- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/30 - Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising fuel prevapourising devices
Patent holdings for IPC class F23R 3/30
Total number of patents in this class: 181
10-year publication summary
|
15
|
11
|
11
|
6
|
6
|
8
|
6
|
12
|
14
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9172 |
27 |
| Mitsubishi Power, Ltd. | 1834 |
18 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3277 |
14 |
| GE Infrastructure Technology, LLC | 6154 |
12 |
| Rtx Corporation | 10141 |
11 |
| Rolls-Royce PLC | 3222 |
8 |
| IHI Corporation | 3534 |
8 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
8 |
| General Electric Company | 13938 |
7 |
| Pratt & Whitney Canada Corp. | 5523 |
6 |
| Kawasaki Heavy Industries, Limited | 1687 |
5 |
| Rolls-Royce Corporation | 1680 |
4 |
| Collins Engine Nozzles, Inc. | 287 |
4 |
| United Technologies Corporation | 2218 |
3 |
| Safran Aircraft Engines | 6741 |
3 |
| Air Products and Chemicals, Inc. | 1468 |
2 |
| Ansaldo Energia Switzerland AG | 270 |
2 |
| Ecaps AB | 24 |
2 |
| Electric Jet, LLC | 2 |
2 |
| Safran Helicopter Engines | 848 |
2 |
| Other owners | 33 |