- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/14 - Air inlet arrangements for primary air inducing a vortex by using swirl vanes
Patent holdings for IPC class F23R 3/14
Total number of patents in this class: 830
10-year publication summary
|
88
|
84
|
71
|
82
|
53
|
34
|
34
|
55
|
51
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13859 |
126 |
| Rtx Corporation | 9445 |
75 |
| Siemens AG | 24386 |
69 |
| GE Infrastructure Technology, LLC | 6248 |
49 |
| Rolls-Royce PLC | 3133 |
41 |
| Safran Aircraft Engines | 6306 |
39 |
| Collins Engine Nozzles, Inc. | 284 |
35 |
| Mitsubishi Power, Ltd. | 1783 |
27 |
| Solar Turbines Incorporated | 484 |
25 |
| Siemens Energy Global GmbH & Co. KG | 3020 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
22 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
18 |
| Woodward, Inc. | 648 |
16 |
| Doosan Enerbility Co., Ltd. | 240 |
16 |
| Ansaldo Energia Switzerland AG | 273 |
14 |
| Pratt & Whitney Canada Corp. | 4818 |
11 |
| IHI Corporation | 3451 |
10 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
10 |
| Rolls-Royce Deutschland Ltd & Co KG | 819 |
10 |
| Kawasaki Heavy Industries, Limited | 1655 |
9 |
| Other owners | 183 |