- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/42 - Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
Patent holdings for IPC class F23R 3/42
Total number of patents in this class: 477
10-year publication summary
|
86
|
45
|
27
|
24
|
11
|
14
|
19
|
23
|
14
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Technologies Corporation | 2217 |
70 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
48 |
| General Electric Company | 13966 |
34 |
| Mitsubishi Power, Ltd. | 1837 |
34 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
26 |
| Siemens Energy, Inc. | 1681 |
24 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3282 |
23 |
| GE Infrastructure Technology, LLC | 6153 |
20 |
| Rtx Corporation | 10165 |
19 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 142 |
17 |
| Pratt & Whitney Canada Corp. | 5528 |
15 |
| Ansaldo Energia Switzerland AG | 270 |
13 |
| SNECMA S.A. | 1145 |
10 |
| Siemens AG | 23972 |
9 |
| IHI Corporation | 3539 |
9 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
6 |
| Rolls-Royce PLC | 3224 |
5 |
| Safran Aircraft Engines | 6750 |
5 |
| Solar Turbines Incorporated | 509 |
5 |
| Siemens Energy Global GmbH & Co. KG | 3461 |
4 |
| Other owners | 81 |