- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 9/28 - Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
Patent holdings for IPC class F02C 9/28
Total number of patents in this class: 1253
10-year publication summary
|
107
|
116
|
90
|
84
|
80
|
54
|
94
|
81
|
86
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6171 |
122 |
| Pratt & Whitney Canada Corp. | 5472 |
109 |
| General Electric Company | 13888 |
99 |
| Rolls-Royce PLC | 3219 |
84 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
62 |
| Safran Aircraft Engines | 6671 |
54 |
| Mitsubishi Power, Ltd. | 1832 |
52 |
| Rtx Corporation | 10082 |
52 |
| Siemens AG | 24033 |
40 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
40 |
| Hamilton Sundstrand Corporation | 5016 |
32 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
32 |
| Safran Helicopter Engines | 840 |
19 |
| 8 Rivers Capital, LLC | 232 |
18 |
| Rolls-Royce Corporation | 1676 |
18 |
| Rolls-Royce North American Technologies, Inc. | 1127 |
17 |
| SNECMA S.A. | 1146 |
14 |
| Sikorsky Aircraft Corporation | 1069 |
14 |
| Woodward, Inc. | 675 |
14 |
| Alstom Technology Ltd | 1045 |
13 |
| Other owners | 348 |