- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/00 - Continuous combustion chambers using liquid or gaseous fuel
Patent holdings for IPC class F23R 3/00
Total number of patents in this class: 2100
10-year publication summary
|
269
|
264
|
200
|
186
|
111
|
98
|
91
|
96
|
98
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9825 |
432 |
| General Electric Company | 13809 |
337 |
| GE Infrastructure Technology, LLC | 6214 |
180 |
| Siemens AG | 24250 |
141 |
| Pratt & Whitney Canada Corp. | 5197 |
109 |
| Rolls-Royce PLC | 3174 |
66 |
| Rolls-Royce Corporation | 1683 |
63 |
| Siemens Energy Global GmbH & Co. KG | 3232 |
53 |
| Mitsubishi Power, Ltd. | 1818 |
45 |
| Ansaldo Energia Switzerland AG | 270 |
42 |
| Safran Aircraft Engines | 6509 |
42 |
| Rolls-Royce North American Technologies, Inc. | 1138 |
40 |
| Siemens Energy, Inc. | 1698 |
38 |
| Mitsubishi Heavy Industries, Ltd. | 9004 |
35 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
30 |
| Honeywell International Inc. | 13561 |
23 |
| Rolls-Royce Deutschland Ltd & Co KG | 838 |
20 |
| Collins Engine Nozzles, Inc. | 287 |
18 |
| Alstom Technology Ltd | 1058 |
15 |
| Safran Helicopter Engines | 802 |
14 |
| Other owners | 357 |