- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23D - Burners
- F23D 11/12 - Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour characterised by the shape or arrangement of the outlets from the nozzle
Patent holdings for IPC class F23D 11/12
Total number of patents in this class: 40
10-year publication summary
|
6
|
4
|
1
|
3
|
1
|
0
|
1
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 23983 |
6 |
| Johns Manville | 918 |
6 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
5 |
| Pratt & Whitney Canada Corp. | 5523 |
4 |
| Babington Technology, Inc. | 22 |
2 |
| Rtx Corporation | 10141 |
2 |
| General Electric Company | 13938 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
1 |
| Rolls-Royce PLC | 3222 |
1 |
| Siemens Energy, Inc. | 1683 |
1 |
| Kawasaki Heavy Industries, Limited | 1687 |
1 |
| Ansaldo Energia Switzerland AG | 270 |
1 |
| Hamworthy Combustion Engineering Limited | 16 |
1 |
| Homestead Engineering Inc. | 2 |
1 |
| University of Louisiana at Lafayette | 136 |
1 |
| GE Infrastructure Technology, LLC | 6154 |
1 |
| Wärtsilä Moss AS | 7 |
1 |
| Bosch Termotecnologia S.A. | 24 |
1 |
| Mitsubishi Power, Ltd. | 1834 |
1 |
| Collins Engine Nozzles, Inc. | 287 |
1 |
| Other owners | 1 |