- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/34 - Feeding into different combustion zones
Patent holdings for IPC class F23R 3/34
Total number of patents in this class: 1220
10-year publication summary
|
145
|
104
|
93
|
55
|
58
|
64
|
59
|
53
|
65
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6163 |
192 |
| General Electric Company | 13908 |
137 |
| Siemens AG | 24011 |
107 |
| Rolls-Royce PLC | 3224 |
74 |
| Siemens Energy Global GmbH & Co. KG | 3402 |
64 |
| Ansaldo Energia Switzerland AG | 270 |
45 |
| Mitsubishi Power, Ltd. | 1833 |
45 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
42 |
| Rtx Corporation | 10110 |
40 |
| Collins Engine Nozzles, Inc. | 287 |
38 |
| Siemens Energy, Inc. | 1685 |
27 |
| Solar Turbines Incorporated | 514 |
25 |
| Woodward, Inc. | 674 |
23 |
| Safran Aircraft Engines | 6716 |
21 |
| Alstom Technology Ltd | 1039 |
19 |
| Kawasaki Heavy Industries, Limited | 1676 |
19 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3264 |
18 |
| Pratt & Whitney Canada Corp. | 5511 |
17 |
| Rolls-Royce Deutschland Ltd & Co KG | 861 |
12 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
11 |
| Other owners | 244 |