- 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: 1211
10-year publication summary
|
103
|
106
|
78
|
75
|
75
|
50
|
89
|
78
|
66
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6202 |
122 |
| Pratt & Whitney Canada Corp. | 5059 |
104 |
| General Electric Company | 13776 |
87 |
| Rolls-Royce PLC | 3172 |
80 |
| Mitsubishi Heavy Industries, Ltd. | 8961 |
60 |
| Mitsubishi Power, Ltd. | 1814 |
50 |
| Rtx Corporation | 9761 |
50 |
| Safran Aircraft Engines | 6474 |
48 |
| Siemens AG | 24278 |
41 |
| Siemens Energy Global GmbH & Co. KG | 3166 |
40 |
| Hamilton Sundstrand Corporation | 5001 |
33 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
32 |
| Rolls-Royce Corporation | 1691 |
19 |
| 8 Rivers Capital, LLC | 240 |
18 |
| Safran Helicopter Engines | 801 |
18 |
| Rolls-Royce North American Technologies, Inc. | 1143 |
17 |
| SNECMA S.A. | 1148 |
14 |
| Gas Turbine Efficiency Sweden AB | 25 |
14 |
| Sikorsky Aircraft Corporation | 1086 |
14 |
| Woodward, Inc. | 665 |
14 |
| Other owners | 336 |