- 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: 1354
10-year publication summary
|
162
|
150
|
123
|
122
|
72
|
61
|
72
|
67
|
95
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9811 |
295 |
| General Electric Company | 13815 |
149 |
| Pratt & Whitney Canada Corp. | 5184 |
137 |
| Safran Aircraft Engines | 6503 |
101 |
| GE Infrastructure Technology, LLC | 6212 |
74 |
| Rolls-Royce PLC | 3177 |
56 |
| Hamilton Sundstrand Corporation | 5013 |
50 |
| Rolls-Royce North American Technologies, Inc. | 1143 |
29 |
| Mitsubishi Heavy Industries, Ltd. | 9002 |
28 |
| Mitsubishi Power, Ltd. | 1820 |
25 |
| SNECMA S.A. | 1148 |
22 |
| The Boeing Company | 20113 |
18 |
| Honeywell International Inc. | 13604 |
16 |
| Siemens AG | 24299 |
14 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
14 |
| Snecma | 1059 |
13 |
| Rolls-Royce Corporation | 1690 |
12 |
| GE Aviation Systems LLC | 583 |
11 |
| United Technologies Corporation | 2220 |
10 |
| Rolls-Royce Deutschland Ltd & Co KG | 837 |
10 |
| Other owners | 270 |