- 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: 1142
10-year publication summary
|
109
|
145
|
104
|
93
|
55
|
58
|
63
|
58
|
47
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6192 |
188 |
| General Electric Company | 13829 |
126 |
| Siemens AG | 24561 |
113 |
| Rolls-Royce PLC | 3047 |
60 |
| Siemens Energy Global GmbH & Co. KG | 2916 |
55 |
| Ansaldo Energia Switzerland AG | 278 |
45 |
| Mitsubishi Power, Ltd. | 1757 |
40 |
| Rtx Corporation | 9297 |
37 |
| Collins Engine Nozzles, Inc. | 281 |
36 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
32 |
| Siemens Energy, Inc. | 1693 |
26 |
| Solar Turbines Incorporated | 473 |
23 |
| Woodward, Inc. | 641 |
23 |
| Alstom Technology Ltd | 1112 |
21 |
| Safran Aircraft Engines | 6237 |
21 |
| Kawasaki Heavy Industries, Limited | 1616 |
19 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3067 |
18 |
| Pratt & Whitney Canada Corp. | 4602 |
16 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
11 |
| Rolls-Royce Deutschland Ltd & Co KG | 808 |
11 |
| Other owners | 221 |