- 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: 840
10-year publication summary
|
84
|
71
|
82
|
53
|
34
|
35
|
55
|
51
|
31
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13776 |
129 |
| Rtx Corporation | 9761 |
75 |
| Siemens AG | 24278 |
67 |
| GE Infrastructure Technology, LLC | 6202 |
49 |
| Rolls-Royce PLC | 3172 |
42 |
| Safran Aircraft Engines | 6474 |
41 |
| Collins Engine Nozzles, Inc. | 287 |
35 |
| Mitsubishi Power, Ltd. | 1814 |
27 |
| Solar Turbines Incorporated | 494 |
26 |
| Siemens Energy Global GmbH & Co. KG | 3166 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 8961 |
22 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
18 |
| Woodward, Inc. | 665 |
16 |
| Doosan Enerbility Co., Ltd. | 251 |
16 |
| Ansaldo Energia Switzerland AG | 271 |
14 |
| Pratt & Whitney Canada Corp. | 5059 |
13 |
| IHI Corporation | 3497 |
11 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
10 |
| Rolls-Royce Deutschland Ltd & Co KG | 833 |
10 |
| Kawasaki Heavy Industries, Limited | 1631 |
9 |
| Other owners | 185 |