- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1929
10-year publication summary
|
207
|
324
|
280
|
275
|
211
|
204
|
112
|
93
|
84
|
29
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
387 |
| General Electric Company | 18133 |
277 |
| GE Infrastructure Technology, LLC | 5873 |
166 |
| Siemens AG | 24990 |
155 |
| Pratt & Whitney Canada Corp. | 4215 |
100 |
| Rolls-Royce Corporation | 1686 |
65 |
| Rolls-Royce PLC | 2944 |
58 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
53 |
| Mitsubishi Power, Ltd. | 1680 |
44 |
| Ansaldo Energia Switzerland AG | 293 |
42 |
| Safran Aircraft Engines | 5739 |
42 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
40 |
| Siemens Energy, Inc. | 1770 |
38 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
30 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
24 |
| Honeywell International Inc. | 13799 |
21 |
| Collins Engine Nozzles, Inc. | 264 |
18 |
| Alstom Technology Ltd | 1196 |
16 |
| Safran Helicopter Engines | 676 |
15 |
| Other owners | 313 |