- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/12 - Air inlet arrangements for primary air inducing a vortex
Patent holdings for IPC class F23R 3/12
Total number of patents in this class: 228
10-year publication summary
|
23
|
27
|
20
|
12
|
8
|
11
|
11
|
15
|
9
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13811 |
38 |
| Rtx Corporation | 9802 |
24 |
| Ansaldo Energia Switzerland AG | 270 |
14 |
| GE Infrastructure Technology, LLC | 6208 |
13 |
| Mitsubishi Power, Ltd. | 1819 |
13 |
| Pratt & Whitney Canada Corp. | 5167 |
11 |
| Collins Engine Nozzles, Inc. | 287 |
11 |
| Safran Aircraft Engines | 6497 |
8 |
| Siemens AG | 24314 |
7 |
| United Technologies Corporation | 2220 |
5 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
5 |
| 8 Rivers Capital, LLC | 240 |
4 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
4 |
| Turbomeca | 203 |
4 |
| Doosan Enerbility Co., Ltd. | 255 |
4 |
| SNECMA S.A. | 1148 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8999 |
3 |
| Auckland UniServices Limited | 502 |
3 |
| Dyc Turbines, LLC | 4 |
3 |
| Rmv Tech Oy | 4 |
3 |
| Other owners | 48 |