- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02C - Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants
- F02C 7/141 - Cooling of plants of fluids in the plant of working fluid
Patent holdings for IPC class F02C 7/141
Total number of patents in this class: 291
10-year publication summary
|
19
|
28
|
41
|
32
|
35
|
14
|
14
|
24
|
42
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
44 |
| General Electric Company | 18133 |
36 |
| GE Infrastructure Technology, LLC | 5873 |
22 |
| Rolls-Royce PLC | 2944 |
19 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
9 |
| MTU Aero Engines AG | 622 |
8 |
| Pratt & Whitney Canada Corp. | 4215 |
7 |
| Reaction Engines Ltd | 46 |
6 |
| Rolls-Royce Corporation | 1686 |
6 |
| Hamilton Sundstrand Corporation | 4525 |
5 |
| Ansaldo Energia Switzerland AG | 293 |
5 |
| Stellar Energy Americas, Inc. | 8 |
5 |
| Siemens AG | 24990 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
4 |
| ExxonMobil Upstream Research Company | 2525 |
4 |
| Mitsubishi Power, Ltd. | 1680 |
4 |
| SAFRAN S.A. | 518 |
3 |
| The Boeing Company | 19843 |
3 |
| Honeywell International Inc. | 13799 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Other owners | 91 |