- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/50 - Combustion chambers comprising an annular flame tube within an annular casing
Patent holdings for IPC class F23R 3/50
Total number of patents in this class: 382
10-year publication summary
|
48
|
43
|
32
|
28
|
19
|
13
|
17
|
13
|
12
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10110 |
85 |
| General Electric Company | 13908 |
60 |
| Safran Aircraft Engines | 6716 |
41 |
| Pratt & Whitney Canada Corp. | 5511 |
26 |
| SNECMA S.A. | 1146 |
22 |
| Rolls-Royce PLC | 3224 |
14 |
| GE Infrastructure Technology, LLC | 6163 |
13 |
| Siemens AG | 24011 |
10 |
| Snecma | 1058 |
10 |
| Collins Engine Nozzles, Inc. | 287 |
9 |
| Siemens Energy Global GmbH & Co. KG | 3402 |
7 |
| Honeywell International Inc. | 12773 |
6 |
| Rolls-Royce Corporation | 1680 |
6 |
| Rolls-Royce Deutschland Ltd & Co KG | 861 |
6 |
| Safran Ceramics | 447 |
6 |
| Safran Helicopter Engines | 847 |
6 |
| Kawasaki Heavy Industries, Limited | 1676 |
5 |
| Ansaldo Energia Switzerland AG | 270 |
5 |
| Solar Turbines Incorporated | 514 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
4 |
| Other owners | 36 |