- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/10 - Air inlet arrangements for primary air
Patent holdings for IPC class F23R 3/10
Total number of patents in this class: 415
10-year publication summary
|
56
|
35
|
37
|
18
|
14
|
18
|
21
|
16
|
15
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6152 |
68 |
| General Electric Company | 13999 |
45 |
| Mitsubishi Power, Ltd. | 1838 |
42 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
38 |
| Rtx Corporation | 10199 |
34 |
| Pratt & Whitney Canada Corp. | 5584 |
20 |
| Safran Aircraft Engines | 6777 |
15 |
| Collins Engine Nozzles, Inc. | 287 |
15 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
12 |
| SNECMA S.A. | 1145 |
11 |
| Siemens AG | 23913 |
9 |
| Rolls-Royce PLC | 3229 |
9 |
| Kawasaki Heavy Industries, Limited | 1705 |
8 |
| Rolls-Royce Deutschland Ltd & Co KG | 868 |
8 |
| Snecma | 1057 |
7 |
| Siemens Energy, Inc. | 1678 |
6 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
5 |
| IHI Corporation | 3544 |
4 |
| Woodward, Inc. | 678 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3304 |
4 |
| Other owners | 51 |