- 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 3/04 - Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
Patent holdings for IPC class F02C 3/04
Total number of patents in this class: 1651
10-year publication summary
|
124
|
415
|
467
|
375
|
190
|
162
|
87
|
92
|
59
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
593 |
| General Electric Company | 18133 |
207 |
| GE Infrastructure Technology, LLC | 5873 |
177 |
| Pratt & Whitney Canada Corp. | 4215 |
77 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
44 |
| Rolls-Royce PLC | 2944 |
41 |
| Mitsubishi Power, Ltd. | 1680 |
37 |
| Rolls-Royce Corporation | 1686 |
34 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
33 |
| United Technologies Corporation | 2328 |
28 |
| Safran Aircraft Engines | 5739 |
20 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
19 |
| Hamilton Sundstrand Corporation | 4525 |
19 |
| Ansaldo Energia Switzerland AG | 293 |
14 |
| Jetoptera, Inc. | 71 |
14 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
12 |
| Honeywell International Inc. | 13799 |
11 |
| 8 Rivers Capital, LLC | 224 |
11 |
| Safran Helicopter Engines | 676 |
8 |
| Raytheon Technologies Corporation | 332 |
8 |
| Other owners | 244 |