- 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 7/224 - Heating fuel before feeding to the burner
Patent holdings for IPC class F02C 7/224
Total number of patents in this class: 560
10-year publication summary
|
41
|
46
|
51
|
37
|
43
|
43
|
43
|
56
|
84
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
86 |
| Rtx Corporation | 8674 |
62 |
| Rolls-Royce PLC | 2944 |
38 |
| Safran Aircraft Engines | 5739 |
38 |
| Pratt & Whitney Canada Corp. | 4215 |
32 |
| GE Infrastructure Technology, LLC | 5873 |
28 |
| Hamilton Sundstrand Corporation | 4525 |
21 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
18 |
| Mitsubishi Power, Ltd. | 1680 |
17 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
13 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
11 |
| Siemens AG | 24990 |
8 |
| United Technologies Corporation | 2328 |
8 |
| Collins Engine Nozzles, Inc. | 264 |
8 |
| Rolls-Royce Corporation | 1686 |
7 |
| Snecma | 1065 |
7 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
7 |
| SAFRAN S.A. | 518 |
6 |
| IHI Corporation | 3268 |
6 |
| Airbus Operations S.A.S. | 2407 |
4 |
| Other owners | 135 |