- 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: 1390
10-year publication summary
|
189
|
159
|
127
|
144
|
76
|
69
|
80
|
70
|
108
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
301 |
| General Electric Company | 13899 |
155 |
| Pratt & Whitney Canada Corp. | 5479 |
144 |
| Safran Aircraft Engines | 6694 |
102 |
| GE Infrastructure Technology, LLC | 6171 |
74 |
| Rolls-Royce PLC | 3221 |
57 |
| Hamilton Sundstrand Corporation | 5015 |
50 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
30 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
28 |
| Mitsubishi Power, Ltd. | 1833 |
25 |
| SNECMA S.A. | 1146 |
22 |
| Honeywell International Inc. | 12778 |
20 |
| The Boeing Company | 20160 |
18 |
| Siemens AG | 24029 |
14 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
14 |
| Rolls-Royce Corporation | 1677 |
13 |
| Snecma | 1058 |
13 |
| GE Aviation Systems LLC | 592 |
12 |
| United Technologies Corporation | 2220 |
10 |
| Rolls-Royce Deutschland Ltd & Co KG | 858 |
10 |
| Other owners | 278 |