- 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 7/232 - Fuel valves; Draining valves or systems
Patent holdings for IPC class F02C 7/232
Total number of patents in this class: 671
10-year publication summary
|
56
|
76
|
66
|
71
|
40
|
58
|
57
|
53
|
62
|
37
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
72 |
| Safran Aircraft Engines | 5739 |
54 |
| General Electric Company | 18133 |
52 |
| Pratt & Whitney Canada Corp. | 4215 |
45 |
| Rtx Corporation | 8674 |
39 |
| Woodward, Inc. | 602 |
36 |
| GE Infrastructure Technology, LLC | 5873 |
30 |
| Rolls-Royce PLC | 2944 |
27 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
22 |
| Mitsubishi Power, Ltd. | 1680 |
21 |
| Collins Engine Nozzles, Inc. | 264 |
20 |
| Honeywell International Inc. | 13799 |
14 |
| Solar Turbines Incorporated | 452 |
14 |
| Siemens AG | 24990 |
12 |
| IHI Corporation | 3268 |
12 |
| Kawasaki Heavy Industries, Limited | 1524 |
11 |
| Safran Helicopter Engines | 676 |
11 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
11 |
| SNECMA S.A. | 1160 |
10 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
10 |
| Other owners | 148 |