- 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: 819
10-year publication summary
|
89
|
86
|
74
|
82
|
53
|
35
|
39
|
55
|
50
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13830 |
120 |
| Rtx Corporation | 9313 |
71 |
| Siemens AG | 24547 |
69 |
| GE Infrastructure Technology, LLC | 6196 |
49 |
| Rolls-Royce PLC | 3072 |
41 |
| Safran Aircraft Engines | 6250 |
39 |
| Collins Engine Nozzles, Inc. | 282 |
34 |
| Mitsubishi Power, Ltd. | 1758 |
27 |
| Solar Turbines Incorporated | 474 |
25 |
| Siemens Energy Global GmbH & Co. KG | 2923 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
22 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
18 |
| Woodward, Inc. | 643 |
16 |
| Doosan Enerbility Co., Ltd. | 224 |
16 |
| Ansaldo Energia Switzerland AG | 278 |
14 |
| Pratt & Whitney Canada Corp. | 4629 |
11 |
| Kawasaki Heavy Industries, Limited | 1618 |
10 |
| IHI Corporation | 3413 |
10 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
10 |
| Rolls-Royce Deutschland Ltd & Co KG | 810 |
10 |
| Other owners | 182 |