 199 |
7 |
| Alstom Technology Ltd | 1045 |
6 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3259 |
5 |
| Kawasaki Heavy Industries, Limited | 1673 |
4 |
| Other owners | 61 |