- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/48 - Flame tube interconnectors, e.g. cross-over tubes
Patent holdings for IPC class F23R 3/48
Total number of patents in this class: 40
10-year publication summary
|
7
|
7
|
3
|
6
|
1
|
3
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6188 |
9 |
| Mitsubishi Power, Ltd. | 1823 |
8 |
| Siemens AG | 24159 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9042 |
2 |
| Pratt & Whitney Canada Corp. | 5353 |
2 |
| Siemens Energy, Inc. | 1692 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
2 |
| Rtx Corporation | 9931 |
2 |
| Honda Motor Co., Ltd. | 25890 |
1 |
| Rolls-Royce PLC | 3189 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
1 |
| Nuovo Pignone SRL | 202 |
1 |
| Rolls-Royce Corporation | 1681 |
1 |
| Rolls-Royce High Temperature Composites, Inc. | 135 |
1 |
| Safran Aircraft Engines | 6570 |
1 |
| Safran Helicopter Engines | 819 |
1 |
| Nuovo Pignone Tecnologie S.r.l. | 1168 |
1 |
| Palm et International Inc. | 12 |
1 |
| Other owners | 0 |