- 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: 1335
10-year publication summary
|
162
|
150
|
123
|
122
|
72
|
61
|
72
|
66
|
95
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9660 |
285 |
| General Electric Company | 13793 |
147 |
| Pratt & Whitney Canada Corp. | 4990 |
131 |
| Safran Aircraft Engines | 6448 |
100 |
| GE Infrastructure Technology, LLC | 6202 |
74 |
| Rolls-Royce PLC | 3170 |
56 |
| Hamilton Sundstrand Corporation | 4987 |
50 |
| Rolls-Royce North American Technologies, Inc. | 1155 |
28 |
| Mitsubishi Heavy Industries, Ltd. | 8937 |
27 |
| Mitsubishi Power, Ltd. | 1811 |
25 |
| SNECMA S.A. | 1148 |
22 |
| The Boeing Company | 20080 |
17 |
| Honeywell International Inc. | 13541 |
16 |
| Siemens AG | 24300 |
14 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
14 |
| Snecma | 1061 |
13 |
| Rolls-Royce Corporation | 1704 |
12 |
| GE Aviation Systems LLC | 583 |
11 |
| United Technologies Corporation | 2225 |
10 |
| Siemens Energy Global GmbH & Co. KG | 3121 |
10 |
| Other owners | 273 |