- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23K - Feeding fuel to combustion apparatus
- F23K 5/18 - Cleaning or purging devices, e.g. filters
Patent holdings for IPC class F23K 5/18
Total number of patents in this class: 52
10-year publication summary
|
10
|
4
|
2
|
2
|
4
|
4
|
3
|
3
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6151 |
8 |
| Hamilton Sundstrand Corporation | 5013 |
4 |
| General Electric Company | 14010 |
3 |
| Siemens AG | 23934 |
3 |
| GE Energy Products France SNC | 24 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
2 |
| Pratt & Whitney Canada Corp. | 5594 |
2 |
| Rigdeluge Global Limited | 13 |
2 |
| Solar Turbines Incorporated | 508 |
2 |
| Rig Deluge Global Limited | 4 |
2 |
| Mitsubishi Power, Ltd. | 1838 |
2 |
| Caterpillar Inc. | 10343 |
1 |
| Rolls-Royce PLC | 3234 |
1 |
| Alfa Laval Corporate AB | 1348 |
1 |
| Ansaldo Energia IP UK Limited | 23 |
1 |
| Ansaldo Energia S.p.A. | 114 |
1 |
| Homestead Engineering Inc. | 2 |
1 |
| IHI Corporation | 3552 |
1 |
| Kamterter Products, LLC | 20 |
1 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
1 |
| Other owners | 10 |