- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 7/143 - Cooling of plants of fluids in the plant of working fluid before or between the compressor stages
Patent holdings for IPC class F02C 7/143
Total number of patents in this class: 494
10-year publication summary
|
42
|
55
|
43
|
43
|
25
|
26
|
22
|
33
|
21
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10141 |
58 |
| GE Infrastructure Technology, LLC | 6154 |
39 |
| General Electric Company | 13938 |
30 |
| Pratt & Whitney Canada Corp. | 5523 |
20 |
| Siemens AG | 23983 |
19 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
15 |
| Hitachi, Ltd. | 16183 |
14 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
14 |
| Rolls-Royce North American Technologies, Inc. | 1131 |
13 |
| Mitsubishi Power, Ltd. | 1834 |
13 |
| Nuovo Pignone Tecnologie S.r.l. | 1224 |
11 |
| 8 Rivers Capital, LLC | 232 |
10 |
| IFP Energies Nouvelles | 3110 |
9 |
| Rolls-Royce Corporation | 1680 |
9 |
| Powerphase International, LLC | 42 |
9 |
| Kobe Steel, Ltd. | 900 |
8 |
| Aaf Ltd. | 21 |
6 |
| Hydrostor Inc. | 59 |
6 |
| IHI Corporation | 3534 |
6 |
| Nuovo Pignone SRL | 226 |
6 |
| Other owners | 179 |