- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 9/18 - Control of working fluid flow by bleeding, by-passing or acting on variable working fluid interconnections between turbines or compressors or their stages
Patent holdings for IPC class F02C 9/18
Total number of patents in this class: 1410
10-year publication summary
|
189
|
159
|
127
|
144
|
76
|
69
|
80
|
70
|
110
|
71
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10240 |
304 |
| General Electric Company | 14021 |
159 |
| Pratt & Whitney Canada Corp. | 5627 |
147 |
| Safran Aircraft Engines | 6811 |
104 |
| GE Infrastructure Technology, LLC | 6147 |
73 |
| Rolls-Royce PLC | 3233 |
58 |
| Hamilton Sundstrand Corporation | 5012 |
50 |
| Rolls-Royce North American Technologies, Inc. | 1132 |
30 |
| Mitsubishi Heavy Industries, Ltd. | 9271 |
29 |
| Mitsubishi Power, Ltd. | 1840 |
25 |
| SNECMA S.A. | 1145 |
22 |
| Honeywell International Inc. | 12761 |
19 |
| The Boeing Company | 20232 |
18 |
| Siemens AG | 23943 |
14 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
14 |
| Rolls-Royce Corporation | 1686 |
13 |
| Snecma | 1057 |
13 |
| GE Aviation Systems LLC | 596 |
12 |
| Siemens Energy Global GmbH & Co. KG | 3529 |
11 |
| Rolls-Royce Deutschland Ltd & Co KG | 869 |
10 |
| Other owners | 285 |