- 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 3/13 - Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having variable working fluid interconnections between turbines or compressors or stages of different rotors
Patent holdings for IPC class F02C 3/13
Total number of patents in this class: 131
10-year publication summary
|
21
|
25
|
24
|
15
|
13
|
13
|
7
|
3
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
33 |
| General Electric Company | 18133 |
16 |
| GE Infrastructure Technology, LLC | 5873 |
12 |
| Pratt & Whitney Canada Corp. | 4215 |
6 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
6 |
| SNECMA S.A. | 1160 |
5 |
| The Boeing Company | 19843 |
5 |
| Rolls-Royce Corporation | 1686 |
5 |
| Rolls-Royce PLC | 2944 |
4 |
| Safran Aircraft Engines | 5739 |
4 |
| Florida Turbine Technologies, Inc. | 132 |
3 |
| Schlumberger Technology Corporation | 9690 |
2 |
| United Technologies Corporation | 2328 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| GE Aviation Systems LLC | 569 |
2 |
| GKN Aerospace Sweden AB | 84 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Northrop Grumman Systems Corporation | 2940 |
1 |
| Siemens Energy, Inc. | 1770 |
1 |
| Ansaldo Energia IP UK Limited | 24 |
1 |
| Other owners | 18 |